1. Закончите предложения, используя can и can't.

1. A cat can___ climb trees, but it can't fly.

2. A fish _________ walk, but it _______ swim.

3. A dog _________ bark, but it _________sing.

4. You _________buy stamps at the post office, but you _________-buy shoes there.

5. A tiny baby____________cry, but it______________ talk.

6. I ____________write with a pen, but I __________ write with a paper clip.

7. I _________ read a book by moonlight, but I _________ read in sunlight.

8. Trees _____________ produce oxygen, but rocks _________.

9. Fish _________ live in air, but they _________ live in water.

10. You _________ store water in a glass jar, but you _________store it in a paper bag.

11. You _________ drive from the Philippines to Australia, but you _________ drive from Italy to Austria.

12. You _________ ride on the back of a cat, but you _________ ride on the back of a horse.

13. Jack's friends are going to the park to play soccer. Jack wants to play too, but he has a broken toe, so he's on crutches. Jack _________ go to the park and watch the game, but he _________ play in the game.

14. Laurie has to go to the airport. The airport is 25 miles (40 kilometers) from her house. She _________ walk to the airport. It's too far. She _________ take a bus, however

2. Выразите предположение, используя модальные глаголы may, might

Например: Where are you going for your holidays? (to Italy???) – I haven’t finally decided yet but I may (might) go to Italy.

1. What sort of car are you going to buy? (a Mercedes???) – I’m not sure yet but I _________________________________________________________

2. What are you doing this weekend? (go to London???) – I don’t know for sure but ______________________________________________________

3. Where are you going to hang that picture? (in the dining room???) – I haven’t made up my mind yet but__________________________________

4. When is Tom coming to see us? (tomorrow evening???) – I’m not sure but __________________________________________________________

5. What’s Jill going to do when she leaves school? (do a secretarial course???) – She hasn’t decided yet but

3. Закончите предложения, используя must/mustn't.

1. Jill and Terry will be home from school soon. I ________(cook) their lunch.

2. If you are absent for more than three days, you ___________(bring) a letter from your doctor.

3. The dentist has told Alan he ______________(eat) any more sweet things. His teeth are in bad condition.

4. Let's catch an earlier train tomorrow. We _____________(be) late for the meeting.

5. Carol _______________(help) you with your homework. It is important that you do it yourself.

6. You look really tired. You studied all night last, so tonight you ____________(work) so hard.

7. You ______________(read) my letters/ They're ptivate.

4. Вставьте модальные глаголы must или have to

1.Last night Don suddenly became ill. We ____________ call the doctor.

2. I’m afraid I can’t come tomorrow. I _______________work late.

3. We couldn’t repair the car ourselves. We ________ take it to garage.

4.When you come to London again, you _________come and see us.

5. I ______ write to Ann. I haven’t written her foe ages.

Lesson 20