Modals (Động từ khuyết thiếu)

1. Choose the correct options.

(Chọn phương án đúng.)

1. I want to lose weight, so I _______ eat healthy food from now on.

A. mustn't

B. must

C. can't

D. could

2. You ______ tidy the equipment. I'll do it.

A. don't have to

B. mustn't

C. shouldn't

D. can't

3. Children ________ enter this area. It's against the rules.

A. aren't able to

B. couldn't

C. don't have to

D. mustn't

4. They ______ meet us later, but they don't know yet.

A. might

B must

C. should

D. could

5. Ray_______ swim when he was ten, but he can now.

A. mustn't

B. shouldn't

C. couldn't

D. didn't have to

6. If you want my advice, you ______ drink more water.

A. can't

B. shouldn't

C. should

D. are able to

7. Beth _________ leave school early yesterday because she had a terrible headache.

A. had to

B. can

C. could

D. may

8. I can run very fast, so I ________ win the race last weekend.

A. can

B. was able to

C. had to

D. should

9. You're always tired. You _________ stay up late every night.

A. can't

B. don't have to

C. shouldn't

D. couldn't

10. There's a Sports Day at school on Friday, so we ________ give our homework to our teacher until Monday.

A. mustn't

C. aren't able to

B. didn't have to

D. don't have to

11. Richard isn't sure, but he ________ start swimming lessons soon.

A. could

B. may

C. has to

D. must

12. Sue ________ run 10 kilometres because she practises every day.

A. is able to

B. should

C. must

D. could

2. Rewrite the sentences using the words in brackets.

(Viết lại các câu sử dụng từ trong ngoặc.)

1. I advise you to eat more fruit and vegetables. (SHOULD)

(Tôi khuyên bạn nên ăn nhiều trái cây và rau quả hơn.)

You should eat more fruit and vegetables.

(Bạn nên ăn nhiều trái cây và rau quả hơn.)

2. It's necessary for Lily to work out every day to maintain a healthy weight. (HAS TO)

(Lily cần phải tập thể dục hàng ngày để duy trì cân nặng khỏe mạnh.)

3. He managed to get two circus tickets although there were few tickets left. (WAS ABLE TO)

(Anh ấy đã giành được hai vé xem xiếc mặc dù còn rất ít vé.)

4. It's possible that she'll lose weight with her new diet. (MIGHT)

(Có khả năng cô ấy sẽ giảm cân nhờ chế độ ăn kiêng mới của mình.)

5. It isn't a good idea for you to eat too much junk food. (SHOULDN'T)

(Ăn quá nhiều đồ ăn vặt không phải là ý kiến hay.)

6. It's my obligation to eat healthy food and exercise regularly. (MUST)

(Nghĩa vụ của tôi là ăn thực phẩm lành mạnh và tập thể dục thường xuyên.)

3. Fill in the gaps with mustn't, doesn't have to, didn't have to, were able to, should or may.

(Điền vào chỗ trống với mustn’t, doesn’t have to, didn’t have to, were able to, should hoặc may.)

1. I __________ join the gym next month. I'm not sure yet.

2. Ann ________ change her diet. She always eats healthy food.

3. Our team was tired yesterday evening, but we ________ win the game.

4. Players ________ kick the ball. It's against the rules.

5. You _________ join an exercise class to get in shape.

6. We _________ catch the bus yesterday. Dad picked us up in his car.