tài nguyên trường thpt lê hồng phong

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<b>EXERCISE 12.8.1 Put the verb in brackets in the correct form.</b>

1. “I expect it will rain this afternoon.” – “If it (rain) ……….. we (not
go) ……….. swimming.

2. If you (be) ……….. really my friend, you’d lend me the money.
3. We (have) ……….. to use the stairs, it the lift still doesn’t work.
4. My dog always wakes me up if he (hear) ……….. strange noises.
5. Come on! Hurry up! Ann (be) ……….. annoyed if we (be)

……….. late.

6. If Laura (not eat) ……….. so much, she wouldn’t have put on weight.
7. We could go for a drive if today (be) ……….. Sunday.

8. Thank you for your help. If you (not help) ……….. me, I (not pass)
……….. the examination.

9. If I (have to) ……….. go back to work full time, I would quit my job.
10. Supposing the computer (break down) ……….., what would you do?
11. What (you/do) ……….. if you (be) ……….. in my

situation?

12. Their marriage only lasted three months. If he (be) ……….. less
mean, she (not leave) ……….. him.

13. If you (press) ……….. that button, a receptionist (come)
……….. to help you.

14. If you (heat) ……….. water to 100 degrees centigrade, it (boil)

………..

15. The film was marvellous. If you (come) ……….. with us, you (enjoy)
……….. it, too.

16. Imagine, darling. What (we/ do) ……….. if your husband (have)
……….. an accident?

17. Were it to rain tomorrow, the match (be) ……….. postponed.
18. If I (meet) ……….. you earlier, I wouldn’t have married Jane.

19. It’s a beautiful house, and I (buy) ……….. it if I (have)
……….. the money, but I can’t afford it.

20. Had I known she was so ill, I (not go out) ………..

21. Jim is so untidy! If he (buy) ……….. some new clothes, he (not look)
……….. so bad!

22. If you (look after) ……….. the car, it will never break down.

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26. It’s a pity David wasn’t at the party. He (be) ……….. very amused.
<b>EXERCISE 12.8.2 Rewrite these sentences to begin with an Imperative + and/ or +</b>
<b>clause.</b>

Example: a. If you fail to pay, they’ll cut off the electricity.
→ Fail to pay and they’ll cut off the electricity.

b. If you don’t stop borrowing money, you’ll be in trouble.
→ Stop borrowing or you’ll be in trouble.

1. If you ask me nicely, I’ll mend it for you.

→………...
2. You might fall if you are not careful.

→………...
3. If you don’t take a taxi, you’ll miss your train.

→………...
4. If you don’t hurry, you’ll be late.

→………...
5. If you listen carefully, you’ll find the correct answer.

→………...
<b>EXERCISE 12.8.3 Rewrite these sentences, using If</b>

Example: a. Fail to pay and they’ll cut off the electricity.
→ If you fail to pay, they’ll cut off the electricity.
b. Stop borrowing or you’ll be in trouble.

→ If you don’t stop borrowing money, you’ll be in trouble.
1. Listen to the teacher or you won’t understand the lesson.

→………
2. Come with me and you’ll have a great time.

→………
3. Don’t touch that wire or you may get an electric shock.

→………
4. Make a start now and you’ll arrive on time.

→………
5. I must leave now, or I will miss the bus.

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1. Of course I’m not going to give her a diamond ring. If I (give) ________________
her a diamond ring, she (sell) ________________ it.

2. The job is much worse than I expected. If I (realise) ________________ how
awful it was going to be, I (not except) ________________ it.

3. Mark isn’t a serious athlete. If he (train) ________________ harder, he (be)
________________ quite a good runner.

4. If we (work) ________________ all night, we (finish) ________________ in
time, but we have no intention of working all night.

5. If you (have) ________________ three wishes, what (you/wish) ______________
for?

6. Why didn’t you say that you were short of money ? If I (know) _______________
about that, I (lend) ________________ you some.

7. Jim is so untidy! If he (buy) ________________ some new clothes, he (not look)
________________ so bad!

8. Why didn’t you phone? I (know) ________________ you were coming, I (meet)
________________ you at the airport.

<b>EXERCISE 12.8.5 Finish the incomplete sentences in such a way that each one the</b>
<b>same as the complete sentence before it.</b>

1. Go to Britain and you’ll be able to speak English all day long.

→………
2. You’ll get sunburnt by sunbathing all day long.

→………
3. My phone number isn’t in the directory, so people don’t ring me up.

→………
4. You’ll avoid waiting by booking a table in advance.

→………
5. She is always late because she hasn’t got a watch.

→………
6. Why don’t you come with us? You’ll enjoy it.

→………
7. My family own a holiday flat and that’s why we always go to the same place.

→………
8. I can’t go on holiday because I’ve got a holiday job this summer.

→………
9. I couldn’t get in touch because you didn’t tell me where you were staying.

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10. You press this button to stop the machine.

→………
11. My husband didn’t leave the car keys so I couldn’t pick him up at the station.

→………
12. I don’t know her number. I can’t phone her.

→………
13. Mr.Mills lost his job because he was late every day.

