V. Rewrite the sentences using “ If/ Unless”.

1. I can’t finish this task. You don’t give me a hand.

-> ____________________________________________________________________________

2. You will run out of money if you don’t stop wasting it.

-> ____________________________________________________________________________

3. Don’t call me unless it is an emergency.

-> ____________________________________________________________________________

4. James will not pass the test unless he studies harder.

-> ____________________________________________________________________________

5. If Jane finishes  her work before 6 pm, she will dine out with her friends.

-> ____________________________________________________________________________

6. My brother won’t go travelling this summer if he doesn’t find a companion.

-> ____________________________________________________________________________

7. It is not easy to do these exercises unless you listen attentively to the teacher.

-> ____________________________________________________________________________

8. If Jim doesn’t submit his essay before Tuesday, he will be punished by the teacher

GẤP 

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.

EXERCISE 1: Rewrite the following sentences using “Unless”

1. I won’t go to school if I don’t feel better.

2. Tony will walk to you is 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.

EXERCISE 2: Rewrite the following sentences using conditional sentences type 2.

1. They are poor, so they can’t help us.

2. He doesn’t do this homework. He is always punished.

3. He doesn’t have enough time. He can’t help me.

4. She doesn’t take any exercise, so she is overweight.

5. He doesn’t have a bicycle, so he always goes to class late.

6. I am bad at English, so I can’t do homework.

7. He doesn’t practise speaking French, so he doesn’t speak it fluently.

8. The meeting can be cancelled because it snows heavily.

9. We don’t go because it will rain.

10. John is fat because he eats so many chips.

EXERCISE 3: Rewrite the following sentences using conditional sentences type 3

1. He didn’t hurry, so he missed the train.

2. We didn’t go because it rained.

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

4. He lost his job because he was late everyday.

5. The dress was so expensive. She could not buy it.

6. Sue felt sick because she ate four cream cakes.

7. My brother left the car keys, so I had to pick him up at the station,

8. We didn’t go on holiday because we didn’t have enough money.

9. He didn’t have the ticket to the game last week. He wasn’t be able to get in.

10. Robert got a bad cough because he started smoking cigarettes.

I. Rewrite the sentences, using conditional clauses.

1) If she (not try), she (not succeed).

2) If I (see) her, I (tell) her.

3) (You do) it if I (ask) at home.

4) If I (be) ill, I (stay) at home.

5) What (you do) if the bus (not come).

6) I (be) sorry if she (leave).

7) I (not stay) in this job if I (find) another one.

8) They (get) wet if it (rain).

9) It (not bite) you unless you (move).

10) We (go) out unless it (stop) snowing.

28. Perhaps you see Nam at school now. Tell him to come back home.→ If………………………………………..….…….

29. The doctor can’t see many patients because he is so late.→ If………………………………………..….…….

30. We don’t visit them in Hanoi because tickets are expensive. → If………………………………………..….…….

31. I’m busy right now, so I can’t help you.→ If………………………………………..….…….

32. I didn’t buy it because I didn’t have enough money.→ If………………………………………..….…….

33. I didn’t know that there was a test yesterday, so I didn’t study for it.→ If……………………………………..….…….

34. Because he’s very thin, he feels the cold so much→ If………………………………………..….…….

35. I didn’t eat breakfast several hours ago, so I am hungry now→ If………………………………………..….…….

I. Rewrite the following sentences so that it has a similar meaning to the first
1. Tom works hard as a student
Tom ………………………………………………………………………………
2. It is good exercise to run a mile a day
 Running ……………………………………………………………………………
3. It’s a great pleasure to be with you.
 Being ……………………………………………………………………………….
4. We didn’t see her at all.
 She …………………………………………………………………………………
5. Tom is not as tall as Peter
 Peter ……………………………………………………………………………….
6. Her father asked her if she would go to the cinema with her friend
 Her father asked her: “………………………………………………………………”
7. The step- mother doesn’t treat the little girl in a normal way.

 The little girl ……………………………………………………………………..
8. Do you mind my smoking?
 Do you mind………………………………………………………………………..
9. No one works harder than Barbara.
 Barbara ………………………………………………………………..
10. He told his customer : “ Please bring it back if it doesn’t fit well”
 He told ……………………………………………………………………………
11. The last time we saw him was in 1988.
We haven’t…………………………………………………………………………
12. Peter spent 3 hours on repairing his computer.
 It took………………………………………………………………………………
13. You will not be accepted if you don’t finish your home work.
 Unless……………………………………………………………………………
14. “Don’t swim out too far, boys ’’ I said
 I warned…………………………………………………………………………
15. They arrived late because the traffic was terrible.
 Because of………….…………………………………………………………

II. Make conditional sentences, using if or unless. 1. Ican't finish this task if you don't give me a hand. 2. You will run out of money if you don't stop wasting it. 3. Don't call me unless it is an emergency. 4. James will not pass the test unless he studies harder. 5. If Jane finishes her work before 6 p.m, she will dine out with her friends. 1. Work hard and you will pass your exam. If 2. My brother is not good at playing tennis. My brother does not . 3. r'll be on vacation next week, so I won't be able to attend the meeting. Since 4. If you don't start working hard now, you won't be able to pass the final test. Unless . 5. Someone should take this garbage to the garbage dump soon. This garbage 1. I am a member of the anti-pollution program in my school. I often go to school by bus. (so) 2. The trees in this area were cleaned off. Public facilities would be constructed. (because of) 3. All the roads were flooded because it had been raining heavily. (due to) 4. Jimmy ate a lot of fast food, so he put on 10kilograms within just two months. (because) 5. My father got upset because I repeatedly left on the lights I was not using. (so)

Exercise 2: Find out the mistakes:
1. If you don’t try your best, you would fail the next exam.
A B C D
2. Unless you do all of the exercises given by the teacher, you won’t be punished.
A B C D
3. She had had more good marks if she had prepared the lesson carefully.
A B C D
4. If your mother bought you a dictionary, you can learn English better.
A B C D
5. If yesterday I stayed at home, I would not be tired today.
A B C D
6. Unless they come early, they would meet him at the meeting.
A B C D
7. Had you review all the lesson carefully, you would have passed the exam.
A B C D
8. Should you wanted to attend the course of English, let me know.
A B C D