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……………………………………………

I. Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it:

1. Don’t leave the lights all night or you’ll waste electricity.

If

2. Don’t be impatient or you’ll fail the driving test.

If

3. Take time or you won’t get any opportunity in life.

If

4. Recycle and we will save natural resources.

If

5. You’ll avoid waiting by booking a table in advance. 
If

6. You can improve your English by practicing speaking English every day.

If you

7. Bad driving causes serious accidents.

If you

8. Unless you phone me tonight, you won’t get any information. 
If  

9. Go right now or you’ll be late for the meeting.

Unless

10. We can’t have lunch in the garden if the weather isn’t nice.

Unless

11. “My house is next to yours,” he said to me.
He told me

12. “Where are you going?” he asked her.
He asked her where

13. “Which way do you want to go?” he asked.
He asked

14. “I am taking you to the airport tomorrow evening.”

My uncle told

15. “Don’t try to open it now,” she said to us.
She told

16. “Is it going to be a fine day today?” I asked her.
I asked her

17. “Is the bus station far away from here?” the girl asked.
The girl wanted to know

18. “Please let me borrow your car,” he said to her.
He asked

19. “Jean, have you seen my gloves?” Thomas asked.
Thomas asked Jean

20. “I’ll have a cup of tea with you,” she said.
She said that

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

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

xercise 02: Rewrite the following sentences as example (3 ways).
Example. Keep quiet or you’ll wake the baby up.
(+) (+)
 If you keep quiet, you won’t wake the baby up.
 If you don’t keep quiet, you will wake the baby up.
 Unless you keep quiet, you will wake the baby up.
1. Hurry up or we will be late for the exam.
2. Don’t do the exam test carelessly or you will get a bad mark.
3. Don’t be talkative in class or you will be out.
4. Water the small trees or they will die.
5. Be careful or you’ll cut yourself with that knife.
6. Stop talking or you will wake the children up.
7. Stop talking or you won’t understand the lesson.
8. Don’t touch that wire or you may get an electric shock.
9. Study hard or you won’t pass the exam.
10. Don’t be impatient or you will make mistakes.

Rewrite the sentences below using the word(s) given

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

→If............................................................................................................................................

Question 2: Stop talking or you won’t understand the lesson

→ If ..................................................................................................................................................

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

→ If ..................................................................................................................................................

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

→ If ..................................................................................................................................................

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

→ If ..................................................................................................................................................

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

→ Had ..............................................................................................................................................

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

→ Provided that ................................................................................................................................

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

→ Had it ...........................................................................................................................................

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

→ Supposing that .............................................................................................................................

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

→ But for ..........................................................................................................................................

Question 11: I'm sorry that I didn't finish my homework last night.

→ I wish ...........................................................................................................................................

Question 12: The child will die if nobody sends for a doctor.

→ Unless...........................................................................................................................................

Question 13: We didn't go because it rained.

→ If it hadn’t ....................................................................................................................................

Question 14: You may get hungry on the train, so take some sandwiches.

→ In ..................................................................................................................................................

Question 15: My husband didn't leave the car keys, so I couldn't pick him up at the station.

→ If my husband ..............................................................................................................................

Question 16: She didn't hurry, so she missed the train.

→ If ..................................................................................................................................................

Question 17: If the work is finished by lunchtime you can go home.

→ Get ...............................................................................................................................................

Question 18: It's a pity I didn't take my doctor's advice.

→ I wish ...........................................................................................................................................

Question 19: We didn't go on holiday because we did not have enough money.

→ If we .............................................................................................................................................

Question 20: You can't visit the USA unless you have a visa.

→ If you ..............................................................................................................................................        

       I.            Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it:

1.      Be quiet or you will not understand the lesson.

→ If ___________________________________________________________________

2.      Study harder and you will not fail the coming exam.

→ If ___________________________________________________________________

3.      Work harder or you won’t get high salary.

→ If ___________________________________________________________________

4.      Practice speaking English every day or you can’t improve your English.

→ If ___________________________________________________________________

5.      The children like to walk in the rain.

→ The children enjoy _____________________________________________________

→ The children are _______________________________________________________

6.      I think surfing the Net is useful.

→ I find it_______________________________________________________________

7.      I don’t think she broke the vase accidentally.

→ I think _______________________________________________________________

8.      Watching TV consumes a lot of time.

→ Watching TV is a ______________________________________________________

9.      Can’t you control the child?

→ You ________________________________________________________________ ?

10.  “I don’t know anything about it,” he said.

→ He denied ____________________________________________________________

11.  Did they understand the problem?

→ They hardly__________________________________________________________ ?

12.  He forced me to put my hands up and quickly searched through my pockets.

→ I ____________________________________________________________________

13.  “Don’t forget to phone the office,” she told him.

→ She reminded _________________________________________________________

14.  Mary will watch the film in three hours.

→ It will ________________________________________________________________

15.  The children are excited about going to the circus.

→ The children are looking_________________________________________________

16.  He is interested in reading detective books.

→ He enjoys _____________________________________________________________

17.  Do you find it difficult to speak English?

→ Do you have any _______________________________________________________

18.  My father needs 15 minutes to read “Tuoi Tre” newspaper every morning.

→ My father spends_______________________________________________________

19.  The floor was cleaned by Loan

→ Loan_________________________________________________________________

20.  The Browns last painted the living-room two years ago.

→ The Browns have ______________________________________________________

21.  Would you close the door, please?

→ Would you mind ______________________________________________________ ?

22.  They didn’t allow us to smoke here.

→ They didn’t let _________________________________________________________

23.  My teacher advised buying that book.         

→ My teacher advised us ___________________________________________________

24.  He has studied English for six years.

→ He began _____________________________________________________________

25.  It is necessary to master English.     

→ Mastering ____________________________________________________________

26.  He spent two hours writing the essay.          

→ It took _______________________________________________________________

27.  He expects to hear from her as soon as possible.

→ He is looking __________________________________________________________

28.  I would like you to help me (to) put the chairs away?

→ Do you mind _________________________________________________________ ?

29.  Don’t forget that you have to do this homework.

→ Please remember _______________________________________________________

30.  Don’t ask so many questions.

→ Please stop ____________________________________________________________

31.  He hasn’t smoked for 3 years.

→ He stopped ____________________________________________________________

32.  It's not a good idea to travel during the rush hour.

→ It's better to____________________________________________________________

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. →………………………………..…..