VietJack com Facebook Học Cùng VietJack Học trực tuyến khoahoc vietjack com Youtube Học Cùng VietJack MUST – CAN’T 1 Cách sử dụng Must Must (phải) có hình thức phủ định là Must not (Mustn’t), được dùn[.]
VietJack.com Facebook: Học Cùng VietJack MUST – CAN’T Cách sử dụng Must Must (phải) có hình thức phủ định Must not (Mustn’t), dùng để: a Diễn đạt cần thiết, bắt buộc Eg: You must get up ealier in the morning (Bạn nên thức dậy sớm vào buổi sáng.) b Đưa lời khuyên yêu cầu nhấn mạnh Eg: You must be here before a.m tomorrow (Bạn phải trước 8h sáng mai.) c Đưa suy luận có tính chắn cao Eg: You must be tired after a long walk (Sau chuyến dài bạn mệt rồi.) d Mustn’t dùng để cấm đoán Eg: You mustn’t use the office phone for private calls (Bạn không sử dụng điện thoại công ty vào việc riêng.) Cách sử dụng Can’t Can’t hình thức phủ định Can, dùng để: a Nói khả (khơng biết làm gì) Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack Eg: I can’t swim (Tôi bơi.) b Từ chối lời xin phép Eg: You can’t sit there Those seats are reserved (Bạn khơng thể ngồi Những chỗ đặt trước rồi.) c Chắc chắn điều xảy Eg: Harry can’t know how to ride a bike He’s never been on one (Harry biết xe đạp Anh chưa ngồi xe đạp cả.) Cấu trúc Must/ Can + have VpII a Must + have + VpII dùng để diễn đạt điều chắn xảy khứ Eg: I’ve lost one of my gloves I must have dropped it somewhere (Tôi bị găng tay Chắc đánh rơi đâu đó.) b Can’t + have + VpII dùng để diễn đạt điều chắn khơng thể xảy khứ Eg: Daniel can’t have caught the bus It doesn’t run on Sundays (Daniel chắn khơng bắt xe bt Nó khơng chạy vào Chủ Nhật.) Bài tập Must, Can’t Exercise Hoàn thành câu theo động từ: might, might not, must, mustn’t, can, can’t Don’t stand up in the boat! You might fall in the river! You really ………………… start spending more time on your work That’s a really stupid idea! You ………………… be serious, surely! Don’t be silly You ………………… expect me to believe you! I learn to fly! You ………………… be joking! Sue says she’s stuck in traffic and she ………………… be late Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack Đáp án: must can can’t must might Exercise Điền vào chỗ trống với modal verb: must have been, can’thave been, have to/had to (be), didn’t have to (be) John didn’t have to be at the bank until 10, so he arrived here five minutes ago He knows a lot about flying plane He …………… a pilot when he was young We had enough foreign currency left at the end of the holiday, so I …………… buy any more There …………… an accident on South Street because the road is closed off You …………… waiting long After all, I’m only five minutes late Vera …………… at the supermarket this morning I didn’t see her there Đáp án: must have been didn’t have to must have been didn’t have to be can’t have been Exercise Choose MUST or CAN’T The baby has just had his bottle of milk He must be hungry You have lived here for so many years You know a lot of people! He has been on duty all night He be exhausted She always makes people repeat She be a bit deaf Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack I wonder who is at the door It _ be Doris, she is still at work He knows a lot about biology He be fond of the subject The people next door _ be absent Their shutters have been closed for two weeks It has been raining for weeks The tourists enjoy their time! Đáp án: must must must can’t must must can’t Exercise Choose MUST or CAN’T You've been travelling all day You must be tired That restaurant be very good It's always full of people That restaurant be very good It's always empty I'm sure I gave you the key You have it Have you looked in your bag? You're going on holiday next week You be looking forward to it It rained every day during their holiday so they have had a very nice time Congratulations on passing your exam You be very pleased You got here very quickly You have walked very fast Bill and Sue always travel business class so they be short of money Đáp án: must can't Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack must must can't must must can't Exercise Read the situations and use the words in bracket to write sentences with must have and can't have The phone rang, but I didn't hear it (I/asleep) I must have been asleep The jacket you bought it very good quality (it/very expensive) I haven't seen the people next door for ages (they/go away) I can't find my umbrella (I/leave/it in the restaurant last night) Dave,who is usually very friendly, walked past me without speaking (he/see/me) There was a man standing outside the café (he/wait/for somebody) Đáp án: It must have been very expensive They must have gone away I must have left it in the restaurant last night He can't have seen me He must have been waiting for somebody Exercise Make sentences using can or must Ha / play games in the afternoon / his homework in the evening Ha can play games in the afternoon, but he must his homework in the evening Loan / play badminton on Sundays/ the housework first Ba watch television in the evening / go to bed early Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack Lan / go out in the afternoon / her homework in the evening They / go to school at 6.30 / have breakfast at six o’clock He / go to work at o’clock / get up at 5.30 Đáp án: Loan can play badminton on Sundays but she must the housework first Ba can watch television in the evening, but he must go to bed early Lan can go out in the afternoon, so she must her homework in the evening They can go to school at 6.30, so they must have breakfast at six o’clock He can go to work at o’clock, so he must get up at 5.30 Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack