15. Употребите глаголы, данные в скобках, в нужном времени (Present Indefinite или Future Indefinite):

1. If the car (be) out of order again, you (have to) call the service station, but I doubt if they (be able to) serve it very quickly. 2. Nobody (know) what (happen) in ten or twenty years if life (get) tougher and tougher. 3. I wonder if they (turn) to us if any need (arise). 4. My little son (want) to know if there (be) some cartoons on TV on Saturday. If there (be) some, he certainly (watch) them. 5. Everybody (be interested) if the weather (change) for the better next week. 6. I (leave) a message at the office in case the customer (phone). But it’s difficult to say if he (do) it today. 7. He (wonder) if Caroline (change) her mind about going to the party. If that (happen), he’ll be really glad. 8. Nobody can definitely tell us when he (come) back from London. But as soon as he (return), we (get in touch) with him. 9. – If Linda (want) to learn Italian, she (have to) attend a special course. – I wonder if it (cost) her a lot. 10. We (have) the meeting this week provided no one (object). 11. I (be) always by your side as long as you (promise) to listen to me. 12. Not (speak) to her unless she (speak) to you first.

16. Раскройте скобки, употребив глаголы в нужном времени (Present Indefinite или Future Indefinite): An Important Visitor

The Middleburg Airport is full of people. They are waiting for an important visitor – the president’s wife, the First Lady. They are expecting her to arrive soon. She is going to attend the opening of a new rehabilitation center for war veterans built at the expense of the charity funds. The Mayor of Middleburg is waiting for the First Lady too. His administrative assistant is telling him the plans for the day.

1. She’ll be here soon. We (wait) until the plane (be) on the ground.

2. When the plane (land), the band (start) playing.

3. Your son (give) her some flowers when she (get) off the plane.

4. You (make) a speech before she (leave) the airport.

5. As soon as she (arrive) at the rehabilitation center the people (begin) cheering.

6. After she (attend) the opening, we (go) to the Pureboy Hotel.

7. When she (get) to the hotel, we (have) lunch.

8. After we (have) lunch, she (make) a speech.

9. Before she (leave) Middleburg, you (give) her a present, a souvenir of her visit.

17. Замените предложения с союзом if предложениями с союзом unless по образцу и переведите их:

Example: He will be here by 8 o’clock if he doesn’t have car trouble on the way.

He will be here by 8 o’clock unless he has car trouble on the way.

1. He’ll lose his hearing if the operation isn’t successful. 2. You’ll get a headache if you don’t wear your glasses. 3. We’ll go for a drive in the country if it doesn’t rain. 4. I’ll come to your party if I don’t have to work. 5. He ought to graduate in June if he doesn’t fail his exams. 6. He is coming on the 15th if there is no change of plan. 7. The trip to town takes half an hour if there is no traffic delay. 8. He can’t afford to go to college if he doesn’t win a scholarship. 9. That play isn’t worth seeing if the star is not appearing in it. 10. He will get in serious trouble if he doesn’t behave better. 11. The school should be finished next year if there is no strike of the construction workers. 12. The bill will become law if the president doesn’t veto it. 13. There will be a serious water shortage if we don’t get rain soon. 14. She hopes to buy that painting if her husband doesn’t object.