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

If ……………………………………………………………………………………………………………………………

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

If ……………………………………………………………………………………………………………………………

23. I didn’t turn left at the station, and I lost my way.

If ……………………………………………………………………………………………………………………………

24. Carol didn’t answer the phone because she was studying.

If ……………………………………………………………………………………………………………………………

25. Jack was late to the meeting because his watch was slow.

If ……………………………………………………………………………………………………………………………

26. Carol didn’t answer the phone because she was studying.

If ……………………………………………………………………………………………………………………………

27. I didn’t realize you were tired when I asked you to go for a walk.

If ……………………………………………………………………………………………………………………………

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

If ……………………………………………………………………………………………………………………………

29. Martin failed his driving test last week because he was very nervous.

If ……………………………………………………………………………………………………………………………

30. I was able to buy the motorbike because Jim lent me the money.

If ……………………………………………………………………………………………………………………………

31. Because I don’t have enough free time, I can’t help my mother with the housework.

If ……………………………………………………………………………………………………………………………

32. The schoolchildren sowed some seeds, but they forgot to water them so they didn’t grow.

If ……………………………………………………………………………………………………………………………

33. Paulo is working on two jobs right now, so he doesn’t have time to help you with your remodeling.

If ……………………………………………………………………………………………………………………………

………………………………………………………………………………………………………………………………

34. Sally doesn’t know what she has to do for homework because she was absent from school on Friday.

If ……………………………………………………………………………………………………………………………

35. Olga and Ivan weren’t paying attention, so they didn’t see the sign marking their exit from the highway.

If ……………………………………………………………………………………………………………

……………………………………………………………………………………………………………

Exercise 2: Make conditional sentences:

1.      Keep silent or you’ll wake the baby up.

2.       →If  ……………………………………………..…..………

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

→ If …………………………………….....….…….

2.      If she does not hurry, she’ll be late

Unless ……………………………………………….

3.      If you are not careful, you’ll cut yourself

Unless ……………………………………………………

5. Unless she whispers, everyone knows what she is saying.

If ..........................................................................................................

6. Eat more vegetables and you will be healthier

If ..........................................................................................................

7. Pay  clean water  bill today or your  clean water will be cut off.

If ..........................................................................................................

8. Stop smoking otherwise your cough may be worse.

If ..........................................................................................................

9. Unless we use less fossil fuel, they will be run out soon.

If ..........................................................................................................

Giúp mình với ạ!!

EXERCISE 2. Rewrite the following sentences. using suitable conditional sentences.

1. Keep silent or you’ll wake the baby up. 
→ If ………………………………………………………………………………………………………………………………
2. Stop talking or you won’t understand the lesson.
→ If…………………………………………………………………………………………………………………………………
3. Make me some coffee, and I’ll give you some sweets.    
→ If…………………………………………………………………………………………………………………………………
4. It might rain. If it does, everyone can eat inside.
→ If…………………………………………………………………………………………………………………………………
5. You should ride your bike carefully, or you may have an accident.
→ If…………………………………………………………………………………………………………………………………
6. Follow the safety instructions or you may get burnt.
→ If…………………………………………………………………………………………………………………………………
7. Throw a stone into water and it sinks. 
→ If ………………………………………………………………………………………………………………………………… 
8. I’ll call the police if you don’t leave me alone.  
→  Unless…………………………………………………………………………………………………………………………
9. If we don't start at once we will be late.
→ Unless…………………………………………………………………………………………………………………………..
8. Unless you study hard, you won't pass the exams.
→ If ………………………………………………………………………………………………………………………………….
11. We can only get into the house if we have a key.
→ Unless ……………………………………………………………………………………………………………………………….
12. I don’t know the answer, so I can’t tell you.
If …………………………………………….…………………………………………………………………………………………...
13. Peter is fat because he eats so many chips. 
→ If……………………………………………………...…………………………………………………………………………………….
14. We don’t visit you very often because you live so far away.
→If…………………………………………………………………………………………………………………………………………….
15. I have to work tomorrow evening, so I can’t meet you.
→ If……………………………………………………………………………………………………………………………………………..
16. We got lost because we didn’t have a map.
→ If ……………………………………………………………………………………………………………………………………..
16. Susan felt sick because she ate four cream cakes. 
→ If……………………………………………..………………………………………………………………………………………….
18. He lost his job because he was late every day. 
→ If ………………………………………………...…………………………………………………………………………………….
19. Robert got a bad cough because he started smoking cigarettes. 
→ If ……………………………………………………………………………………………………………………………………….
20- Without Jack’s help, I wouldn’t have been able to move this table. 
→ If…………………………………………………………………………………………………………………………………….
21. I didn’t have an umbrella with me so I got wet   
→ I wouldn’t………………………………………………………………………………………………………………………..
22. I didn’t have breakfast this morning, and now I’m hungry.
→  If……………………………………………………………………………………………………………………………………..
23. I didn’t finish my report yesterday, so I can’t begin a new project to day.
→ If ……………………………………………………………………………………………………………………………………..
24. I don’t know anything about plumbing, so I didn’t fix the leak in the sink myself.
→ If ……………………………………………………………………………………………………………………………………..

