{"id":4266,"date":"2025-03-21T15:36:36","date_gmt":"2025-03-21T08:36:36","guid":{"rendered":"https:\/\/thecatalyst.edu.vn\/blogs\/?p=4266"},"modified":"2025-06-23T15:49:59","modified_gmt":"2025-06-23T08:49:59","slug":"thi-qua-khu-hoan-thanh-tiep-dien","status":"publish","type":"post","link":"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien","title":{"rendered":"Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n: C\u00f4ng th\u1ee9c, c\u00e1ch d\u00f9ng v\u00e0 b\u00e0i t\u1eadp"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >N\u1ed9i dung ch&iacute;nh<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #28282d;color:#28282d\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #28282d;color:#28282d\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#I_Thi_qua_khu_hoan_thanh_tiep_dien_la_gi\" title=\"I. Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n l\u00e0 g\u00ec?\">I. Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#II_Cong_thuc_thi_Qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous_tense\" title=\"II. C\u00f4ng th\u1ee9c th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)\">II. C\u00f4ng th\u1ee9c th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#1_Cau_khang_dinh\" title=\"1. C\u00e2u kh\u1eb3ng \u0111\u1ecbnh\">1. C\u00e2u kh\u1eb3ng \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#2_Cau_phu_dinh\" title=\"2. C\u00e2u ph\u1ee7 \u0111\u1ecbnh\">2. C\u00e2u ph\u1ee7 \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#3_Cau_nghi_van\" title=\"3. C\u00e2u nghi v\u1ea5n\">3. C\u00e2u nghi v\u1ea5n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#III_Huong_dan_chia_dong_tu_o_Past_perfect_continuous_tense\" title=\"III. H\u01b0\u1edbng d\u1eabn chia \u0111\u1ed9ng t\u1eeb \u1edf Past perfect continuous tense\">III. H\u01b0\u1edbng d\u1eabn chia \u0111\u1ed9ng t\u1eeb \u1edf Past perfect continuous tense<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#IV_Cach_dung_thi_qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous\" title=\"IV. C\u00e1ch d\u00f9ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)\">IV. C\u00e1ch d\u00f9ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#V_Dau_hieu_nhan_biet_thi_qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous_tense\" title=\"V. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)\">V. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#VI_Phan_biet_Past_perfect_and_Past_perfect_continuous\" title=\"VI. Ph\u00e2n bi\u1ec7t Past perfect and Past perfect continuous\">VI. Ph\u00e2n bi\u1ec7t Past perfect and Past perfect continuous<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#1_Cau_truc_cau\" title=\"1. C\u1ea5u tr\u00fac c\u00e2u\">1. C\u1ea5u tr\u00fac c\u00e2u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#2_Cach_dung\" title=\"2. C\u00e1ch d\u00f9ng\u00a0\">2. C\u00e1ch d\u00f9ng\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#3_Dau_hieu_nhan_biet\" title=\"3. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft\">3. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#VII_Bai_tap_thi_qua_khu_hoan_thanh_tiep_dien_Dap_an_chi_tiet\" title=\"VII. B\u00e0i t\u1eadp th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (\u0110\u00e1p \u00e1n chi ti\u1ebft)\">VII. B\u00e0i t\u1eadp th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (\u0110\u00e1p \u00e1n chi ti\u1ebft)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#1_Bai_1_Dien_dang_dung_cua_dong_tu_trong_ngoac_de_hoan_thanh_cau\" title=\"1. B\u00e0i 1: \u0110i\u1ec1n d\u1ea1ng \u0111\u00fang c\u1ee7a \u0111\u1ed9ng t\u1eeb trong ngo\u1eb7c \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e2u.\">1. B\u00e0i 1: \u0110i\u1ec1n d\u1ea1ng \u0111\u00fang c\u1ee7a \u0111\u1ed9ng t\u1eeb trong ngo\u1eb7c \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e2u.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#2_Bai_2_Chon_dap_an_dung\" title=\"2. B\u00e0i 2: Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang\">2. B\u00e0i 2: Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#3_Bai_3_Su_dung_tu_goi_y_de_viet_cau_hoan_chinh_o_thi_Qua_khu_hoan_thanh_tiep_dien\" title=\"3. B\u00e0i 3: S\u1eed d\u1ee5ng t\u1eeb g\u1ee3i \u00fd \u0111\u1ec3 vi\u1ebft c\u00e2u ho\u00e0n ch\u1ec9nh \u1edf th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n.\">3. B\u00e0i 3: S\u1eed d\u1ee5ng t\u1eeb g\u1ee3i \u00fd \u0111\u1ec3 vi\u1ebft c\u00e2u ho\u00e0n ch\u1ec9nh \u1edf th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh-tiep-dien\/#4_Bai_4_Xac_dinh_loi_sai_trong_moi_cau_duoi_day_sau_do_sua_lai_cau_dung\" title=\"4. B\u00e0i 4: X\u00e1c \u0111\u1ecbnh l\u1ed7i sai trong m\u1ed7i c\u00e2u d\u01b0\u1edbi \u0111\u00e2y, sau \u0111\u00f3 s\u1eeda l\u1ea1i c\u00e2u \u0111\u00fang.\">4. B\u00e0i 4: X\u00e1c \u0111\u1ecbnh l\u1ed7i sai trong m\u1ed7i c\u00e2u d\u01b0\u1edbi \u0111\u00e2y, sau \u0111\u00f3 s\u1eeda l\u1ea1i c\u00e2u \u0111\u00fang.<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (<\/span><span style=\"font-weight: 400;\">Past Perfect Continuous)<\/span><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t th\u00ec ph\u1ee9c t\u1ea1p, d\u1ec5 nh\u1ea7m l\u1eabn, v\u00e0 th\u01b0\u1eddng g\u00e2y kh\u00f3 kh\u0103n cho ng\u01b0\u1eddi h\u1ecdc. Trong b\u00e0i vi\u1ebft n\u00e0y, <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/\" target=\"_blank\" rel=\"noopener\"><b>The Catalyst for English<\/b><\/a><span style=\"font-weight: 400;\"> (TCE) s\u1ebd cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u1ea5u tr\u00fac, c\u00e1ch d\u00f9ng c\u0169ng nh\u01b0 c\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 \u0111\u1ec3 b\u1ea1n n\u1eafm b\u1eaft v\u00e0 s\u1eed d\u1ee5ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"I_Thi_qua_khu_hoan_thanh_tiep_dien_la_gi\"><\/span><b>I. Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4271\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4271\" class=\"size-full wp-image-4271\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/thi-qua-khu-hoan-thanh-tiep-dien-la-gi.jpg\" alt=\"Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n l\u00e0 g\u00ec?\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/thi-qua-khu-hoan-thanh-tiep-dien-la-gi.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/thi-qua-khu-hoan-thanh-tiep-dien-la-gi-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/thi-qua-khu-hoan-thanh-tiep-dien-la-gi-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/thi-qua-khu-hoan-thanh-tiep-dien-la-gi-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4271\" class=\"wp-caption-text\">Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n l\u00e0 g\u00ec?