I. Rewrite sentences without changing meaning of the original ones.

1.You spent more money during the trip than I did.

=> I didn’t_______________________________________________________________

2. Have you ever been to Kuala Lumpur before?

=> Is this your____________________________________________________________

3. China is a huge tourist attraction: it has many old castles and pagodas.

=> As China______________________________________________________________

4. I found this place rather boring.

=> I wasn’t_______________________________________________________________

5. We last went to Spain three years ago.

=> It is__________________________________________________________________

6. We visited a magnificent old house on the plateau.

=> The__________________________________________________________________

7. My father started to work in this factory last week

ÒMy father has…………………………………………

8. He started living in Ho Chi Minh city when he was 8

ÒHe has …………………………………………………………………………

9. He learnt English when he was 18

ÒHe has ………………………………………………………………………………

10. They have worked in that factory for five years.

ÒThey began ……………………………………………………………..

11. We have learnt English for four years.

ÒWe started...........................................................................................................

12. He started working in this company 5 years ago

ÒHe has……………………………………………………………………………

II.Write conditional sentences according to the ideas suggested:
1.Mary doesn’t see the sight. She can’t tell you about that.
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--2.It wasn’t fine yesterday. We didn’t go for a walk.
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3.I saw it with my own eyes. I believed it.
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4.The accident happened because the driver didn’t see the stop sign.
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5.You can’t come late or they won’t let you in.
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-6.I don’t know Greek, so I can’t tell you about that.
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-7.Gravity keeps people from being hurled off the earth as it whirls around.
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-8.Stop talking or you won’t understand the lesson.

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-9.The church bells keep me from sleeping.
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10.Go right now or you’ll be late for the train.
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80. We must take steps to preserve natural resources, or the planet will be in danger.

à Unless……………………………………………

81. It’s such a pity your sister can’t come as well.

à If only……………………………………………

82. The soil would become poor unless the farmer added fertilizers.

à If ……………………………………………

83. You probably won’t have time, but I’d like you to come and see.

à If ……………………………………………

84. There were such a lot of traffic; that’s why we are late.

à Had……………………………………………

85. I couldn’t have managed it without your help.

à If_……………………………………………

86. It was her determination which enable her to get better so quickly.

à If……………………………………………

87. He doesn’t get a job, so he can’t pay his bills.

à If……………………………………………

88. She isn’t fit because she sits around too much.

à If……………………………………………

89. The fire brigade came immediately, so the house didn’t burn down.

à If_……………………………………………

90. Sue walked to work  in the rain and caught a cold.

àIf……………………………………………

91. We can’t bathe in this part of river because the water is too dirty.

à…………………….…………………………………………………………

92. We spend too much money on electricity because we have four air conditioners in our house.

à……………………….………………………………………………………

93. I can’t write to Linh because I don’t have her address.

à……………………….………………………………………………………

94. Dick often causes accidents because he drives carelessly.

à……………………….………………………………………………………

95. We can’t give much help to the poor because we waste a lot of money on unnecessary things.

à……………………….………………………………………………………

96. Without this treatment, the patient would have died.

à If he ……………………………………………

97. We got lost because we didn’t have a map.

àIf we ……………………………………………

IV. Fill in the blanks:
1. If it had not rained, we (go)_______ camping.
2. If he (speak)_______ more slowly, I could have understood him.
3. What_______you (do)_______ if you were a mokey?
4. If he had listened carefully, he (perform)_______well in his examination.
5. If I find your book, I (give)_______ it to you.
6. If you came with us, you (have)_______ a good time.
7. If I (not/miss)_______ the bus, I could have come early.
8. If I took a trip this summer, I (go)_______ to DatLat.
9. If he (not/steal)______ the wallet, he (not/be)_______ in prison now.
10. If they (invite)____ yesterday, I (be)_____ is a good day tomorrow.
11. We (go)_______ swimming if it (be)_______ a good day tomorrow.
12. If the weather (be)_______ nice last day, I (go)_______ for a walk.
13. My dog always barks if he (hear)_______ anything unusual.
14. If he (not/ do)_______ come soon, I'm not going to wait.
15. If the phone (ring)_______, can you answer it?
16. If it rains this evening, I (not/will)_______ go out.
17. If she (come)_______, she will ghe a surprise.
18. If we had had enough money, we (buy)_______ that house.

V : Rewrite the following sentences using “Unless”
1. I won’t go to school if I don’t feel better.

……………………………………………
2. Tony will talk to you if you question him.

……………………………………………
3. If you don’t put on your overcoat, you’ll be cold.

……………………………………………
4. You will fail the exam if you don’t work hard.

……………………………………………
5. You’ll get a cold if you don’t keep your feet dry.

……………………………………………
6. If I don’t leave now, I’ll miss my flight.

……………………………………………
7. If you aren’t going to the party, I won’t go.

……………………………………………
8. I can’t send you a postcard if you don’t give me your address.

……………………………………………
9. If I won a big prize in a lottery, I’d build a school for the poor.

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

……………………………………………