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5. Rephrase the following using unless.

Model: If the neighbours don’t stop shouting, I’ll call the police. –

Unless the neighbours stop shouting, I’ll call the police.

1. If he doesn’t pay the fine, he may go to prison.

2. If the traffic isn’t heavy, we should arrive by 10 p.m.

3. If the Chinese restaurant isn’t open, we’ll go for a pizza.

4. If the athlete can’t improve his speed, he won’t break the record.

5. If you don’t do that again, I’m not going to tell him.

6. I won’t call you if I don’t have free time.

7. I won’t buy this watch if Meg doesn’t like it.

6. Put the verbs in brackets in the correct form in 1-4 type conditional sentences.

1. Supposing you (have) a chance to spend a year in space, would you take it?

2. It (be) awkward if she (refuse) to co-operate.

3. What if the Internet (invent)? Wouldn’t that be weird?

4. If I find your passport, I (telephone) you at once.

5. Suppose you (can) travel back in time. Where would you go?

6. What will happen if my parachute (not open)?

7. Half of the people would distrust you if you (go) away at such a moment.

8. If you were not so lazy, you (pass) the exams successfully.

9. If we allowed him to go on with his experiments we (have) never any peace.

10. If Irene (be) present, the family circle would have been complete.

11. You won’t be believed if you (tell) the truth.

12. If your wife doesn’t like the ring, I (be) happy to exchange it at any time.

13. Even if I (be) a stranger, he would have talked of his misfortune.

14. If you (not listen) to common sense there’s no point my talking to you.

15. If you had taken the medicine then, you (be) well now.

16. If he had been paying attention, he (know) what to write now.

17. If you (read) the instructions carefully, you wouldn’t have to send for a specialist now.

18. You (be) of great use to me now if you had learnt to type.

19. The company would be at the forefront of the market now if (not be) for the downturn in the economy last year.

20. If you had touched that electric cable, you (not sit) here with us.

21. If you had passed your examination, we (have) a celebration tonight.

7. Underline the correct form.

1. Even if / Supposing you could visit any country in the world. Where would you go?

2. I would like to thank the colleagues who have made invaluable contributions: unless / but for their help, this project would not have been possible.

3. You must register your copy of the CD-ROM on line, otherwise / unless it will not work.

4. If the government were to / should balance the budget, it would be able to increase spending.

5. You can easily get into trouble if you happen to be / on condition that you are in the wrong place at the wrong time.

6. We will give you a guaranteed price of $150 for your old computer, even if / otherwise it doesn’t work.

7. According to the survey, most people are happy to welcome foreigners to their country, as long as / otherwise they don’ start behaving like foreigners.

8. Please don’t interrupt the lesson as long as / unless you have an important point to make.

9. If he should happen to have / if it hadn’t been for a leg injury, Adams would probably have won the race.

10. I always watch TV in the evenings if / unless I go out.