{"id":570068,"date":"2026-07-27T08:49:31","date_gmt":"2026-07-27T01:49:31","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=570068"},"modified":"2026-07-27T08:49:31","modified_gmt":"2026-07-27T01:49:31","slug":"modal-verbs","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/modal-verbs\/","title":{"rendered":"Modal verbs: \u0111\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu, ch\u1ee9c n\u0103ng v\u00e0 b\u00e0i t\u1eadp"},"content":{"rendered":"

Modal verbs<\/strong> (\u0111\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu) l\u00e0 nh\u00f3m \u0111\u1ed9ng t\u1eeb \u0111\u1eb7c bi\u1ec7t trong ti\u1ebfng Anh nh\u01b0 can, could, may, might, must, should, will, would, shall \u2014 d\u00f9ng \u0111\u1ec3 b\u1ed5 ngh\u0129a cho \u0111\u1ed9ng t\u1eeb ch\u00ednh, di\u1ec5n t\u1ea3 kh\u1ea3 n\u0103ng, s\u1ef1 cho ph\u00e9p, s\u1ef1 b\u1eaft bu\u1ed9c hay l\u1eddi khuy\u00ean. Sau modal verb lu\u00f4n l\u00e0 \u0111\u1ed9ng t\u1eeb nguy\u00ean m\u1eabu kh\u00f4ng “to”. N\u1eafm ch\u1eafc nh\u00f3m \u0111\u1ed9ng t\u1eeb n\u00e0y gi\u00fap b\u1ea1n di\u1ec5n \u0111\u1ea1t s\u1eafc th\u00e1i \u00fd ngh\u0129a tinh t\u1ebf h\u01a1n khi n\u00f3i v\u00e0 vi\u1ebft. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y \u0111\u1eb7c \u0111i\u1ec3m, ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng modal verb th\u00f4ng d\u1ee5ng, c\u00e1ch ph\u00e2n bi\u1ec7t c\u00e1c c\u1eb7p d\u1ec5 nh\u1ea7m c\u00f9ng b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft.<\/p>\n

Modal verbs l\u00e0 g\u00ec?<\/strong><\/h2>\n

\u0110\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu hay \u0111\u1ed9ng t\u1eeb t\u00ecnh th\u00e1i l\u00e0 nh\u1eefng \u0111\u1ed9ng t\u1eeb b\u1ed5 tr\u1ee3, kh\u00f4ng di\u1ec5n t\u1ea3 h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 m\u00e0 b\u1ed5 sung \u00fd ngh\u0129a cho \u0111\u1ed9ng t\u1eeb ch\u00ednh v\u1ec1 kh\u1ea3 n\u0103ng, s\u1ef1 cho ph\u00e9p, ngh\u0129a v\u1ee5, d\u1ef1 \u0111o\u00e1n\u2026 C\u00e1c modal verbs<\/strong> th\u00f4ng d\u1ee5ng g\u1ed3m: can, could, may, might, must, should, ought to, will, would, shall. Ch\u00fang lu\u00f4n \u0111i k\u00e8m m\u1ed9t \u0111\u1ed9ng t\u1eeb ch\u00ednh v\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u1ee9ng m\u1ed9t m\u00ecnh \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e2u ho\u00e0n ch\u1ec9nh v\u1ec1 ngh\u0129a.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a modal verbs<\/strong><\/h2>\n

Kh\u00e1c v\u1edbi \u0111\u1ed9ng t\u1eeb th\u01b0\u1eddng, modal verbs<\/strong> c\u00f3 nh\u1eefng quy t\u1eafc s\u1eed d\u1ee5ng ri\u00eang v\u1ec1 c\u1ea5u tr\u00fac c\u00e2u, c\u00e1ch chia \u0111\u1ed9ng t\u1eeb v\u00e0 c\u00e1ch th\u00e0nh l\u1eadp c\u00e2u ph\u1ee7 \u0111\u1ecbnh, nghi v\u1ea5n.<\/p>\n

Theo sau modal verb lu\u00f4n l\u00e0 \u0111\u1ed9ng t\u1eeb nguy\u00ean m\u1eabu kh\u00f4ng “to” (V-bare):<\/p>\n

