Bài tập ôn thi học sinh giỏi

Conditional sentences
Exercises 1: Supply correct form of the verbs in parentheses.
1. What you (do) if I hadn’t lend you the money?
2. If you had asked me for ticket, I (get) you some tickets.
3. I (not marry) him If I had known what he was like.
4. I wouldn’t have hired a car if I (know) how expensive it was.
5. If we (go) to the cinema earlier, we wouldn’t have missed the start of the film.
6. If I had been born a year earlier, I (have) to do military service.
7. If you (ask) me , I would have lend you my car.
8. If I had gone to university, I (get) a better job.
9. I (not go) out yesterday , If you had asked me not to.
10.I could have given you a lift if my car (not break) down.
11.I (not go) to Britain if I had known what was going to happen.
12.I would have stay longer if he( want) me to.
13.I (not come) to this school if I had known it was like.
14.We would have gone to his party if we be able to find a baby – sister.
15.. I (visit ) you in the hospital if I had known you were there.
Exercises 2 :Complete the sentences with the words in parentheses
1.I might have enough time tonight.
If I (have) enough time, i (write) a letter to my cousin.
2. The weather is terrible to day.
If the weather(be) good, I(go) for a five - mile - walk.
3. Mary didn’t come to my party last week.
If she (come) to my party, she (meet) my friends.
4. Snow is predicted for tomorrow.
If it (snow) tomorrow, I( stay) at home.
5. Jack didn’t study for the test.
If he( study), he( pass) it.
6. Air plane tickets are expensive.
If they( be) cheap, I (fly) to Ho Chi Minh city for weekend.
7. May be the weather will be nice tomorrow.

If the weather( be) nice, I( go) for a long walk.
8. Unfortunately, I don’t have enough money.
If I( have) enough money, I( buy) a ticket to the rock concert.
9. I didn’t know it was your birthday yesterday.
If I( know) it was your birthday yesterday. I (get) you a present.
10. I’m tired.
If I (be not) tired, I( help) you.
11. I have a cold today but I probably feel better tomorrow.
If I (feel) better tomorrow, I (go) to class.
12. I didn’t know that Bob was sick.
If I (know) that he was sick, I (take) him some chicken soup.
13. i may have a dollar. Let me look in my wallet.
If I( have) a dollar, I (lend ) it to you.
14. I know that you don’t want to go to movie tonight.
If you( want) to go to the movie, I (go) with you.
15. Why didn’t you tell me when your plane was supposed to arrive?
If you (tell) me, I( pick) you up at the airport.
16.May be I will buy a car.
If I( buy) a car, I (drive) to Hanoi with my girl friend.
17.What would you do if you were a cat?
If I( be) a cat, I( jump) into your lab.
18.You study hard.
If you study hard, you have good grades.
19.My wife and I want to buy a house, but houses are too expensive.
We (buy) a house if we( have) enough money for a down payment.
20.I’m sorry that you didn’t come to the party.
If you( come), you (have) a good time.
Exercises 3: Complete the sentences using If or unless
1. He will come you ring the bell.…………………
2. I shan’t go to the door .I hear the bell.……………

3. ……………he wrote to me, I should write to him.
4. He will not learn much ..he work harder.……………
5. He wouldn’t come you invited him.………………
6. I should never have found the house ..Mr Ba had not helped me.…………
Exercises 4 .Use If instead of were / had / should.
1. Had you waited, he would have come.
2. Should he refuse you, let me know it at once.
3. Were he an honorable man, he could not behave this.
4. Should you se him, remember me to him, will you?
5. Had we known that, neither of it would have gone.
6. Were she to take up acting, I’m sure she would succeed at it.
Exercises 4: Supply the correct verbs form
1. You can go everywhere you (like)
2. I ‘m going to the country tomorrow, If it (be)fine.
3. He wouldn’t treat you unkindly provided you (behave) well.
4. If you were to come tomorrow, she (be) ready to help you.
5. He would have never known unless you tell him.
6. I (go )and call her if you will wait for a moment.
7. You can walk where you like provided you( not step) on the grass.
8. He wouldn’t have begun to learn English if he( know) the difficulties.
9. If wishes( be) horses, beggars would ride.
10.If you( not tell) me about it, I might have never gone to see it