→………
14. People don’t understand him because he doesn’t speak clearly.

→………
15. The accident happened because the driver in front stopped so suddenly.

→………
16. John wants to buy a car, but he hasn’t got enough money.

→………
<b>EXERCISE 12.8.6 Rewrite each sentence, beginning as shown, so that the meaning</b>
<b>stays the same.</b>

1. The speaker was ill suddenly and they cancelled the lecture.

→ If ………
2. I am in a hurry. I won’t stay for dinner.

→ If ………

3. He can’t type. He isn’t able to operate a computer.

→ If ………
4. I was able to buy the car because Jim lent me the money.

→ If ………
5. He doesn’t have time to do exercises, that’s why he is unhealthy.

→ If ………
6. Lucky you were here, or the house would have caught fire.

→ If ………
7. The police showed me the way, so I found the house.

→ If ………
8. John is fat because he eats so many chips.

→ If ………
9. John missed the ferry because his car broke down.

→ If ………
10. I didn’t know your number, so I didn’t call you.

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11. Make me some coffee, and I’ll give you one of my biscuits.

→ If ………
12. If I’d gone to the party, I’d have met Melanie.

→ Had ………
<b>EXERCISE 12.8.7 Rewrite each sentence, beginning as shown, so that the meaning</b>

<b>stays the same.</b>

1. Without Jack’s help, I wouldn’t have been able to move the table.

→ If ………
2. If you changed your mind, you’d be welcome to join us.

→ Were you ………...
3. I wouldn’t accept if you asked me to marry you.

→ If you were ………
4. I didn’t enjoy my holiday there and so I am not going back.

→ If ………
5. If the guests arrived this week, there’d be no rooms available.

→ Were the guests ……….
6. You’re tired now because you went to bed so late last night.

→ If ………
7. She can meet him if he arrives before eleven.

→ So………...
8. You can borrow the car, but you’ve got to fill it up with petrol.

→ Provide ……….
9. She doesn’t know anything about first aid, so she couln’t help him.

→ If ………
10. I didn’t look after my teeth, and now I’ve got false ones.

→ If ………
11. You drink too much coffee, that’s why you can’t sleep.

→ If ………
12. He would have lent you his violin if you’d asked him.

→ Had ………
13. Without your help, I couldn’t have done it.

→ If ………
→ If it ……….
<b>EXERCISE 12.8.8 Finish the second sentence in each pair.</b>

1. If you don’t do better work than this, you won’t pass the exam.

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2. You can’t visit the United States unless you get a visa.

If ………
3. Unless someone has a key, we can’t get into the house.

We can only get ……….
4. Unless he phones immediately, he won’t get any information.

If ……….
5. If Joe doesn’t change his ways, he will end up in prison.

Unless ……….
6. If he doesn’t work harder, he’ll lose his job.

Unless ……….
7. If it rains, we won’t go swimming.

Unless ……….
8. You will become ill unless you stop working so hard.

If ……….
9. If you work hard, you’ll pass your exam.

Unless ……….
10. Unless you hurry, you won’t catch the bus.

If ……….
11. If he doesn’t start work right now, he’ll never finish it.

Unless ……….
12. We won’t get there on time without taking a taxi.

Unless ……….
13. Joan will stay on at school unless she finds a good job before September.

If ……….
14. If you don’t rest, you really will be ill.

Unless ……….
15. The child will die if nobody sends for a doctor.

Unless ……….
16. You won’t find any accommodation if you don’t book it in advance.

Unless ……….
17. You will catch a cold if you don’t keep your feet dry.

Unless ……….
18. I’ll call the police if you don’t leave me alone.

Unless ……….
19. Put more salt in or you won’t be able to taste it.

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Unless ……….
<b>EXERCISE 12.8.9 Put IF or UNLESS in the spaces in these sentences.</b>

1. I wouldn’t buy it _________ it had a guarantee.
2. _________ we hurry, we’ll miss the bus.

3. _________ I were you, I’d see the doctor about that cough.

4. You won’t pass your driving test _________ you drive more carefully.
5. Who would you ask _________ you didn’t know how to do it?

6. I’d buy it _________ I could afford it.

7. We’ll never get there on time _________ the train leaves soon.
8. I wouldn’t buy it _________ I could afford it.

9. I would refuse to go _________ they paid my expenses.
10. He’ll be ill _________ he doesn’t stop working.

<b>EXERCISE 12.8.10 Underline the correct word(s) for each sentencs.</b>
1. You can use my car (unless/ as long as) you drive carefully.

2. I’m playing tennis tomorrow (unless/ providing) it’s raining.

3. We’re going to start painting the house tomorrow (unless/ provided) it’s not
raining.

4. You can smoke in here (unless/ as long as) you leave a window open to let the
smoke out.

5. He won’t lend you any money (unless/ as long as) you promise in writing to pay
him back.

6. The children can stay here (unless/ providing) they don’t make too much noise.
7. I’m going to now (unless/ provided) you want me to stay.

8. (Unless/ So long as) you work hard, you’ll fail your exams.

9. I’ll give you £100 (provided that/ unless) you say nothing about this.

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