VI.  Make conditional sentences:

1. Keep silent or you’ll wake the baby up.

→ If you don't keep silent, you will wake the baby up.

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

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

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

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

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

8. He lost his job because he was late every day.

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

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

VII. Rewrite the following sentences:

1. He can’t go out because he has to study for his exam.=> If…………………..……………………..

2. She is lazy so she can’t pass the exam.=>If…………………………………………………………

3. He will pay me tonight; I will have enough money to buy a car.=> If……………………………….

4. He smokes too much; that’s why he can’t get rid of his cough.=> If…………………………………..

5. She is very shy, so she doesn’t enjoy the party.=> If……………………………………………..

6. I will get a work permit. I will stay for another month.=> If…………………………………………..

7. He doesn’t take any exercises. He is so unhealthy=> If………………..………………………….

8. We can’t get the ticket because I don’t have the right change.=> If…………………………….

9. Study hard or you won’t pass the exam.=> If…………………………………………………..

10. Don’t be impatient or you will make mistakes.=> If……………………………………………..

11. I didn’t eat lunch, I feel hungry now.=> If I…………..………………………………….

12. I only come if they invite me.=> unless……………………………………………….

13. He didn’t revise all his lessons, he failed the exam.=> If he………………………………………..

14. The park is over there, only 5 minutes’ walk.=> If you walk…………………………………….

15. Leave me alone or I’ll call the police.=>Unless………………………………………….………

16. If you arrive at the office earlier than I do, please turn on the air-conditioner.=> Should………….

17. The children don’t go to school in the snowy weather.=> If it ……………………………………

18. He died so young; otherwise, he would be a famous musician by now.=>Had …………………..

19. You must tell me the whole truth or I won’t help you.=> Unless……………………………………

20. The car breaks down so often because you don’t take good care of it.=> Were I……………………

21. He is very bad-tempered, that’s why his wife left him soon after marriage.=> If he…………………

22. Don’t tell lies to your boss or you’ll be fired at once.=> If……………………………………………

Exercise 2: Make conditional sentences:

1.      Keep silent or you’ll wake the baby up. →If  ……………………………………………..…..………

2.      Stop talking, and you will understand the lesson.→ If …………………………………….....….…….

3.      I don’t know her number, so I don’t ring her up.→ If …………………………………….....….……..

4.      I don’t know the answer because I don’t learn this subject=> If ………………………………….………..

5.      We got lost because we didn’t have a map.→ If …………………………………….……..…….……

6.      Susan felt sick because she ate four cream cakes. →……………………………………………..……

7.      The doctor didn’t try their best, the patient died. →……………………………………….….…...

8.      He lost his job because he was late every day. →………………………………………………...……

9.      Peter is fat because he eats so many chips. →……………………………………………………...…..

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

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.

Rewrite the following sentences in other way without changing their meaning:

1. Keep silent or you’ll wake the baby up.

→ If …………………………………………………..……………………….....….…….

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

→ If …………………………………………………..……………………….....….…….

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

→ If …………………………………………………..……………………….....….…….

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

→ If …………………………………………………….……………………….....….…….

5. We get lost because we don’t have a map.

→ If …………………………………………………..……………………….....….…….

6. Susan feels sick now because she ate four cream cakes.

→ If …………………………………………………..……………………….....….…….

7. Without this treatment, the patient would have died.

→ If …………………………………………………..……………………….....….…….

8. He loses his job because he is late every day.

→ If …………………………………………………….……………………….....….…

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

→ If …………………………………………………………..……………….....….…….

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

→ If …………………………………………………………………………….....….…….

Write conditional sentences according to the ideas suggested
1 There will be a shortage of water unless it rains
2 Be calm, or you'll make a wrong decision
3 Go right now or you'll be late for the train
4 Unless it stops raininf, we won't go out
5 You can't come late or they won't let you in
6 Unless he phones immediately, he won't get any information
7 Stop talking or you won't understand the lesson
8 Unless he sells more, he won't get much commission
9 You will fail the examination unless you study hard
10 We won't help you. We won't have enough time