    \n
  • Sau modal verb, \u0111\u1ed9ng t\u1eeb ch\u00ednh lu\u00f4n gi\u1eef nguy\u00ean d\u1ea1ng, kh\u00f4ng chia theo th\u00ec ho\u1eb7c ng\u00f4i.<\/li>\n
  • V\u00ed d\u1ee5: She can swim.<\/li>\n
  • D\u1ecbch ngh\u0129a: C\u00f4 \u1ea5y c\u00f3 th\u1ec3 b\u01a1i.<\/li>\n<\/ul>\n

    Modal verb kh\u00f4ng th\u00eam “s” \u1edf ng\u00f4i th\u1ee9 ba s\u1ed1 \u00edt:<\/p>\n

      \n
    • Kh\u00e1c v\u1edbi \u0111\u1ed9ng t\u1eeb th\u01b0\u1eddng, modal verb kh\u00f4ng thay \u0111\u1ed5i h\u00ecnh th\u1ee9c khi ch\u1ee7 ng\u1eef l\u00e0 he, she, it.<\/li>\n
    • V\u00ed d\u1ee5: He can speak English.<\/li>\n
    • L\u01b0u \u00fd: Kh\u00f4ng d\u00f9ng “He cans speak English”.<\/li>\n<\/ul>\n

      \"modal-verbs-1\"<\/p>\n

      D\u1ea1ng ph\u1ee7 \u0111\u1ecbnh th\u00eam “not” ngay sau modal verb:<\/p>\n

        \n
      • C\u1ea5u tr\u00fac: Modal verb + not + V (nguy\u00ean m\u1eabu)<\/li>\n
      • M\u1ed9t s\u1ed1 d\u1ea1ng ph\u1ee7 \u0111\u1ecbnh th\u01b0\u1eddng g\u1eb7p:<\/li>\n
      • Cannot \/ can’t (kh\u00f4ng th\u1ec3)<\/li>\n
      • Should not \/ shouldn’t (kh\u00f4ng n\u00ean)<\/li>\n
      • Must not \/ mustn’t (kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p)<\/li>\n<\/ul>\n

        D\u1ea1ng nghi v\u1ea5n \u0111\u1ea3o modal verb l\u00ean tr\u01b0\u1edbc ch\u1ee7 ng\u1eef:<\/p>\n

          \n
        • Khi \u0111\u1eb7t c\u00e2u h\u1ecfi, modal verb \u0111\u01b0\u1ee3c \u0111\u01b0a l\u00ean \u0111\u1ea7u c\u00e2u, \u0111\u1ee9ng tr\u01b0\u1edbc ch\u1ee7 ng\u1eef.<\/li>\n
        • C\u1ea5u tr\u00fac: Modal verb + S + V (nguy\u00ean m\u1eabu)?<\/li>\n
        • V\u00ed d\u1ee5: Can you help me?<\/li>\n
        • D\u1ecbch ngh\u0129a: B\u1ea1n c\u00f3 th\u1ec3 gi\u00fap t\u00f4i kh\u00f4ng?<\/li>\n<\/ul>\n

          Ngo\u00e0i ra, modal verb kh\u00f4ng c\u00f3 d\u1ea1ng nguy\u00ean th\u1ec3 “to”, kh\u00f4ng th\u00eam \u0111u\u00f4i “-ing” hay “-ed”, v\u00e0 kh\u00f4ng \u0111i li\u1ec1n v\u1edbi m\u1ed9t modal verb kh\u00e1c (kh\u00f4ng n\u00f3i “will can” m\u00e0 ph\u1ea3i d\u00f9ng “will be able to”).<\/p>\n

          \"modal-verbs-3\"<\/p>\n

          Ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c modal verbs th\u00f4ng d\u1ee5ng<\/strong><\/h2>\n