<\/p><\/div>\n<p style=\"text-align: justify;\"><b>Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)<\/b><span style=\"font-weight: 400;\"> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng ho\u1eb7c s\u1ef1 vi\u1ec7c \u0111\u00e3 di\u1ec5n ra li\u00ean t\u1ee5c trong qu\u00e1 kh\u1ee9 v\u00e0 ch\u1ea5m d\u1ee9t tr\u01b0\u1edbc khi m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c c\u0169ng x\u1ea3y ra trong qu\u00e1 kh\u1ee9.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>V\u00ed d\u1ee5:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By the time the guests arrived, she had been preparing the meal for nearly three hours. &#8211; Khi c\u00e1c v\u1ecb kh\u00e1ch \u0111\u1ebfn, c\u00f4 \u1ea5y \u0111\u00e3 n\u1ea5u \u0103n li\u00ean t\u1ee5c trong g\u1ea7n ba ti\u1ebfng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0nh \u0111\u1ed9ng n\u1ea5u \u0103n di\u1ec5n ra li\u00ean t\u1ee5c trong ba ti\u1ebfng \u0111\u1ed3ng h\u1ed3, tr\u01b0\u1edbc khi m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c trong qu\u00e1 kh\u1ee9\u2013nh\u1eefng v\u1ecb kh\u00e1ch \u0111\u1ebfn\u2013x\u1ea3y ra.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They had been searching for the missing dog all afternoon before they finally found it near the river. &#8211; H\u1ecd \u0111\u00e3 t\u00ecm ki\u1ebfm con ch\u00f3 b\u1ecb l\u1ea1c su\u1ed1t c\u1ea3 bu\u1ed5i chi\u1ec1u tr\u01b0\u1edbc khi h\u1ecd t\u00ecm th\u1ea5y n\u00f3 g\u1ea7n con s\u00f4ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0nh \u0111\u1ed9ng t\u00ecm ki\u1ebfm con ch\u00f3 b\u1ecb l\u1ea1c di\u1ec5n ra li\u00ean t\u1ee5c trong su\u1ed1t c\u1ea3 bu\u1ed5i chi\u1ec1u, k\u00e9o d\u00e0i m\u1ed9t kho\u1ea3ng th\u1eddi gian trong qu\u00e1 kh\u1ee9, tr\u01b0\u1edbc khi m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c trong qu\u00e1 kh\u1ee9 \u2013 h\u1ecd t\u00ecm th\u1ea5y con ch\u00f3 \u2013 x\u1ea3y ra.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"II_Cong_thuc_thi_Qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous_tense\"><\/span><b>II. C\u00f4ng th\u1ee9c th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4268\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4268\" class=\"size-full wp-image-4268\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cau-truc-thi-qua-khu-hoan-thanh-tiep-dien.jpg\" alt=\"C\u00f4ng th\u1ee9c th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cau-truc-thi-qua-khu-hoan-thanh-tiep-dien.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cau-truc-thi-qua-khu-hoan-thanh-tiep-dien-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cau-truc-thi-qua-khu-hoan-thanh-tiep-dien-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cau-truc-thi-qua-khu-hoan-thanh-tiep-dien-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4268\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n<\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Vi\u1ec7c n\u1eafm v\u1eefng c\u00f4ng th\u1ee9c qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense) l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u00fang th\u00ec n\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 chi ti\u1ebft c\u00f4ng th\u1ee9c c\u1ee7a c\u00e1c d\u1ea1ng c\u00e2u:<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_Cau_khang_dinh\"><\/span><b>1. C\u00e2u kh\u1eb3ng \u0111\u1ecbnh<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: center;\"><b>S + had + been + V-ing<\/b><\/p>\n<p style=\"text-align: justify;\"><strong>V\u00ed d\u1ee5:\u00a0<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">He had been studying for the entrance exam for months before he finally took it. &#8211; Anh \u1ea5y \u0111\u00e3 h\u1ecdc li\u00ean t\u1ee5c cho k\u1ef3 thi \u0111\u1ea7u v\u00e0o su\u1ed1t nhi\u1ec1u th\u00e1ng tr\u01b0\u1edbc khi cu\u1ed1i c\u00f9ng \u0111i thi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The farmers had been working tirelessly in the fields before the storm hit unexpectedly. &#8211; Nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n \u0111\u00e3 l\u00e0m vi\u1ec7c kh\u00f4ng ng\u1eebng ngh\u1ec9 tr\u00ean c\u00e1nh \u0111\u1ed3ng tr\u01b0\u1edbc khi c\u01a1n b\u00e3o b\u1ea5t ng\u1edd \u1eadp \u0111\u1ebfn.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Cau_phu_dinh\"><\/span><b>2. C\u00e2u ph\u1ee7 \u0111\u1ecbnh<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: center;\"><b>S + had + not + been + V-ing<\/b><\/p>\n<p style=\"text-align: justify;\"><strong>V\u00ed d\u1ee5:\u00a0<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">She hadn\u2019t been practicing the piano enough, so her performance was far from perfect. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 kh\u00f4ng luy\u1ec7n \u0111\u00e0n \u0111\u1ee7 nhi\u1ec1u, v\u00ec v\u1eady m\u00e0n tr\u00ecnh di\u1ec5n c\u1ee7a c\u00f4 \u1ea5y c\u00f2n l\u00e2u m\u1edbi ho\u00e0n h\u1ea3o.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">We hadn\u2019t been preparing for the presentation properly, which led to several mistakes. &#8211; Ch\u00fang t\u00f4i \u0111\u00e3 kh\u00f4ng chu\u1ea9n b\u1ecb b\u00e0i thuy\u1ebft tr\u00ecnh m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 l\u1ed7i sai.<\/span><i><span style=\"font-weight: 400;\">\u00a0<\/span><\/i><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Cau_nghi_van\"><\/span><b>3. C\u00e2u nghi v\u1ea5n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><b>Had + S + been + V-ing?<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u21d2 Yes, S + had.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u21d2 No, S + hadn\u2019t.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>V\u00ed d\u1ee5:\u00a0<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Had they been living in the same neighborhood before they moved abroad? &#8211; H\u1ecd \u0111\u00e3 s\u1ed1ng c\u00f9ng khu ph\u1ed1 tr\u01b0\u1edbc khi chuy\u1ec3n ra n\u01b0\u1edbc ngo\u00e0i ph\u1ea3i kh\u00f4ng?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Had she been working on the project for long before you joined the team? &#8211; C\u00f4 \u1ea5y \u0111\u00e3 l\u00e0m vi\u1ec7c v\u1edbi d\u1ef1 \u00e1n n\u00e0y l\u00e2u ch\u01b0a tr\u01b0\u1edbc khi b\u1ea1n tham gia v\u00e0o \u0111\u1ed9i?<\/span><\/li>\n<\/ul>\n<p><span class=\"ng-star-inserted\">\u0110\u1ec3 \u0111\u1eb7t th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n v\u00e0o \u0111\u00fang ng\u1eef c\u1ea3nh, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 c\u1ee7a n\u00f3 v\u1edbi c\u00e1c th\u00ec qu\u00e1 kh\u1ee9 kh\u00e1c. Th\u00ec n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u1ea3i th\u00edch cho m\u1ed9t s\u1ef1 vi\u1ec7c x\u1ea3y ra \u1edf <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-don\" target=\"_blank\" rel=\"noopener\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Th\u00ec qu\u00e1 kh\u1ee9 \u0111\u01a1n<\/span><\/strong><\/a><span class=\"ng-star-inserted\">. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c ph\u00e2n bi\u1ec7t th\u00ec n\u00e0y v\u1edbi <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-hien-tai-hoan-thanh-present-perfect-tense\" target=\"_blank\" rel=\"noopener\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Th\u00ec hi\u1ec7n t\u1ea1i ho\u00e0n th\u00e0nh <\/span><\/strong><\/a><span class=\"ng-star-inserted\">\u2013 m\u1ed9t th\u00ec c\u0169ng di\u1ec5n t\u1ea3 h\u00e0nh \u0111\u1ed9ng k\u00e9o d\u00e0i nh\u01b0ng c\u00f3 li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u1ea1i \u2013 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn v\u00e0 s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean h\u01a1n.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"III_Huong_dan_chia_dong_tu_o_Past_perfect_continuous_tense\"><\/span><b>III. H\u01b0\u1edbng d\u1eabn chia \u0111\u1ed9ng t\u1eeb \u1edf Past perfect continuous tense<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4269\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4269\" class=\"size-full wp-image-4269\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/chia-dong-tu-thi-qua-khu-hoan-thanh-tiep-dien.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn chia \u0111\u1ed9ng t\u1eeb \u1edf Past perfect continuous tense\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/chia-dong-tu-thi-qua-khu-hoan-thanh-tiep-dien.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/chia-dong-tu-thi-qua-khu-hoan-thanh-tiep-dien-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/chia-dong-tu-thi-qua-khu-hoan-thanh-tiep-dien-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/chia-dong-tu-thi-qua-khu-hoan-thanh-tiep-dien-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4269\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn chia \u0111\u1ed9ng t\u1eeb \u1edf Past perfect continuous tense<\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong c\u00f4ng th\u1ee9c c\u1ee7a th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n, c\u00f3 hai th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 \u0111\u1ed9ng t\u1eeb &#8220;to be&#8221; v\u00e0 \u0111\u1ed9ng t\u1eeb ch\u00ednh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch chia hai lo\u1ea1i \u0111\u1ed9ng t\u1eeb n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c:<\/span><\/p>\n<p style=\"text-align: justify;\"><b>\u0110\u1ed9ng t\u1eeb \u201cto be\u201d<\/b><span style=\"font-weight: 400;\">: \u0110\u01b0\u1ee3c chia \u1edf d\u1ea1ng qu\u00e1 kh\u1ee9 ph\u00e2n t\u1eeb &#8220;been&#8221;, v\u00e0 lu\u00f4n \u0111i k\u00e8m v\u1edbi tr\u1ee3 \u0111\u1ed9ng t\u1eeb &#8220;had&#8221;.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>\u0110\u1ed9ng t\u1eeb ch\u00ednh<\/b><span style=\"font-weight: 400;\">: \u0110\u01b0\u1ee3c chia \u1edf d\u1ea1ng V-ing (th\u00eam -ing v\u00e0o cu\u1ed1i \u0111\u1ed9ng t\u1eeb).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 quy t\u1eafc chung khi th\u00eam -ing v\u00e0o \u0111\u1ed9ng t\u1eeb ch\u00ednh:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>V\u1edbi \u0111\u1ed9ng t\u1eeb k\u1ebft th\u00fac b\u1eb1ng -e, b\u1ecf -e v\u00e0 th\u00eam -ing v\u00e0o sau.<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: love \u2192 loving, dance \u2192 dancing, drive \u2192 driving<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>V\u1edbi \u0111\u1ed9ng t\u1eeb k\u1ebft th\u00fac b\u1eb1ng -ee, gi\u1eef nguy\u00ean \u0111u\u00f4i -ee v\u00e0 th\u00eam -ing v\u00e0o sau.<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: agree \u2192 agreeing, see \u2192 seeing, flee \u2192 fleeing<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>\u0110\u1ed9ng t\u1eeb c\u00f3 m\u1ed9t \u00e2m ti\u1ebft, k\u1ebft th\u00fac b\u1eb1ng m\u1ed9t nguy\u00ean \u00e2m + m\u1ed9t ph\u1ee5 \u00e2m: G\u1ea5p \u0111\u00f4i ph\u1ee5 \u00e2m cu\u1ed1i v\u00e0 th\u00eam -ing (ngo\u1ea1i tr\u1eeb c\u00e1c \u0111\u1ed9ng t\u1eeb k\u1ebft th\u00fac b\u1eb1ng -w, -x, -y):<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: hop \u2192 hopping, skip \u2192 skipping, chat \u2192 chatting<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: play \u2192 playing, enjoy \u2192 enjoying<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li aria-level=\"1\"><b>\u0110\u1ed9ng t\u1eeb c\u00f3 t\u1eeb hai \u00e2m ti\u1ebft tr\u1edf l\u00ean, tr\u1ecdng \u00e2m r\u01a1i v\u00e0o \u00e2m ti\u1ebft cu\u1ed1i, k\u1ebft th\u00fac b\u1eb1ng m\u1ed9t nguy\u00ean \u00e2m + m\u1ed9t ph\u1ee5 \u00e2m: G\u1ea5p \u0111\u00f4i ph\u1ee5 \u00e2m cu\u1ed1i v\u00e0 th\u00eam -ing:<\/b><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: forget \u2192 forgetting, commit \u2192 committing<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: open \u2192 opening (v\u00ec tr\u1ecdng \u00e2m kh\u00f4ng r\u01a1i v\u00e0o \u00e2m ti\u1ebft cu\u1ed1i)<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u00f2n l\u1ea1i: Gi\u1eef nguy\u00ean \u0111\u1ed9ng t\u1eeb v\u00e0 th\u00eam -ing:<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: talk \u2192 talking, study \u2192 studying, open \u2192 opening<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"IV_Cach_dung_thi_qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous\"><\/span><b>IV. C\u00e1ch d\u00f9ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4272\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4272\" class=\"size-full wp-image-4272\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cach-dung-thi-qua-khu-hoan-thanh-tiep-dien.jpg\" alt=\"C\u00e1ch d\u00f9ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cach-dung-thi-qua-khu-hoan-thanh-tiep-dien.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cach-dung-thi-qua-khu-hoan-thanh-tiep-dien-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cach-dung-thi-qua-khu-hoan-thanh-tiep-dien-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/cach-dung-thi-qua-khu-hoan-thanh-tiep-dien-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4272\" class=\"wp-caption-text\">C\u00e1ch d\u00f9ng th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n<\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u1eef c\u1ea3nh kh\u00e1c nhau \u0111\u1ec3 di\u1ec5n t\u1ea3 c\u00e1c h\u00e0nh \u0111\u1ed9ng x\u1ea3y ra trong qu\u00e1 kh\u1ee9. Sau \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch d\u00f9ng c\u1ee7a th\u00ec n\u00e0y:<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n d\u00f9ng \u0111\u1ec3 di\u1ec5n t\u1ea3 h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u trong qu\u00e1 kh\u1ee9, di\u1ec5n ra li\u00ean t\u1ee5c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian v\u00e0 k\u1ebft th\u00fac t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: She had been practicing the piano for three hours before the teacher arrived. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 luy\u1ec7n \u0111\u00e0n piano su\u1ed1t ba ti\u1ebfng tr\u01b0\u1edbc khi gi\u00e1o vi\u00ean \u0111\u1ebfn.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>D\u00f9ng \u0111\u1ec3 n\u00f3i v\u1ec1 m\u1ed9t h\u00e0nh \u0111\u1ed9ng di\u1ec5n ra li\u00ean t\u1ee5c trong qu\u00e1 kh\u1ee9 cho \u0111\u1ebfn khi b\u1ecb gi\u00e1n \u0111o\u1ea1n b\u1edfi m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c.<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: They had been working on the project for weeks when the deadline was suddenly extended. &#8211; H\u1ecd \u0111\u00e3 l\u00e0m vi\u1ec7c cho d\u1ef1 \u00e1n n\u00e0y trong nhi\u1ec1u tu\u1ea7n tr\u01b0\u1edbc khi h\u1ea1n ch\u00f3t b\u1ea5t ng\u1edd \u0111\u01b0\u1ee3c gia h\u1ea1n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>Di\u1ec5n \u0111\u1ea1t m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft ho\u1eb7c k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: The road was muddy because it had been raining heavily all night. &#8211; Con \u0111\u01b0\u1eddng l\u1ea7y l\u1ed9i v\u00ec tr\u1eddi \u0111\u00e3 m\u01b0a r\u1ea5t to su\u1ed1t \u0111\u00eam qua.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>Mi\u00eau t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng x\u1ea3y ra li\u00ean t\u1ee5c tr\u01b0\u1edbc m\u1ed9t m\u1ed1c th\u1eddi gian c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: By 10 PM, he had been studying for six hours straight. &#8211; \u0110\u1ebfn 10 gi\u1edd t\u1ed1i, anh \u1ea5y \u0111\u00e3 h\u1ecdc li\u00ean t\u1ee5c su\u1ed1t s\u00e1u ti\u1ebfng \u0111\u1ed3ng h\u1ed3.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>D\u00f9ng trong c\u00e2u \u0111i\u1ec1u ki\u1ec7n lo\u1ea1i III \u0111\u1ec3 n\u00f3i v\u1ec1 m\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng c\u00f3 th\u1eadt trong qu\u00e1 kh\u1ee9 v\u00e0 gi\u1ea3 \u0111\u1ecbnh k\u1ebft qu\u1ea3 n\u1ebfu n\u00f3 x\u1ea3y ra.<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: If she had been saving money more consistently, she could have afforded the trip. &#8211; N\u1ebfu c\u00f4 \u1ea5y ti\u1ebft ki\u1ec7m ti\u1ec1n \u0111\u1ec1u \u0111\u1eb7n h\u01a1n, c\u00f4 \u1ea5y \u0111\u00e3 c\u00f3 th\u1ec3 \u0111\u1ee7 ti\u1ec1n \u0111i chuy\u1ebfn \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span class=\"ng-star-inserted\">\u0110\u1ec3 l\u00e0m ch\u1ee7 c\u00e1c th\u00ec di\u1ec5n t\u1ea3 s\u1ef1 li\u00ean t\u1ee5c c\u1ee7a h\u00e0nh \u0111\u1ed9ng, b\u1ea1n n\u00ean so s\u00e1nh v\u00e0 \u0111\u1ed1i chi\u1ebfu th\u00ec n\u00e0y v\u1edbi <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-hien-tai-tiep-dien-present-continuous\" target=\"_blank\" rel=\"noopener\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Th\u00ec hi\u1ec7n t\u1ea1i ti\u1ebfp di\u1ec5n<\/span><\/strong><\/a> <span class=\"ng-star-inserted\">v\u00e0 <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-tuong-lai-tiep-dien\" target=\"_blank\" rel=\"noopener\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Th\u00ec t\u01b0\u01a1ng lai ti\u1ebfp di\u1ec5n<\/span><\/strong><\/a><span class=\"ng-star-inserted\">. Vi\u1ec7c hi\u1ec3u r\u00f5 \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t v\u1ec1 th\u1eddi \u0111i\u1ec3m v\u00e0 ng\u1eef c\u1ea3nh gi\u1eefa c\u00e1c th\u00ec ti\u1ebfp di\u1ec5n s\u1ebd gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 linh ho\u1ea1t.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"V_Dau_hieu_nhan_biet_thi_qua_khu_hoan_thanh_tiep_dien_Past_perfect_continuous_tense\"><\/span><b>V. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4273\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4273\" class=\"size-full wp-image-4273\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/dau-hieu-thi-qua-khu-hoan-thanh-tiep-dien.jpg\" alt=\"D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/dau-hieu-thi-qua-khu-hoan-thanh-tiep-dien.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/dau-hieu-thi-qua-khu-hoan-thanh-tiep-dien-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/dau-hieu-thi-qua-khu-hoan-thanh-tiep-dien-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/dau-hieu-thi-qua-khu-hoan-thanh-tiep-dien-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4273\" class=\"wp-caption-text\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n<\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense) th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft th\u00f4ng qua m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u \u0111i\u1ec3n h\u00ecnh nh\u01b0:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li><b> By the time<\/b><span style=\"font-weight: 400;\"> (V\u00e0o l\u00fac\/\u0110\u1ebfn l\u00fac\u2026):<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: By the time the meeting started, they had been discussing the proposal for over an hour. &#8211; \u0110\u1ebfn l\u00fac cu\u1ed9c h\u1ecdp b\u1eaft \u0111\u1ea7u, h\u1ecd \u0111\u00e3 th\u1ea3o lu\u1eadn v\u1ec1 b\u1ea3n \u0111\u1ec1 xu\u1ea5t h\u01a1n m\u1ed9t gi\u1edd \u0111\u1ed3ng h\u1ed3.<\/span><\/p>\n<ol style=\"text-align: justify;\" start=\"2\">\n<li><b> Until then<\/b><span style=\"font-weight: 400;\"> (Cho \u0111\u1ebfn l\u00fac \u0111\u00f3):<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: He had been waiting outside until then, hoping to catch a glimpse of her. &#8211; Anh \u1ea5y \u0111\u00e3 ch\u1edd \u0111\u1ee3i b\u00ean ngo\u00e0i cho \u0111\u1ebfn l\u00fac \u0111\u00f3, hy v\u1ecdng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y c\u00f4 \u1ea5y.<\/span><\/p>\n<ol style=\"text-align: justify;\" start=\"3\">\n<li><b> Prior to that time<\/b><span style=\"font-weight: 400;\"> (Tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m \u0111\u00f3\/Tr\u01b0\u1edbc \u0111\u00f3):<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: Prior to that time, the team had been working tirelessly to meet the deadline. &#8211; Tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m \u0111\u00f3, \u0111\u1ed9i \u0111\u00e3 l\u00e0m vi\u1ec7c kh\u00f4ng ng\u1eebng ngh\u1ec9 \u0111\u1ec3 k\u1ecbp th\u1eddi h\u1ea1n.<\/span><\/p>\n<ol style=\"text-align: justify;\" start=\"4\">\n<li><b> Before, after<\/b><span style=\"font-weight: 400;\"> (Tr\u01b0\u1edbc, sau):<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: She had been practicing her speech for weeks before she finally delivered it. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 luy\u1ec7n t\u1eadp b\u00e0i ph\u00e1t bi\u1ec3u c\u1ee7a m\u00ecnh trong nhi\u1ec1u tu\u1ea7n tr\u01b0\u1edbc khi cu\u1ed1i c\u00f9ng tr\u00ecnh b\u00e0y n\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>L\u01b0u \u00fd:<\/b><span style=\"font-weight: 400;\"> C\u00e1c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft c\u1ee7a th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n c\u00f3 nhi\u1ec1u \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh. V\u00ec v\u1eady, \u0111\u1ec3 s\u1eed d\u1ee5ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea1t k\u1ebft qu\u1ea3 cao, b\u1ea1n c\u1ea7n xem x\u00e9t k\u1ef9 ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng v\u00e0 luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"VI_Phan_biet_Past_perfect_and_Past_perfect_continuous\"><\/span><b>VI. Ph\u00e2n bi\u1ec7t Past perfect and Past perfect continuous<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div id=\"attachment_4270\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4270\" class=\"size-full wp-image-4270\" src=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/past-perfect-and-past-perfect-continuous.jpg\" alt=\"Past perfect and Past perfect continuous\" width=\"1200\" height=\"750\" srcset=\"https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/past-perfect-and-past-perfect-continuous.jpg 1200w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/past-perfect-and-past-perfect-continuous-300x188.jpg 300w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/past-perfect-and-past-perfect-continuous-1024x640.jpg 1024w, https:\/\/thecatalyst.edu.vn\/blogs\/wp-content\/uploads\/2025\/03\/past-perfect-and-past-perfect-continuous-768x480.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-4270\" class=\"wp-caption-text\">Past perfect and Past perfect continuous<\/p><\/div>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00ec <a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-qua-khu-hoan-thanh\" target=\"_blank\" rel=\"noopener\"><strong>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh<\/strong><\/a> v\u00e0 Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n th\u01b0\u1eddng g\u00e2y nhi\u1ec1u kh\u00f3 kh\u0103n cho h\u1ecdc vi\u00ean khi \u00f4n luy\u1ec7n ng\u1eef ph\u00e1p, \u0111\u1eb7c bi\u1ec7t trong k\u1ef3 thi IELTS. C\u00f9ng TCE ph\u00e2n bi\u1ec7t 2 th\u00ec n\u00e0y trong ph\u1ea7n n\u00e0y nh\u00e9!<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_Cau_truc_cau\"><\/span><b>1. C\u1ea5u tr\u00fac c\u00e2u<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 15.6493%;\"><\/td>\n<td style=\"text-align: center; width: 41.7313%;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh (Past perfect)<\/b><\/td>\n<td style=\"text-align: center; width: 41.5095%;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.6493%;\"><b>C\u00e2u kh\u1eb3ng \u0111\u1ecbnh<\/b><\/td>\n<td style=\"width: 41.7313%;\"><b>S + had + V3\/ed<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">By the time the rescue team arrived, the hikers had already endured three days without food or water in the harsh wilderness. &#8211; Khi \u0111\u1ed9i c\u1ee9u h\u1ed9 \u0111\u1ebfn, nh\u1eefng ng\u01b0\u1eddi \u0111i b\u1ed9 \u0111\u01b0\u1eddng d\u00e0i \u0111\u00e3 ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng ba ng\u00e0y kh\u00f4ng c\u00f3 th\u1ee9c \u0103n ho\u1eb7c n\u01b0\u1edbc trong v\u00f9ng hoang d\u00e3 kh\u1eafc nghi\u1ec7t.<\/span><\/td>\n<td style=\"width: 41.5095%;\"><b>S + had been + V-ing + \u2026<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The students had been preparing for their final presentation for three consecutive weeks before the competition was finally held. &#8211; C\u00e1c sinh vi\u00ean \u0111\u00e3 chu\u1ea9n b\u1ecb cho b\u00e0i thuy\u1ebft tr\u00ecnh cu\u1ed1i k\u1ef3 trong su\u1ed1t ba tu\u1ea7n li\u00ean ti\u1ebfp tr\u01b0\u1edbc khi cu\u1ed9c thi cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.6493%;\"><b>C\u00e2u ph\u1ee7 \u0111\u1ecbnh<\/b><\/td>\n<td style=\"width: 41.7313%;\"><b>S + had + not + V3\/ed<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The scientist hadn\u2019t completed her research before the funding was unexpectedly cut off, causing significant delays in the project. &#8211; Nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u01b0a ho\u00e0n th\u00e0nh nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi ngu\u1ed3n t\u00e0i tr\u1ee3 b\u1ea5t ng\u1edd b\u1ecb c\u1eaft, g\u00e2y ra s\u1ef1 tr\u00ec ho\u00e3n \u0111\u00e1ng k\u1ec3 cho d\u1ef1 \u00e1n.<\/span><\/td>\n<td style=\"width: 41.5095%;\"><b>S + had not been + V-ing +\u2026<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">She had not been practicing her speech diligently, which was evident when she struggled to deliver it fluently on the big day. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 kh\u00f4ng luy\u1ec7n t\u1eadp b\u00e0i ph\u00e1t bi\u1ec3u c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch ch\u0103m ch\u1ec9, \u0111i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n r\u00f5 khi c\u00f4 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c tr\u00ecnh b\u00e0y tr\u00f4i ch\u1ea3y v\u00e0o ng\u00e0y quan tr\u1ecdng.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.6493%;\"><b>C\u00e2u nghi v\u1ea5n<\/b><\/td>\n<td style=\"width: 41.7313%;\"><b>Had + S + V3\/ed?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e2u tr\u1ea3 l\u1eddi:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yes, S + had<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">No, S had + not<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Had they finalized all the necessary preparations before the unexpected guests arrived at the venue? &#8211; H\u1ecd \u0111\u00e3 ho\u00e0n t\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c chu\u1ea9n b\u1ecb c\u1ea7n thi\u1ebft tr\u01b0\u1edbc khi nh\u1eefng v\u1ecb kh\u00e1ch b\u1ea5t ng\u1edd \u0111\u1ebfn \u0111\u1ecba \u0111i\u1ec3m ch\u01b0a? \u21d2 Yes, They had<\/span><\/td>\n<td style=\"width: 41.5095%;\"><b>Had + S + been + V-ing\u2026?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e2u tr\u1ea3 l\u1eddi:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yes, S + had<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">No, S had + not<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Had they been working on the project together for months before the disagreement occurred? &#8211; H\u1ecd \u0111\u00e3 c\u00f9ng l\u00e0m vi\u1ec7c v\u1edbi nhau trong nhi\u1ec1u th\u00e1ng tr\u01b0\u1edbc khi x\u1ea3y ra b\u1ea5t \u0111\u1ed3ng ph\u1ea3i kh\u00f4ng?