Exercise 24. Complete each sentence so that it contains must/can't/couldn't.
Date: 2015-10-07; view: 464.
Exercise 23. Rewrite the sentences. Use must/can't/ couldn't to express certainty about a past event.
Example: Obviously it was a long journey. It must have been a long journey.
1. I'm sure she's passed her driving test.
2. Certainly she saw us.
3. I'm sure you've heard the news.
4. I'm sure the bus has left.
5. Obviously he was waiting for you outside the cinema.
1. The cat be somewhere in the house.
2. Tom have been at the theatre yesterday! I know he is in hospital.
3. They be waiting for Jane at the airport. It's half past six now and her plane arrives at 7 p.m.
4. Annie be asleep. There's a light on in her bedroom.
5. Those shoes you bought are very nice. They have been expensive.
6. You've been working very hard all day. You be feeling very tired.
Exercise 25. Choose the best answer A or B.
1. There's someone at the door. It the postman.
A) can be; B) must be.
2. Jones president if Smith has to resign.
A) could be; B) must be.
3. Let's tell Diana. She know.
A) could not; B) might not.
4. In my opinion, the government something about this.
A) might do; B) should do.
5. — Why did you worry about me? I didn't take any risk. — You .
A) must have been injured; B) could have been injured.
6. Do you think we ask before we borrow the car?
A) ought to; B) could.
7. Don't stand in the boat! You fall in the river.
A) ought to; B) might.
8. Me learn to drive! You be joking!
A) must; B) should.
9. That's a stupid idea! You be serious, surely!
A) might not; B) cannot.
10. What I do in this awkward situation? Do you have any idea?
A) shall; B) could.
11. Why is the dog barking? It heard something.
A) can't have; B) must have.
12. You smoke at your age.
A) shouldn't; B) shan't.
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| Exercise 22. Rewrite each sentence so that it contains must, can't or couldn't. | | | Exercise 26. Match column A with column B. Use should/ought to to express certainty. |