          M\u1ed7i modal verb c\u00f3 c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 m\u1ee9c \u0111\u1ed9 bi\u1ec3u \u0111\u1ea1t kh\u00e1c nhau, v\u00ec v\u1eady vi\u1ec7c hi\u1ec3u r\u00f5 ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng \u0111\u1ed9ng t\u1eeb s\u1ebd gi\u00fap ng\u01b0\u1eddi h\u1ecdc s\u1eed d\u1ee5ng c\u00e2u ch\u00ednh x\u00e1c v\u00e0 t\u1ef1 nhi\u00ean h\u01a1n trong giao ti\u1ebfp c\u0169ng nh\u01b0 trong v\u0103n vi\u1ebft.<\/p>\n\n\n\n\n\n\n\n\n\n\n
          Modal verb<\/th>\nCh\u1ee9c n\u0103ng<\/th>\nV\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n
          can \/ could<\/td>\nKh\u1ea3 n\u0103ng, xin ph\u00e9p, \u0111\u1ec1 ngh\u1ecb<\/td>\nI can swim. \/ Could you help me?<\/td>\n<\/tr>\n
          may \/ might<\/td>\nXin ph\u00e9p, d\u1ef1 \u0111o\u00e1n (kh\u1ea3 n\u0103ng)<\/td>\nIt may rain. \/ You may go.<\/td>\n<\/tr>\n
          must<\/td>\nB\u1eaft bu\u1ed9c, ch\u1eafc ch\u1eafn<\/td>\nYou must wear a helmet.<\/td>\n<\/tr>\n
          should \/ ought to<\/td>\nL\u1eddi khuy\u00ean<\/td>\nYou should study harder.<\/td>\n<\/tr>\n
          will \/ would<\/td>\nT\u01b0\u01a1ng lai, l\u1eddi m\u1eddi, gi\u1ea3 \u0111\u1ecbnh<\/td>\nI will help you. \/ Would you like tea?<\/td>\n<\/tr>\n
          shall<\/td>\n\u0110\u1ec1 ngh\u1ecb, g\u1ee3i \u00fd (ch\u1ee7 ng\u1eef I\/We)<\/td>\nShall we go now?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          C\u00e1ch d\u00f9ng chi ti\u1ebft t\u1eebng modal verb<\/strong><\/h2>\n

          \u0110\u1ec3 d\u00f9ng \u0111\u00fang modal verb, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 s\u1eafc th\u00e1i ngh\u0129a v\u00e0 ng\u1eef c\u1ea3nh c\u1ee7a t\u1eebng t\u1eeb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 cho c\u00e1c \u0111\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu quan tr\u1ecdng nh\u1ea5t.<\/p>\n

            \n
          • Can \/ Could:<\/strong> “can” di\u1ec5n t\u1ea3 kh\u1ea3 n\u0103ng \u1edf hi\u1ec7n t\u1ea1i (I can drive a car), xin ph\u00e9p th\u00e2n m\u1eadt (Can I sit here?) ho\u1eb7c \u0111\u1ec1 ngh\u1ecb. “could” l\u00e0 d\u1ea1ng qu\u00e1 kh\u1ee9 c\u1ee7a “can” (When I was young, I could run fast) v\u00e0 c\u0169ng d\u00f9ng \u0111\u1ec3 xin ph\u00e9p, \u0111\u1ec1 ngh\u1ecb l\u1ecbch s\u1ef1 h\u01a1n (Could you open the window?).<\/li>\n
          • May \/ Might:<\/strong> c\u1ea3 hai di\u1ec5n t\u1ea3 kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 x\u1ea3y ra, trong \u0111\u00f3 “might” th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 ch\u1eafc ch\u1eafn th\u1ea5p h\u01a1n “may” (It may rain today \u2014 It might rain tonight). “may” c\u00f2n d\u00f9ng \u0111\u1ec3 xin ph\u00e9p trang tr\u1ecdng: May I come in?<\/li>\n
          • Must:<\/strong> di\u1ec5n t\u1ea3 s\u1ef1 b\u1eaft bu\u1ed9c m\u1ea1nh ho\u1eb7c suy lu\u1eadn g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn (She must be tired after the trip \u2014 C\u00f4 \u1ea5y ch\u1eafc ch\u1eafn m\u1ec7t sau chuy\u1ebfn \u0111i).<\/li>\n
          • Should \/ Ought to:<\/strong> \u0111\u01b0a ra l\u1eddi khuy\u00ean ho\u1eb7c \u0111i\u1ec1u n\u00ean l\u00e0m. Hai t\u1eeb g\u1ea7n nh\u01b0 \u0111\u1ed3ng ngh\u0129a, nh\u01b0ng “ought to” mang t\u00ednh trang tr\u1ecdng h\u01a1n (You should rest \u2014 You ought to see a doctor).<\/li>\n
          • Will \/ Would:<\/strong> “will” n\u00f3i v\u1ec1 t\u01b0\u01a1ng lai v\u00e0 s\u1ef1 s\u1eb5n l\u00f2ng (I will call you tonight); “would” d\u00f9ng cho c\u00e2u gi\u1ea3 \u0111\u1ecbnh, l\u1eddi m\u1eddi l\u1ecbch s\u1ef1 (Would you like some coffee?).<\/li>\n
          • Shall:<\/strong> th\u01b0\u1eddng d\u00f9ng v\u1edbi “I” v\u00e0 “we” \u0111\u1ec3 \u0111\u01b0a ra l\u1eddi \u0111\u1ec1 ngh\u1ecb ho\u1eb7c g\u1ee3i \u00fd (Shall we start? \u2014 Ch\u00fang ta b\u1eaft \u0111\u1ea7u nh\u00e9?).<\/li>\n<\/ul>\n