<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Cach_dung\"><\/span><b>2. C\u00e1ch d\u00f9ng\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: center; width: 49.5006%;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh (Past perfect)<\/b><\/td>\n<td style=\"text-align: center; width: 49.6115%;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>Di\u1ec5n t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 di\u1ec5n ra v\u00e0 ho\u00e0n th\u00e0nh tr\u01b0\u1edbc m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c x\u1ea3y ra trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: By the time the meeting started, she had already finished preparing all the slides and printed the necessary documents for everyone. &#8211; Khi bu\u1ed5i h\u1ecdp b\u1eaft \u0111\u1ea7u, c\u00f4 \u1ea5y \u0111\u00e3 ho\u00e0n th\u00e0nh vi\u1ec7c chu\u1ea9n b\u1ecb t\u1ea5t c\u1ea3 c\u00e1c slide v\u00e0 in \u0111\u1ea7y \u0111\u1ee7 t\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft cho m\u1ecdi ng\u01b0\u1eddi.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><b>Th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n d\u00f9ng \u0111\u1ec3 di\u1ec5n t\u1ea3 h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u trong qu\u00e1 kh\u1ee9, di\u1ec5n ra li\u00ean t\u1ee5c trong m\u1ed9t kho\u1ea3ng th\u1eddi gian v\u00e0 k\u1ebft th\u00fac t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: They had been waiting at the airport for over five hours by the time the announcement about the delayed flight was made. &#8211; H\u1ecd \u0111\u00e3 ch\u1edd \u1edf s\u00e2n bay h\u01a1n n\u0103m ti\u1ebfng tr\u01b0\u1edbc khi c\u00f3 th\u00f4ng b\u00e1o v\u1ec1 chuy\u1ebfn bay b\u1ecb ho\u00e3n.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>Mi\u00eau t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 di\u1ec5n ra v\u00e0 k\u00e9o d\u00e0i \u0111\u1ebfn m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: He had worked tirelessly on his research for over five years before he finally published his groundbreaking findings in a renowned journal. &#8211; Anh \u1ea5y \u0111\u00e3 l\u00e0m vi\u1ec7c kh\u00f4ng ng\u1eebng ngh\u1ec9 v\u1edbi nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh trong h\u01a1n n\u0103m n\u0103m tr\u01b0\u1edbc khi cu\u1ed1i c\u00f9ng c\u00f4ng b\u1ed1 c\u00e1c ph\u00e1t hi\u1ec7n mang t\u00ednh \u0111\u1ed9t ph\u00e1 tr\u00ean m\u1ed9t t\u1ea1p ch\u00ed danh ti\u1ebfng.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><b>D\u00f9ng \u0111\u1ec3 n\u00f3i v\u1ec1 m\u1ed9t h\u00e0nh \u0111\u1ed9ng di\u1ec5n ra li\u00ean t\u1ee5c trong qu\u00e1 kh\u1ee9 cho \u0111\u1ebfn khi b\u1ecb gi\u00e1n \u0111o\u1ea1n b\u1edfi m\u1ed9t h\u00e0nh \u0111\u1ed9ng kh\u00e1c.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: She had been rehearsing her dance routine for weeks when she suddenly injured her ankle and had to stop. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 luy\u1ec7n t\u1eadp b\u00e0i nh\u1ea3y c\u1ee7a m\u00ecnh trong nhi\u1ec1u tu\u1ea7n cho \u0111\u1ebfn khi b\u1ecb ch\u1ea5n th\u01b0\u01a1ng m\u1eaft c\u00e1 ch\u00e2n v\u00e0 ph\u1ea3i d\u1eebng l\u1ea1i.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>Di\u1ec5n t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 x\u1ea3y ra tr\u01b0\u1edbc m\u1ed9t m\u1ed1c th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: By midnight, the storm had already passed, leaving behind a trail of destruction across the small coastal town. &#8211; \u0110\u1ebfn n\u1eeda \u0111\u00eam, c\u01a1n b\u00e3o \u0111\u00e3 \u0111i qua, \u0111\u1ec3 l\u1ea1i m\u1ed9t con \u0111\u01b0\u1eddng t\u00e0n ph\u00e1 kh\u1eafp th\u1ecb tr\u1ea5n ven bi\u1ec3n nh\u1ecf b\u00e9.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><b>Di\u1ec5n \u0111\u1ea1t m\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u00e3 \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft ho\u1eb7c k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: He was exhausted because he had been climbing the mountain without proper rest for almost ten hours. &#8211; Anh \u1ea5y ki\u1ec7t s\u1ee9c v\u00ec \u0111\u00e3 leo n\u00fai li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng ngh\u1ec9 ng\u01a1i trong g\u1ea7n m\u01b0\u1eddi gi\u1edd \u0111\u1ed3ng h\u1ed3.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>Di\u1ec5n t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng l\u00e0 y\u1ebfu t\u1ed1 ti\u00ean quy\u1ebft, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho h\u00e0nh \u0111\u1ed9ng kh\u00e1c x\u1ea3y ra.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: She had studied advanced computer programming extensively, which enabled her to secure a highly competitive job in a top tech company. &#8211; C\u00f4 \u1ea5y \u0111\u00e3 h\u1ecdc l\u1eadp tr\u00ecnh m\u00e1y t\u00ednh n\u00e2ng cao m\u1ed9t c\u00e1ch chuy\u00ean s\u00e2u, \u0111i\u1ec1u n\u00e0y gi\u00fap c\u00f4 \u1ea5y gi\u00e0nh \u0111\u01b0\u1ee3c m\u1ed9t c\u00f4ng vi\u1ec7c \u0111\u1ea7y c\u1ea1nh tranh t\u1ea1i m\u1ed9t c\u00f4ng ty c\u00f4ng ngh\u1ec7 h\u00e0ng \u0111\u1ea7u.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><b>Mi\u00eau t\u1ea3 m\u1ed9t h\u00e0nh \u0111\u1ed9ng x\u1ea3y ra li\u00ean t\u1ee5c tr\u01b0\u1edbc m\u1ed9t m\u1ed1c th\u1eddi gian c\u1ee5 th\u1ec3 trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: By the time the clock struck midnight, the students had been studying intensively in the library for nearly eight hours straight. &#8211; \u0110\u1ebfn khi \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec3m n\u1eeda \u0111\u00eam, c\u00e1c sinh vi\u00ean \u0111\u00e3 h\u1ecdc li\u00ean t\u1ee5c trong th\u01b0 vi\u1ec7n g\u1ea7n t\u00e1m gi\u1edd li\u1ec1n.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>\u0110\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e2u \u0111i\u1ec1u ki\u1ec7n lo\u1ea1i 3 nh\u1eb1m bi\u1ec3u \u0111\u1ea1t m\u1ed9t \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng x\u1ea3y ra trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: If they had arrived earlier, they would have been able to catch the last train to the city. &#8211; N\u1ebfu h\u1ecd \u0111\u1ebfn s\u1edbm h\u01a1n, h\u1ecd \u0111\u00e3 c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c chuy\u1ebfn t\u00e0u cu\u1ed1i c\u00f9ng \u0111\u1ebfn th\u00e0nh ph\u1ed1.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><b>D\u00f9ng trong c\u00e2u \u0111i\u1ec1u ki\u1ec7n lo\u1ea1i III \u0111\u1ec3 n\u00f3i v\u1ec1 m\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng c\u00f3 th\u1eadt trong qu\u00e1 kh\u1ee9 v\u00e0 gi\u1ea3 \u0111\u1ecbnh k\u1ebft qu\u1ea3 n\u1ebfu n\u00f3 x\u1ea3y ra.