Động Từ Khuyết Thiếu


Can, could, should, must,…Chúng ta đã có được học tổng thể lý thuyết về cồn từ khuyết thiếu. Hãy dành thời gian làm các bài tập hễ từ khuyết thiếu hụt để làm rõ và nhớ thọ hơn.

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Lý thuyết

Cùng ôn tập các triết lý cơ phiên bản trước khi đến phần bài bác tập cồn từ khiến cho khuyết nhé.

CAN / CAN’T: câu hỏi nào đó có/không thể xẩy ra hoặc fan nào đó có/không kĩ năng làm vấn đề gì.COULD / COULDN’T (quá khứ của CAN): thường dùng với các động từ đặc biệt quan trọng như see, hear, smell, taste, feel, remember, understand.BE ABLE TO: dùng cố cho CAN / COULD, cần sử dụng khi hy vọng nói tín đồ nào đó đã xoay xở có tác dụng được việc gì vào 1 tình huống cụ thể.MUST / MUSTN’T: tin chắc một điều nào đấy đúng/không đúng sự thật, nhiều khi mang nghĩa bắt buộc. MUST nói tới hiện tại cùng tương lai, còn HAVE TO sử dụng được trong toàn bộ các thể.MAY / MIGHT: việc nào đó hoàn toàn có thể xảy ra (ý nghĩa tương lai).SHOULD / OUGHT TO: dùng khi hy vọng đưa ra ý kiến, lời khuyên.

Lưu ý:

CAN, COULD, WOULD, MAY: được sử dụng trong câu đề nghị, yêu mong cho phép, lời mời (thường là câu hỏi)Các modal verb vẫn được dùng trong tình huống quá khứ: COULD / MUST / MAY / MIGHT / SHOULD + HAVE + quá khứ phân từCòn đa phần khi cần sử dụng thì hiện tại: MODAL VERB + V-bare (động tự nguyên mẫu)


6 bài bác tập đụng từ khiến cho khuyết rất cần thiết cho học viên củng nỗ lực kiến thức. Mời chúng ta theo dõi và thực hành nội dung này.

Exercise 1. Complete these sentences with can / can’t, could / couldn’t or be able khổng lồ (correct form). Sometimes it is possible to lớn use more than one modal verb

1) Tom……………drive but he hasn’t got a car.

2) I can’t understand Martin. I’ve never……………….understand him.

3) He had hurt his leg, so he……………..walk very well.

4) She wasn’t at home when I phoned, but I……………..contact her at the office.

5) I looked very carefully & I……………see a figure in the distance.

6) I used to…………..stand on my head but I can’t bởi it now.

7) They didn’t have any tomatoes in the first siêu thị I went to, but I……………get some in the next shop.

8) My grandmother loved music. She……………..play the piano very well.

9) Ask Ann about your problem. She should…………….help you.

10) The boy fell into the river but fortunately we……………..rescue him.

Exercise 2. Read a situation và write a sentence with must have or couldn’t have (done). Use the words in brackets

1) That dress you bought is very good quality. (It must / be / very expensive)

2) I haven’t seen Jim for ages. (He must / go away)

3) I wonder where my umbrella is. (You must / leave it on the rain)

4) Don passed the examination. He didn’t study very much on it. (The exam couldn’t / be / very difficult)

5) She knew everything about our plans. (She must / listen / lớn our conversation)

6) Dennis did the opposite of what I asked him khổng lồ do. (He couldn’t / understand / what I said)

7) When I woke up this morning, the light was on. (I must / forget / to turn it off)

8) I don’t understand how the accident happened. (The driver couldn’t / see / the red light)

9) The phone rang but I didn’t hear it. (I must / be / asleep)

10) She passed me in the street without speaking. (She couldn’t / see / me)


Exercise 3. Read the situation and decide what you want to lớn say. Use modal verbs

1) You have khổng lồ carry some heavy boxes upstairs. Ask someone to help you.

2 You want your friend to show you how to lớn change the film in your camera. What vì you say to lớn him/her?

3) You’re on a train. The woman next lớn you has finished reading her newspaper. Now you want to lớn have a look at it. What bởi vì you say?

4) You need a match to lớn light your cigarette. You haven’t got any but the man sitting next lớn you has some. What bởi vì you ask him?

5) There is a concert on tonight & you are going with some friends. You think Tom would enjoy it too. Invite him.

6) You’re in the post office. You want three stamps for Japan. What vày you say?

7) You’re sitting in a crowded bus. There is an ola lady standing. Offer her your seat.

8) You’re in a oto with a friend, who is driving. He is going to to park the oto but there is a NO PARKING sign. You see the sign và say…

9) A friend has just come to lớn see you in your flat. Offer him something khổng lồ drink.