            Ph\u00e2n bi\u1ec7t must v\u00e0 have to<\/strong><\/h2>\n

            Trong modal verbs,<\/strong> must v\u00e0 have to \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 di\u1ec5n t\u1ea3 s\u1ef1 b\u1eaft bu\u1ed9c ho\u1eb7c c\u1ea7n thi\u1ebft trong ti\u1ebfng Anh. Tuy nhi\u00ean, hai c\u1ea5u tr\u00fac n\u00e0y c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 b\u1eaft bu\u1ed9c: must th\u01b0\u1eddng th\u1ec3 hi\u1ec7n y\u00eau c\u1ea7u, suy ngh\u0129 ho\u1eb7c quy\u1ebft \u0111\u1ecbnh mang t\u00ednh c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi n\u00f3i, trong khi have to th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb quy \u0111\u1ecbnh, ho\u00e0n c\u1ea3nh ho\u1eb7c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i.<\/p>\n

            C\u00e1ch d\u00f9ng “must”:<\/p>\n

              \n
            • D\u00f9ng \u0111\u1ec3 di\u1ec5n t\u1ea3 s\u1ef1 b\u1eaft bu\u1ed9c mang t\u00ednh ch\u1ee7 quan, t\u1ee9c l\u00e0 ng\u01b0\u1eddi n\u00f3i cho r\u1eb1ng m\u1ed9t vi\u1ec7c g\u00ec \u0111\u00f3 l\u00e0 c\u1ea7n thi\u1ebft ho\u1eb7c quan tr\u1ecdng.<\/li>\n
            • Th\u01b0\u1eddng th\u1ec3 hi\u1ec7n \u00fd ki\u1ebfn c\u00e1 nh\u00e2n, s\u1ef1 nh\u1eafc nh\u1edf ho\u1eb7c y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi n\u00f3i.<\/li>\n
            • V\u00ed d\u1ee5: I must study harder to improve my English.<\/li>\n
            • D\u1ecbch ngh\u0129a: T\u00f4i ph\u1ea3i h\u1ecdc ch\u0103m ch\u1ec9 h\u01a1n \u0111\u1ec3 c\u1ea3i thi\u1ec7n ti\u1ebfng Anh.<\/li>\n
            • \u00dd ngh\u0129a: Ng\u01b0\u1eddi n\u00f3i t\u1ef1 nh\u1eadn th\u1ea5y vi\u1ec7c h\u1ecdc ch\u0103m ch\u1ec9 l\u00e0 c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n

              \"modal-verbs-4\"<\/p>\n

              C\u00e1ch d\u00f9ng “have to”:<\/p>\n

                \n
              • D\u00f9ng \u0111\u1ec3 di\u1ec5n t\u1ea3 s\u1ef1 b\u1eaft bu\u1ed9c mang t\u00ednh kh\u00e1ch quan, xu\u1ea5t ph\u00e1t t\u1eeb quy \u0111\u1ecbnh, lu\u1eadt l\u1ec7 ho\u1eb7c ho\u00e0n c\u1ea3nh b\u00ean ngo\u00e0i.<\/li>\n
              • Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi m\u1ed9t ng\u01b0\u1eddi ph\u1ea3i l\u00e0m \u0111i\u1ec1u g\u00ec \u0111\u00f3 v\u00ec c\u00f3 y\u00eau c\u1ea7u ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n b\u1eaft bu\u1ed9c.<\/li>\n
              • V\u00ed d\u1ee5: I have to wear a uniform at school.<\/li>\n
              • D\u1ecbch ngh\u0129a: T\u00f4i ph\u1ea3i m\u1eb7c \u0111\u1ed3ng ph\u1ee5c \u1edf tr\u01b0\u1eddng.<\/li>\n
              • \u00dd ngh\u0129a: Vi\u1ec7c m\u1eb7c \u0111\u1ed3ng ph\u1ee5c l\u00e0 do quy \u0111\u1ecbnh c\u1ee7a tr\u01b0\u1eddng h\u1ecdc.<\/li>\n<\/ul>\n

