Conditional sentences

Conditional Sentences
I.– Supply the correct form or tense of the verb in brackets.
1. If Tom drove more carefully, he (not have) ____________ so many accidents.
2. If she has free time, she (come) ____________ to see you.
3. Unless Nick (be) ____________ so lazy, he woudn’t fail in the exam.
4. If I (be) ____________ you, I (take) ____________ her advice.
5. If Nam (try) ____________ harder, he will get good marks.
6. If she takes ____________ more exercises, she (lose) ____________ weight.
7. Where ______ you (like) ______ to live if you didn’t live here ?
8. We’ll come to the meeting on time if we (start) ____________ right now.
II.– Finish each of the following sentences in such a way that it means exactly the same as the
sentence printed before it.
1. He will die if we don’t send him for a doctor.
- Unless……………………………………………………………………………………..
2. You can’t visit the United States unless you get a visa.
- If ………………………………………………………………………………………….
3. We don’t go on holiday because we don’t have enough money.
- If …………………………………………………………………………………………
4. Stop talking, or the teacher will punish you.
- If…………………………………………………………………………………………
- Unless……………………………………………………………………………………
5. She speaks very fast, so we can’t hear her well.
If………………………………………………………………
III.Put the verbs in brackets into suitable tenses.
1. She’ll be late for the bus if she (not start) …………………… at once.
2. If I (know) …………………… her telephone number, I’d give it to you.
3. If he (come) ……………………, please tell me.
4. If I made a promise, I (keep) …………………… it.
5. You could make better progress if you (attend) …………………… class regularly.
6. Had we known your address, we (write) …………………… you a letter.
7. If you (speak) …………………… more slowly, he might have understood you.

8. What we (do) …………………… if they (not come) …………………… tomorrow ?
9. If I (not be) …………………… busy yesterday, I (visit) …………………… you.
10. I (not do) …………………… that if I (be) …………………… you.
IV.Make conditional sentences according to the facts provided.
1. I don’t know her phone number, so I don’t ring her up.
-…
2. Go right now or you’ll be late for the train.
-…
3. It was very cold yesterday, so we couldn’t go swimming.
-…
4. She’ll take us to the circus. She’ll get some tickets.
-…
5. This chair is too heavy for him to move.
-…
6. Mary didn’t come, so we cancelled the meeting.
-…


7. I don’t know enough about the machine, so I can’t mend it myself.
-…
8. Why don’t you stop smoking ?
-…
9. Be calm, or you’ll make a decision.
-…
10. Without the air, we would die.
-…
V. Rewrite the sentences
1. Today is not Sunday. We have to get up early.
If.
2. My younger sister is not old enough. That’s why she can’t go to school by herself.

If
3. I didn’t know how to do the exercise because I was absent from class yesterday.
Had
4. Tom failed the exam because he didn’t study hard enough.
If
5. She didn’t come because she didn’t know you were here.
Had she
6. We lost our way. We didn’t arrive on time.
Unless
7. We couldn’t save his life because we didn’t find him earlier.
Had
8. You must go now or you will be late for school.
If
9. They didn’t have a map. So they got lost.
If
10. Nam won’t be successful unless he works

VI.Find one choice that best completes the sentence.
1. If I were you, I …… that.
A. would apply for B. will ask for
C. will have changed D. can take
2. If I …… a wish, I’d wish for happiness for my family.
A. have
B. been having
C. had
D. was having
3. If we had had time, we …… to the party.
A. can go
B. will go
C. would have gone D. will have gone

4. We couldn’t understand the teacher if he …… too fast.
A. spoke
B. has spoken
C. doesn’t speak
D. didn’t speak
5. If everything is all right, we …… our work on time.
A. complete
B. are completing
C. have completed
D.will complete
6. What …… if the earth suddenly stopped going around the sun ?
A. happens
B. will happen
C. would happen
D. happened
7. Unless you …… quiet, I’ll scream.
A. don’t keep
B. keep
C. kept
D. didn’t keep
8. You’ll be able to speak English well if you …… hard.
A. study
B. studied
C. would study
D. had studied
9. If I …… you, I …… invitation.
A. am – will refuse
B. was – will refuse
C. were – would refuse
D. had been – will refuse

10. ……, I’d have told you the answer.
A. If you asked me B. Had you asked me C. You had asked me D. Unless you asked me