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.

Use conditional sentences type 2 to rewrite the sentences below. 41. You don’t save electricity. You pay a lot of money.  42. We don’t have enough money, so we don’t buy those new comics.  43. She is not free today, so she can’t go to the movie with her friends.  44. He is so lazy. He fails the final exam.  45. The weather is not fine. The children don’t play outdoors.  46. Thu cannot swim, so she doesn’t go to the swimming pool with her friends.  47. People don’t see the UFO, so they don’t call the National UFO Reporting Centre.  48. She doesn’t keep the refrigerator door closed, so she cannot save the energy.  49. There is much traffic, so the air is polluted by the waste smoke.  50. Ba isn’t fast enough to catch the school bus. 

Rewrite the sentences, using conditional sentence type 1.

   1.     Don’t go out in the rain because you will get wet.

     ___________________________ .

   2.     I won’t enjoy the film if you aren’t with me.

     ___________________________ .

   3.     My brother will have enough money. He will buy a bicycle.

     ___________________________ .

   4.     I will buy a new hat. I will give it to you.

     ___________________________ .

   5.     Let’s ask the teacher. He will explain it to you.

     ___________________________ .

II. Rewrite the sentences, using Conditional sentences Type 1 & 2:

1. Keep silent or you will wake the baby up.

2. Stop talking or you won’t understand the lesson.

3. Bella doesn’t like his behaviors, so she won’t invite him.

4. I don’t know the answer, so I can’t tell you.

5. We cannot make bread because we don’t have wheat flour.

6. Susan gains weight because she eats so much.

7. This tree will die because you don’t water it.

8. It is snowy, so he gets cold.

9. Peter is not tall enough, so he cannot play volleyball.

10. Get up early or you will come to class late.

Question 1. Rewrite the following sentences using conditional sentences. 1.Don’t be impatient or you will make mistakes. 2.I didn’t see the film last night, so I can’t tell you now. 3.He didn’t revise all his lessons, so he failed the exam 4.She can’t be employed because she doesn’t have a college degree 5.City life isn’t enjoyable because everything is very expensive Question 2. Turn the following sentences into passive voice(dùng cách 2) 1. People think he stole my car 2. Mr. Park declares that Vietnamese football team will defeat Thai land 3. They thought that he had died before taking to hospital 4. the police think that the criminal is hiding in a cave 5. I believe that The boy is punished because of his laziness

Exercise 3: Comment on these situations. Use a type 2 conditional.

11) She is very busy, so she doesn’t enjoy parties

12) I don’t have right change so we can’t get tickets from the machine

13) I don’t know her number, so a can’t phone her

14) She doesn’t take any exercise; that’s why she is so healthy

15) He doesn’t work overtime, so he doesn’t earn as much as money as I do

16) People don’t understand him because he doesn’t speak clearly

17) Today is not Sunday so I can’t go out with my friends

18) I can’t change the world because I’m not God

19) Because Maria doesn’t know English, she can’t study in America

20) Peter is fat because he eats so many chips.

21. They don’t understand the problem. They won’t find a solution

22. Go right now or you’ll be late for the train.

23. Because you speak English unnaturally, they do not understand you.

23. Because Simon doesn’t live near his mother, he can’t visit her often.

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

25. Bill never does anything if you don’t tell him what to do.( Unless…)

26. They don’t have enough time so they cannot do me a favour.

27. I must leave now, or I’ll miss the flight.

28. Hurry up, or we will be late for the exam.

29. Peter gets bad marks because he doesn’t prepare his lessons well

30. He doesn’t apply for the job because he doesn’t have enough qualifications.

31. We can’t buy this car because it is very expensive.

32. Unless he phones her immediately, he won’t get any information ( If 

33. They don’t find out the remedy. The patient will die.

34. Rita is exhausted today because she didn’t get any sleep last night.

35. The flats are not clearly numbered, so it is very difficult to find anyone.

1. I don’t know her number, so I don’t ring her up

 If I ………

2. I don’t know the answer, so I can’t tell you.

 If I …………………

3. When you ask me for the book, I will lend it to you.

Unless you ……………………….

4. I feel miserable because Kate doesn’t love me.

 If Kate ……………………….

5. I won’t go to the party because I’m not feeling well.

 I would ………………….

6. There are too many cars. As a result, our planet is polluted.

 If there ………………………………

7. You are so nervous because you drink too much coffee.

 If you ……………………………….

8. As I haven’t got money, I can’t buy a new car.

 If ………………………………………….

9. I am in this class because I cannot speak perfect English.

 If I …………………………………….

10. I am very bad at English; I can't help you with your English exercises.

 If I ……………………….

11. He isn’t a good runner because he doesn’t train every day.

  If he ………….

12. Peter is fat because he eats so many chips.

 If Peter ………………….

13. His parents are away on holiday. He really needs their help now.

 He wishes ………….

14. Mike doesn't feel well today. He can't go out with his friends.

 Mike wishes ………

15. Peter is working on two jobs. He can’t help you fix your computer right now.

 If Peter …………………………….

GIÚP MÌNH VỚI  Ạ .. MÌNH CẢM ƠN =)))))))))))))))))

III. Practice: write conditional sentences

1. You should take more exercise because that’s the way to get fit.

3. I haven’t got a key, so I can’t get in.

4. Throw a stone into water and it sinks.

5. I don’t have a laptop, and now I can’t type the assignment.

6. Road travel is cheaper than rail travel in this country, so we have lots of traffic jams.

7. You may want a chat, so just give me a ring.

8. The wind is blowing hard, so I won’t take the boat out for a ride.

9. We don’t visit you very often because you live so far away.

10. I have to work tomorrow evening, so I can’t meet you.

11. Practice the piano regularly and you will play better.

12. Carol doesn’t answer the phone because she is studying.