                \u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n

                  \n
                • Must: S\u1ef1 b\u1eaft bu\u1ed9c \u0111\u1ebfn t\u1eeb suy ngh\u0129, quy\u1ebft \u0111\u1ecbnh ho\u1eb7c c\u1ea3m nh\u1eadn c\u1ee7a ng\u01b0\u1eddi n\u00f3i.<\/li>\n
                • Have to: S\u1ef1 b\u1eaft bu\u1ed9c \u0111\u1ebfn t\u1eeb quy \u0111\u1ecbnh, ho\u00e0n c\u1ea3nh ho\u1eb7c m\u1ed9t y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i.<\/li>\n
                • \u1ede th\u1ec3 ph\u1ee7 \u0111\u1ecbnh, hai t\u1eeb mang ngh\u0129a kh\u00e1c h\u1eb3n: “mustn’t” l\u00e0 c\u1ea5m l\u00e0m (You mustn’t smoke here), c\u00f2n “don’t have to” l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i l\u00e0m (You don’t have to come early).<\/li>\n<\/ul>\n

                  M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi d\u00f9ng modal verbs<\/strong><\/h2>\n

                  Ng\u01b0\u1eddi h\u1ecdc ti\u1ebfng Anh th\u01b0\u1eddng m\u1eafc m\u1ed9t v\u00e0i l\u1ed7i c\u01a1 b\u1ea3n khi s\u1eed d\u1ee5ng \u0111\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu. Ghi nh\u1edb c\u00e1c l\u1ed7i d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n vi\u1ebft c\u00e2u chu\u1ea9n h\u01a1n.<\/p>\n

                    \n
                  • Th\u00eam “to” sau modal verb: sai “I can to swim”, \u0111\u00fang “I can swim” (ri\u00eang “ought to” v\u00e0 “have to” lu\u00f4n \u0111i v\u1edbi “to”).<\/li>\n
                  • Chia \u0111\u1ed9ng t\u1eeb sau modal verb: sai “She must goes”, \u0111\u00fang “She must go”.<\/li>\n
                  • Th\u00eam “s” cho modal verb: sai “He cans help”, \u0111\u00fang “He can help”.<\/li>\n
                  • D\u00f9ng hai modal verb li\u1ec1n nhau: sai “She will can come”, \u0111\u00fang “She will be able to come”.<\/li>\n
                  • Nh\u1ea7m “mustn’t” v\u1edbi “don’t have to”: “mustn’t” l\u00e0 c\u1ea5m, “don’t have to” l\u00e0 kh\u00f4ng b\u1eaft bu\u1ed9c.<\/li>\n<\/ul>\n

                    V\u00ed d\u1ee5 v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i<\/strong><\/h2>\n

                    H\u00e3y t\u1ef1 l\u00e0m c\u00e1c b\u00e0i t\u1eadp sau r\u1ed3i \u0111\u1ed1i chi\u1ebfu v\u1edbi l\u1eddi gi\u1ea3i \u0111\u1ec3 c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c v\u1ec1 modal verbs.<\/p>\n

                    B\u00e0i 1: \u0110i\u1ec1n modal verb ch\u1ec9 kh\u1ea3 n\u0103ng: She ___ speak three languages. L\u1eddi gi\u1ea3i: can (di\u1ec5n t\u1ea3 kh\u1ea3 n\u0103ng \u1edf hi\u1ec7n t\u1ea1i).<\/p>\n

                    B\u00e0i 2: \u0110i\u1ec1n modal verb ch\u1ec9 l\u1eddi khuy\u00ean: You ___ see a doctor. L\u1eddi gi\u1ea3i: should (\u0111\u01b0a ra l\u1eddi khuy\u00ean).<\/p>\n

                    B\u00e0i 3: S\u1eeda l\u1ed7i: He can swims very well. L\u1eddi gi\u1ea3i: He can swim (sau modal d\u00f9ng \u0111\u1ed9ng t\u1eeb nguy\u00ean m\u1eabu, b\u1ecf “s”).<\/p>\n

