16. Измените предложения, выразите возможность с помощью глаголов may/might/ could

Пример: Perhaps my parents will be at home tomorrow. - My parents may/might/could be at home tomorrow.

1. Perhaps I'll see him on Monday.

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2. Perhaps he's waiting at the station.

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17. Измените предложения, выразите возможность с помощью глаголов may /might/ сould

Пример: They have left already.

-They may/might/could have left already.

1. Mr Smith went on business to France last night.

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2. He has been working all day.

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3. She didn't catch the 8 o'clock bus.

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4. The secretary forgot about the meeting.

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5. They left early.

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18. Дополните предложения глаголами may/might/ could, так чтобы выразить возможность в прошлом. Используйте слова из скобок.

Пример: Where was Sally last night? — (she/be/at the cine­ma) - She may/might/could have been at the cinema.

1. She walked straight past me. (she/not see/me)

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2. I can't find my purse anywhere. (I/leave/at home)

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3. John is late, (he/miss/the train)

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4. What was Peter doing yesterday? (he/work)

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5. What has Sally had for breakfast? (she/have/bacon and eggs and a cup of tea)

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6. What did that car cost? (it/$5,000)

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19. Измените каждое предложение, так чтобы оно содержало глаголы must, can't or couldn't.

Пример: I'm sure that Jack feels really lonely.

• Jack must feel really lonely.

1. I'm sure that Helen is over twenty.

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2. I'm sure he's not feeling very well.

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3. I'm sure she is playing tennis now.

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4. I'm sure it's not nine o'clock.

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5. I'm sure that he is not the thief.

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20. Измените каждое предложение, так чтобы оно содержало глаголы must/can't/ couldn't и выражало уверенность в событиях прошлого

Пример : Obviously it was a long journey. –

It must have been a long journey.

1. I'm sure she's passed her driving test.

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2. Certainly she saw us.

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3. I'm sure you've heard the news.

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4. I'm sure the bus has left.

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5. Obviously he was waiting for you outside the cinema.

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21. Дополните каждое предложение глаголом must, can't или couldn't.

7. The cat_________ __ be somewhere in the house.

8. 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 bed­ room.

4. Those shoes you bought are very nice. They ___________ _have been expensive.

6. You've been working very hard all day. You ____________ feeling very tired.