10) You are at the interview. You want khổng lồ smoke a cigarette. What bởi you ask?

Exercise 4. Complete these sentences with must (not) or (not) have to (correct form)

1) You really…………work harder if you want to lớn pass that examination.

2) Many children in Britain……………wear uniform when they go to lớn school.

3) Last night Don suddenly became ill. We………….call the doctor.

4) I can stay in bed tomorrow morning because I…………….work.

5) What ever you do, you……………touch that switch. It’s very dangerous.

6) Ann has…………..wear glasses since she was eight years old.

7) I’m afraid I can’t come tomorrow. I…………..work late.

8) I’m sorry I couldn’t come yeaterday. I……………..work late.

9) You…………….forget what I told you. It’s very important.

10) Tom may…………..go away next week.

11) We couldn’t repair the car ourselves. We……………take it lớn the garage.

12) She………….get up so early. She gets up early because she prefers to.

13) We…………..leave yet. We’ve got plenty of time.

14) When you come to London again, you……………come & see us.

15) I don’t want anyone lớn know. You………….tell anyone what I said.

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Exercise 5. Choose the correct answer

1) Which sentence is correct?

A. We should lớn leave soon.

B. We should leaving soon.

C. We should leave soon.

2) We………….visit Tom when we are in London.

A. Didn’t ought B. Ought C. Should

3) Which question is correct?

A. We should hotline the police?

B. Should we gọi the police?

C. Vì chưng we should call the police?

4) Which sentence is correct?

A. We ought have a buổi tiệc ngọt to celebrate Kate’s birthday.

B. We ought khổng lồ have a tiệc ngọt to celebrate Kate’s birthday.

C. We should to lớn have a tiệc nhỏ to celebrate Kate’s birthday.

5) You…………..ride a motorbike without a helmet.

A. Shouldn’t B. Ought C. Ought not

6) Which question is correct?

A. Ought we khổng lồ tell Jane the news?

B. Ought we tell Jane the news?

C. We ought to tell Jane the news?

7) Which sentence is NOT correct?

A. Nick may have missed the train.

B. Nick must have missed the train.

C. Nick ought have missed the train.

8) Which sentence is NOT correct?

A. I may have left the khung at home.

B. He can’t have got lost.

C. Joseph must have forget about the party.

9) We……………not have bought enough biscuits for everyone.

A. May B. Should C. Must

10) Which sentence means “Maybe John went to the shop”?

A. John might not have gone khổng lồ the shop.

B. John may have gone to lớn the shop.

C. John must have gone to the shop.

Exercise 6. Read the situations và write a sentence with should (not), should / shouldn’t have

1) Tom has just been offered a job. You think it would be good idea for him to lớn accept it.

2) It’s very cold. Mr. Taylor, who has been ill recently, is walking along the road without a coat.

3) We went for a walk. While we were talking, we got hungry but we hadn’t brought anything with us lớn eat.

4) You think it would be a good idea for all motorists to wear seat-belts.

5) I went lớn Paris. Marcel lives in Paris but I didn’t go to see him while I was there. When I saw him later, he said…

6) The notice says that the siêu thị is mở cửa every day from 8:30. It is now 9 o’clock but the shop isn’t open.

7) The driver in front stopped suddenly without warning and I drove into the back of his car. It wasn’t my fault.

8) You don’t think it would be a good idea for Jill và Sam lớn get married.

9) Your friend has a bad cold. Tell him that you think it would be a good idea for him khổng lồ stay at trang chủ this evening.

10) The accident happened because I was driving on the wrong side of the road.



Exercise 1:

1) can / is able lớn 2) been able khổng lồ 3) couldn’t / wasn’t able to

4) was able khổng lồ 5) could / was able lớn 6) be able to lớn 7) was able to

8) could / was able to lớn 9) be able khổng lồ 10) were able to

Exercise 2:

1) It must have been very expensive.

2) He must have gone away.

3) You must have left it on the train.

4) The exam couldn’t have been very difficult.

5) She must have listened to our conversation.

6) He couldn’t have understood what I said.

7) I must have forgotten to lớn turn it off.

8) The driver couldn’t have seen the red light.

9) I must have been asleep.

10) She couldn’t have seen me.

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Exercise 3:

1) Could you give me a hand with these boxes?

2) Could you show me how to lớn change the film?

3) May I have a look at your newspaper?

4) Could you give me a light?

5) Would you lượt thích to come lớn the concert tonight?

6) May I have three stamps for Japan?

7) Would you like a seat?

8) You can’t park here.

9) Can I get you something to lớn drink? / Would you like something to drink?

10) May I smoke?

Exercise 4:

1) must / have to 2) have khổng lồ / must 3) had to lớn 4) don’t have to lớn 5) mustn’t