                    B\u00e0i 4 (tr\u1eafc nghi\u1ec7m): Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang: You ___ wear a helmet when riding a motorbike. A. must B. can C. may D. would. \u0110\u00e1p \u00e1n: A (must \u2014 b\u1eaft bu\u1ed9c theo lu\u1eadt).<\/p>\n

                    B\u00e0i 5: \u0110i\u1ec1n must ho\u1eb7c have to: Students ___ wear a uniform because it is a school rule. L\u1eddi gi\u1ea3i: have to (b\u1eaft bu\u1ed9c kh\u00e1ch quan t\u1eeb quy \u0111\u1ecbnh).<\/p>\n

                    B\u00e0i 6 (d\u1ef1 \u0111o\u00e1n): \u0110i\u1ec1n may\/might \u0111\u1ec3 ch\u1ec9 kh\u1ea3 n\u0103ng th\u1ea5p: It ___ snow tonight, but I’m not sure. L\u1eddi gi\u1ea3i: might (m\u1ee9c \u0111\u1ed9 ch\u1eafc ch\u1eafn th\u1ea5p).<\/p>\n

                    B\u00e0i 7: Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang ngh\u0129a “kh\u00f4ng c\u1ea7n thi\u1ebft”: You ___ come to the meeting if you are busy. A. mustn’t B. don’t have to. \u0110\u00e1p \u00e1n: B (don’t have to \u2014 kh\u00f4ng b\u1eaft bu\u1ed9c).<\/p>\n

                    \"modal-verbs-2\"<\/p>\n

                    C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 modal verbs<\/strong><\/h2>\n

                    Modal verbs l\u00e0 g\u00ec?<\/strong><\/h3>\n

                    Modal verbs l\u00e0 nh\u00f3m \u0111\u1ed9ng t\u1eeb khuy\u1ebft thi\u1ebfu b\u1ed5 ngh\u0129a cho \u0111\u1ed9ng t\u1eeb ch\u00ednh, nh\u01b0 can, could, may, might, must, should, will, would, shall.<\/p>\n

                    Sau modal verb d\u00f9ng \u0111\u1ed9ng t\u1eeb g\u00ec?<\/strong><\/h3>\n

                    Sau modal verb lu\u00f4n d\u00f9ng \u0111\u1ed9ng t\u1eeb nguy\u00ean m\u1eabu kh\u00f4ng “to”, kh\u00f4ng chia theo th\u00ec hay theo ng\u00f4i.<\/p>\n

                    Modal verb c\u00f3 th\u00eam “s” \u1edf ng\u00f4i th\u1ee9 ba kh\u00f4ng?<\/strong><\/h3>\n

                    Kh\u00f4ng, modal verb gi\u1eef nguy\u00ean h\u00ecnh th\u1ee9c v\u1edbi m\u1ecdi ng\u00f4i, k\u1ec3 c\u1ea3 he, she, it.<\/p>\n

                    “should” d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/strong><\/h3>\n

                    “should” d\u00f9ng \u0111\u1ec3 \u0111\u01b0a ra l\u1eddi khuy\u00ean ho\u1eb7c n\u00f3i v\u1ec1 \u0111i\u1ec1u n\u00ean l\u00e0m.<\/p>\n

                    “must” v\u00e0 “have to” kh\u00e1c nhau th\u1ebf n\u00e0o?<\/strong><\/h3>\n

                    Must l\u00e0 b\u1eaft bu\u1ed9c mang t\u00ednh ch\u1ee7 quan t\u1eeb ng\u01b0\u1eddi n\u00f3i, c\u00f2n have to l\u00e0 b\u1eaft bu\u1ed9c kh\u00e1ch quan do quy \u0111\u1ecbnh ho\u1eb7c ho\u00e0n c\u1ea3nh b\u00ean ngo\u00e0i.<\/p>\n

                    C\u00f3 th\u1ec3 d\u00f9ng hai modal verb li\u1ec1n nhau kh\u00f4ng?<\/strong><\/h3>\n

                    Kh\u00f4ng, kh\u00f4ng d\u00f9ng hai modal verb li\u1ec1n nhau. Thay v\u00ec “will can”, b\u1ea1n d\u00f9ng “will be able to”.<\/p>\n