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: If they had been practicing more diligently, they would have performed exceptionally well in the competition. &#8211; N\u1ebfu h\u1ecd \u0111\u00e3 luy\u1ec7n t\u1eadp ch\u0103m ch\u1ec9 h\u01a1n, h\u1ecd ch\u1eafc ch\u1eafn \u0111\u00e3 bi\u1ec3u di\u1ec5n xu\u1ea5t s\u1eafc trong cu\u1ed9c thi.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 49.5006%; text-align: justify;\"><b>D\u00f9ng \u0111\u1ec3 b\u00e0y t\u1ecf s\u1ef1 ti\u1ebfc nu\u1ed1i ho\u1eb7c th\u1ea5t v\u1ecdng v\u1ec1 m\u1ed9t s\u1ef1 vi\u1ec7c trong qu\u00e1 kh\u1ee9.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: I wish I had paid more attention to his advice before making such a significant decision. &#8211; T\u00f4i \u01b0\u1edbc g\u00ec m\u00ecnh \u0111\u00e3 ch\u00fa \u00fd h\u01a1n \u0111\u1ebfn l\u1eddi khuy\u00ean c\u1ee7a anh \u1ea5y tr\u01b0\u1edbc khi \u0111\u01b0a ra m\u1ed9t quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng nh\u01b0 v\u1eady.<\/span><\/td>\n<td style=\"width: 49.6115%; text-align: justify;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Dau_hieu_nhan_biet\"><\/span><b>3. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"width: 100%; height: 280px;\">\n<tbody>\n<tr style=\"height: 56px;\">\n<td style=\"text-align: center; width: 49.7225%; height: 56px;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh (Past perfect)<\/b><\/td>\n<td style=\"text-align: center; width: 49.3896%; height: 56px;\"><b>Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous)<\/b><\/td>\n<\/tr>\n<tr style=\"height: 120px;\">\n<td style=\"width: 49.7225%; height: 120px; text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c t\u1eeb v\u00e0 c\u1ee5m t\u1eeb nh\u01b0: <\/span><b>when, before, after, by the time\u2026<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c c\u1ea5u tr\u00fac: <\/span><b>no sooner\u2026 than\u2026, hardly\/ barely\/scarcely \u2026 when \u2026 ho\u1eb7c by + tr\u1ea1ng t\u1eeb qu\u00e1 kh\u1ee9<\/b><\/td>\n<td style=\"width: 49.3896%; height: 120px; text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c t\u1eeb v\u00e0 c\u1ee5m t\u1eeb: <\/span><b>before, after, by the time, until then, prior to that time\u2026<\/b><\/td>\n<\/tr>\n<tr style=\"height: 104px;\">\n<td style=\"width: 49.7225%; height: 104px; text-align: justify;\"><span style=\"font-weight: 400;\">Hardly had I completed my homework when my friends called me to go out. &#8211; Ngay khi t\u00f4i v\u1eeba ho\u00e0n th\u00e0nh b\u00e0i t\u1eadp xong, b\u1ea1n b\u00e8 t\u00f4i \u0111\u00e3 g\u1ecdi t\u00f4i \u0111i ch\u01a1i.<\/span><\/td>\n<td style=\"width: 49.3896%; height: 104px; text-align: justify;\"><span style=\"font-weight: 400;\">Prior to that time, the team had never faced such challenges. &#8211; Tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m \u0111\u00f3, \u0111\u1ed9i ng\u0169 ch\u01b0a bao gi\u1edd \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u1eed th\u00e1ch nh\u01b0 v\u1eady.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"ng-star-inserted\">Sau khi \u0111\u00e3 l\u00e0m ch\u1ee7 c\u00e1c th\u00ec qu\u00e1 kh\u1ee9 ph\u1ee9c t\u1ea1p nh\u01b0 Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n, \u0111\u1ec3 ho\u00e0n thi\u1ec7n kh\u1ea3 n\u0103ng di\u1ec5n \u0111\u1ea1t c\u00e1c k\u1ebf ho\u1ea1ch, d\u1ef1 \u0111\u1ecbnh hay c\u00e1c h\u00e0nh \u0111\u1ed9ng s\u1ebd di\u1ec5n ra trong t\u01b0\u01a1ng lai, vi\u1ec7c n\u1eafm v\u1eefng <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/thi-tuong-lai-don\" target=\"_blank\" rel=\"noopener\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Th\u00ec t\u01b0\u01a1ng lai \u0111\u01a1n<\/span><\/strong><\/a><span class=\"ng-star-inserted\">\u00a0l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu. Vi\u1ec7c k\u1ebft n\u1ed1i v\u00e0 hi\u1ec3u s\u00e2u c\u00e1c th\u00ec s\u1ebd gi\u00fap b\u1ea1n t\u1ef1 tin h\u01a1n trong m\u1ecdi giao ti\u1ebfp ti\u1ebfng Anh v\u00e0 th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c s\u1ef1 tinh t\u1ebf trong vi\u1ec7c s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"VII_Bai_tap_thi_qua_khu_hoan_thanh_tiep_dien_Dap_an_chi_tiet\"><\/span><b>VII. B\u00e0i t\u1eadp th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (\u0110\u00e1p \u00e1n chi ti\u1ebft)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 d\u1ea1ng b\u00e0i t\u1eadp \u0111\u1ec3 c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 \u00f4n t\u1eadp l\u1ea1i c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense) \u0111\u00e3 h\u1ecdc \u1edf tr\u00ean.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_Bai_1_Dien_dang_dung_cua_dong_tu_trong_ngoac_de_hoan_thanh_cau\"><\/span><b>1. B\u00e0i 1: \u0110i\u1ec1n d\u1ea1ng \u0111\u00fang c\u1ee7a \u0111\u1ed9ng t\u1eeb trong ngo\u1eb7c \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e2u.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> She ______ (read) books for three hours before her friends arrived.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> By the time we got there, the workers ______ (build) the bridge for months.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> The kids ______ (argue) for 15 minutes when the teacher entered the room.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> When you called me, I ______ (look) for my lost keys all morning.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>\u0110\u00e1p \u00e1n:<\/b><\/p>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> had been reading<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been building<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been arguing<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been looking<\/span><\/li>\n<\/ol>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Bai_2_Chon_dap_an_dung\"><\/span><b>2. B\u00e0i 2: Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> When she finally (had been finding \/found)the book, she ______ (had been looking \/looked) for it for hours.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> They ______ (had been cleaning \/ cleaned) the house before the guests ______(had been arriving\/arrived).<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> By the time he ______ (had been finishing\/ finished) the marathon, he ______ (ran\/had been running) for nearly four hours.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> The company ______ (had developed\/had been developing) the product for months before they (had been launching\/launched) it.