CONDITIONAL SENTENCES (CÂU ĐIỀU KIỆN) pps

EXERCISES
A. Put the verbs in brackets into the correct tenses.
1. If I (make) …………………………… that mistake again, my teacher (get) ……………… angry with me.
2. If he (go) ………………………to London yesterday, he (meet) …………………… his old friend.
3. Would you mind if you suddenly (win) ………………………half a million pounds?
4. I (lend) ……………………….them some money if they (ask) …………………….me.
5. If we (know) ………………………………who he was, we (invite) ……………………him to speak at our meeting.
6. If they had invited us, naturally we (go) ………………………….to the party.
7. If Don and I ( have) …………………….enough money, we would buy a house.
8. Ice (turn) ………………… to water if you (heat) …………………it.
9. I (speak) …………………….to France if I (see) ……………………him yesterday.
10. If I (realize) ………………………that the traffic lights were red. I (stop) ……………
11. They (not / let) ……………………….you in if you come late.
12. If you (not / go) …………………………away, I’ll send for a policeman.
13. If I (be) ………………….in your place, I (accept) ………………….Mr Long’s officer.
14. If I (win) …………………a big prize in a lottery, I’d give up my job.
15. If Tom (be) ……………… here yesterday, he (be) …………………able to advise us.
16. I was busy. If I (have) …………………free time, I (go) ………………to the cinema with you.
17. If I (be) ……………… you, I (tell) …………………… her the truth.
18. Why didn’t you attend the meeting?
Oh, I (not know) ………………… indeed. If I (know) …………………I (come) ……………… there.
19. What …………….we (do) ………… if they (not come) …………………… tomorrow?
20. If you meet him, remember (not tell) ………………….him what I (just say) …………………… to you.

B. Make conditional sentences according to the facts provided.
1. Mary doesn’t see the sight. She can’t tell you about that.

……………………………………………………………………………………………………………………………
2. It wasn’t fine yesterday. We didn’t go for a walk.
……………………………………………………………………………………………………………………………
3. I saw it with my own eyes. I believed it.
……………………………………………………………………………………………………………………………
4. The accident happened because the driver didn’t see the stop sign.
……………………………………………………………………………………………………………………………
5. You can’t come late or they won’t let you in.
……………………………………………………………………………………………………………………………
6. I don’t know Greek, so I can’t tell you about that.
……………………………………………………………………………………………………………………………
7. Gravity keeps people from being hurled off the earth as it whirls around.
……………………………………………………………………………………………………………………………
8. Stop talking or you won’t understand the lesson.
……………………………………………………………………………………………………………………………
9. The church bells keep me from sleeping.
……………………………………………………………………………………………………………………………
10. Go right now or you’ll be late for the train.
……………………………………………………………………………………………………………………………



C. Rewrite the sentences, beginning with words or phrases given
1. Keep quiet or I’ll scream.
Unless ………………………………………………………………………………………………………………
2. I regret speaking to him so severely yesterday.
I wish ………………………………………………………………………………………………………………
3. Unless he phones immediately, he won’t get any information.
If ……………………………………………………………………………………………………………………….
4. We got lost because we didn’t have a map.

If ……………………………………………………………………………………………………………………….
5. We didn’t have enough rain, so we could not grow rice.
If ……………………………………………………………………………………………………………………….
6. His friends were late so they missed the train.
If ……………………………………………………………………………………………………………………….
7. Today isn’t Sunday. The pupils can’t go swimming.
If ……………………………………………………………………………………………………………………….
8. We haven’t got a big house. We can’t invite friends to stay.
If ……………………………………………………………………………………………………………………….
9. Be calm, or you’ll make a wrong decision.
If ……………………………………………………………………………………………………………………….
10. She is often absent from class, so she can’t keep pace with her classmates.
If ……………………………………………………………………………………………………………………….
11. He was late because he missed the train.
If ……………………………………………………………………………………………………………………….
12. If she doesn’t hurry, she’ll miss the bus.
Unless ………………………………………………………………………………………………………………
13. She can’t walk without help, so she doesn’t go out very often.
If ……………………………………………………………………………………………………………………….
14. There will be a shortage of water unless it rains.
If ……………………………………………………………………………………………………………………….
15. We didn’t go on holiday because we didn’t have enough money.
If ……………………………………………………………………………………………………………………….
16. Unless someone has a key, we can’t get into the house.
We can only ………………………………………………………………………………………………………
17. Unless it stops raining, we won’t go out.
If ……………………………………………………………………………………………………………………….
18. Without gravity, water couldn’t run down hill.
Water couldn’t …………………………………………………………………………………………………
19. I studied hard, so I passed the final examination.

If ……………………………………………………………………………………………………………………….
20. Listen to the teacher’s explanation or you can’t understand anything.
If ……………………………………………………………………………………………………………………….