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 …………………………………………………………………………….....….…….

I-Viết lại câu sao cho ý nghĩa không thay đổi:

1. If it hadn't been for this treatment, the patient would have died.

-> Without.........

II- Viết lại câu sử dụng từ trong ngoặc:

1. He forgot about the gun until he got home.(did)

-> Not until............

2. If you run everyday, your breathing improves quickly(running).

-> Daily.........

3. The boy is talking to the girl with long hair.(whom)

-> The.......

Bài 2: Viết lại các câu sau sang dạng câu điều kiện thích hợp. 

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 know the answer, so I can’t tell you. → If …………………………………………….………..

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

→ If …………………………………….……..…….……

6. He loses his job because he is late every day. →………………………………………………...……

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

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

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 ……………………………………………………………………………………………………………………………………..

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!!

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

→ If you

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

→ If you

3. Don’t throw trash into the river, or the water will be polluted.

à If you

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

→If I

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

→ If  I

6. The water is seriously dirty, so fish die

àIf the water

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

→ If we

8. Susan can be sick because she eats four cream cakes.

→ If Susan

9. Because the weather is not fine, we don’t go on a picnic.

→ If the weather

10. Keep the water clean, and we will have enough water for future use.

→ If we

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

→ If Peter

12. Water the tree regularly, and it will grow well.

→ If you

13. Unless you finish your homework, you can’t go out tonight.

à If you

14. Unless they were out, they would help me.

à If they

15. He couldn’t win the game unless he practiced more.

à If he