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>\u0110\u00e1p \u00e1n:<\/b><\/p>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> found &#8211; had been looking<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been cleaning &#8211; arrived<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> finished &#8211; had been running<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been developing &#8211; launched<\/span><\/li>\n<\/ol>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Bai_3_Su_dung_tu_goi_y_de_viet_cau_hoan_chinh_o_thi_Qua_khu_hoan_thanh_tiep_dien\"><\/span><b>3. B\u00e0i 3: S\u1eed d\u1ee5ng t\u1eeb g\u1ee3i \u00fd \u0111\u1ec3 vi\u1ebft c\u00e2u ho\u00e0n ch\u1ec9nh \u1edf th\u00ec Qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> I \/ practice \/ piano \/ three hours \/ before \/ take \/ a break.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> They \/ wait \/ for the train \/ two hours \/ when \/ finally \/ arrive.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> He \/ not sleep \/ properly \/ for days \/ when \/ fall \/ sick.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> We \/ talk \/ about \/ project \/ all morning \/ before \/ decide \/ solution.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>\u0110\u00e1p \u00e1n:<\/b><\/p>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> I <\/span><b>had been practicing<\/b><span style=\"font-weight: 400;\"> the piano for three hours before I took a break.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> They <\/span><b>had been waiting<\/b><span style=\"font-weight: 400;\"> for the train for two hours when it finally arrived.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> He <\/span><b>had not been sleeping<\/b><span style=\"font-weight: 400;\"> properly for days when he fell sick.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> We <\/span><b>had been talking<\/b><span style=\"font-weight: 400;\"> about the project all morning before we decided on a solution.<\/span><\/li>\n<\/ol>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_Bai_4_Xac_dinh_loi_sai_trong_moi_cau_duoi_day_sau_do_sua_lai_cau_dung\"><\/span><b>4. B\u00e0i 4: X\u00e1c \u0111\u1ecbnh l\u1ed7i sai trong m\u1ed7i c\u00e2u d\u01b0\u1edbi \u0111\u00e2y, sau \u0111\u00f3 s\u1eeda l\u1ea1i c\u00e2u \u0111\u00fang.<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> She had been working on the report when her boss calls her.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> By the time they arrived, we already had been eating dinner.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> He hadn\u2019t been studying much before he fails the exam.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> They had been lived in Paris for years before moving to London.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>\u0110\u00e1p \u00e1n:<\/b><\/p>\n<ol style=\"text-align: justify;\">\n<li><span style=\"font-weight: 400;\"> calls \u2192 called<\/span><b><br \/>\n<\/b><span style=\"font-weight: 400;\">\u2192 She <\/span><b>had been working<\/b><span style=\"font-weight: 400;\"> on the report when her boss <\/span><b>called<\/b><span style=\"font-weight: 400;\"> her.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been eating \u2192 had eaten<\/span><b><br \/>\n<\/b><span style=\"font-weight: 400;\">\u2192 By the time they arrived, we <\/span><b>had already eaten<\/b><span style=\"font-weight: 400;\"> dinner.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> fails \u2192 failed<\/span><b><br \/>\n<\/b><span style=\"font-weight: 400;\">\u2192 He <\/span><b>hadn\u2019t been studying<\/b><span style=\"font-weight: 400;\"> much before he <\/span><b>failed<\/b><span style=\"font-weight: 400;\"> the exam.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> had been lived \u2192 had been living<\/span><b><br \/>\n<\/b><span style=\"font-weight: 400;\">\u2192 They <\/span><b>had been living<\/b><span style=\"font-weight: 400;\"> in Paris for years before moving to London.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past perfect continuous tense), bao g\u1ed3m c\u1ea5u tr\u00fac, c\u00e1ch d\u00f9ng v\u00e0 b\u00e0i t\u1eadp minh h\u1ecda. Hy v\u1ecdng qua b\u00e0i vi\u1ebft, c\u00e1c b\u1ea1n h\u1ecdc vi\u00ean c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 v\u00e0 \u00e1p d\u1ee5ng ch\u00ednh x\u00e1c h\u01a1n th\u00ec n\u00e0y trong h\u1ecdc t\u1eadp c\u0169ng nh\u01b0 giao ti\u1ebfp h\u00e0ng ng\u00e0y. \u0110\u1eebng qu\u00ean theo d\u00f5i c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c tr\u00ean website c\u1ee7a TCE \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c ki\u1ebfn th\u1ee9c li\u00ean quan t\u1edbi ng\u1eef ph\u00e1p v\u00e0 <\/span><a href=\"https:\/\/thecatalyst.edu.vn\/blogs\/hoc-tieng-anh\/tu-vung-tieng-anh\" target=\"_blank\" rel=\"noopener\"><b>t\u1eeb v\u1ef1ng Ti\u1ebfng Anh<\/b><\/a><span style=\"font-weight: 400;\"> nh\u00e9!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past Perfect Continuous) l\u00e0 m\u1ed9t th\u00ec ph\u1ee9c t\u1ea1p, d\u1ec5 nh\u1ea7m l\u1eabn, v\u00e0 th\u01b0\u1eddng g\u00e2y kh\u00f3 kh\u0103n cho ng\u01b0\u1eddi h\u1ecdc. Trong b\u00e0i vi\u1ebft n\u00e0y, The Catalyst for English (TCE) s\u1ebd cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u1ea5u tr\u00fac, c\u00e1ch d\u00f9ng c\u0169ng nh\u01b0 c\u00e1c v\u00ed d\u1ee5 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":4267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38,51,47],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.0 (Yoast SEO v22.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n v\u00e0 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh<\/title>\n<meta name=\"description\" content=\"Th\u00ec qu\u00e1 kh\u1ee9 ho\u00e0n th\u00e0nh ti\u1ebfp di\u1ec5n (Past Perfect Continuous) l\u00e0 m\u1ed9t th\u00ec d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi h\u1ecdc. 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V\u1edbi h\u01a1n 7 n\u0103m kinh nghi\u1ec7m \u0111\u1ed3ng h\u00e0nh c\u00f9ng c\u00e1c b\u1ea1n h\u1ecdc vi\u00ean tr\u00ean con \u0111\u01b0\u1eddng chinh ph\u1ee5c ti\u1ebfng Anh, IELTS v\u00e0 s\u1edf h\u1eefu \u0111i\u1ec3m Overall 8.5, m\u00ecnh lu\u00f4n mong mu\u1ed1n chia s\u1ebb nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 cao. T\u1ea1i The Catalyst for English, m\u00ecnh c\u00f9ng \u0111\u1ed9i ng\u0169 gi\u00e1o vi\u00ean lu\u00f4n \u0111\u1eb7t 3 gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i: Connected \u2013 Disciplined \u2013 Goal-oriented (K\u1ebft n\u1ed1i \u2013 K\u1ec9 lu\u1eadt \u2013 H\u01b0\u1edbng v\u1ec1 k\u1ebft qu\u1ea3) l\u00ean h\u00e0ng \u0111\u1ea7u. 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