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……………………………………………………………………………

23.  She got married at such an early age: otherwise, she would be at university now.

=> Had ………………………………………………………………………….

60. He said "If I had enough money, I could buy that house." A. He said if he had enough money, he could buy that house. B. He said if he had had enough money, he could buy that house. C. He said if he had enough money, he could have bought that house. D. He said if he had had enough money, he could have bought that house. 61. Lan:" Why don't you study hard for the exam, Nam?" A. Lan advised me not to study hard for the exam B. Lan advised me to study hard for the exam C. Lan advised Nam not to study hard for the exam D. Lan advised Nam to study hard for the exam. 62. He asked his mother what . A. time was it B. time is it C. time it was D. none is correct 63. She asked me I or not. A. If / had busy B.Whether / was busy C. If / has been busy D. Whether / busy 64. I asked her , but she said nothing A. what the matter was B. what was the matter C. the matter was what D. what's the matter was 65. Minh him up when the bus came there. A. told her wake B. asked her to wake C. said her to wake D. requested her waking 66. I wonder we'll catch the bus we'll walk to school. A. if / and whether B. whether / or that C. if / or that D. whether / or whether 67. Mr Ha told me that he would meet me the day A. previous B. following C. before D. last 68. "I'll tell you about this tomorrow, Daisy." said Peter. A. Peter said to Daisy that he will tell her about that the next day. B. Peter told Daisy that I would tell you about that the next day. C. Peter told Daisy that he would tell her about that the next day. D. Peter told Daisy that she would tell you about that the next day. 69. "I wrote to her yesterday." He said A. He said to me I wrote to her the day before. B. He told me he wrote to her yesterday. C. He told me he had written to her yesterday. D. He told me he had written to her the day before. 70. "He is talking to your sister", Lan said to me. A. Lan told me he was talking to your sister. B. Lan told to me he was talking to my sister. C. Lan told me he was talking to my sister. D. Lan told me she was talking to her sister.

60. He said "If I had enough money, I could buy that house."

A. He said if he had enough money, he could buy that house. B. He said if he had had enough money, he could buy that house. C. He said if he had enough money, he could have bought that house. D. He said if he had had enough money, he could have bought that house. 61. Lan:" Why don't you study hard for the exam, Nam?" A. Lan advised me not to study hard for the exam B. Lan advised me to study hard for the exam C. Lan advised Nam not to study hard for the exam D. Lan advised Nam to study hard for the exam. 62. He asked his mother what . A. time was it B. time is it C. time it was D. none is correct 63. She asked me I or not. A. If / had busy B.Whether / was busy C. If / has been busy D. Whether / busy 64. I asked her , but she said nothing A. what the matter was B. what was the matter C. the matter was what D. what's the matter was 65. Minh him up when the bus came there. A. told her wake B. asked her to wake C. said her to wake D. requested her waking 66. I wonder we'll catch the bus we'll walk to school. A. if / and whether B. whether / or that C. if / or that D. whether / or whether 67. Mr Ha told me that he would meet me the day A. previous B. following C. before D. last 68. "I'll tell you about this tomorrow, Daisy." said Peter. A. Peter said to Daisy that he will tell her about that the next day. B. Peter told Daisy that I would tell you about that the next day. C. Peter told Daisy that he would tell her about that the next day. D. Peter told Daisy that she would tell you about that the next day. 69. "I wrote to her yesterday." He said A. He said to me I wrote to her the day before. B. He told me he wrote to her yesterday. C. He told me he had written to her yesterday. D. He told me he had written to her the day before. 70. "He is talking to your sister", Lan said to me. A. Lan told me he was talking to your sister. B. Lan told to me he was talking to my sister. C. Lan told me he was talking to my sister. D. Lan told me she was talking to her sister.

Exercise 3: 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……………………………………………………………..

37.     If he ______ a thorough knowledge of English, he could have applied for this post.

          a. had had                  b. had                       c. has                          d. has had

38.     If I had enough money, I______ abroad to improve my English.

          a. will go                    b. would go              c. should go               d. should have go to

39.     The bench would collapse if they______ on it.

          a. stood                      b. stand                    c. standing                 d. stands

40.     ______ she agreed, you would have done it.

          a. If                             b. Had                       c. Should                    d. Would

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………………………………………………………………………………

Rewrite the sentences without changing the meaning.

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 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 ..................................................................................................................................

1. I don’t buy it because I don’t have enough money.
----> If I HAD ENOUGH MONEY, I WOULD BUY IT.
2. I don’t go out it because I don’t have time.
----> If ………………………………………………………………………
3. He will go out. He will buy some bread.
----> If ………………………………………………………………………
4. I’m busy right now, so I can’t help you.
----> If ………………………………………………………………………
5. He’s very thin, that’s why he feels the cold so much.
----> If ………………………………………………………………………
6. I don’t have breakfast, so I am hungry now.
----> If ………………………………………………………………………
7. If John played for our football team, we would not lose the game.
----> Unless ………………………………………………………………………
8. If I won a big prize in a lottery, I’d give up my job.
----> Unless………………………………………………………………………
9. If you don’t like this one, I’ll bring you another.
----> Unless………………………………………………………………………
10. I’ll only help you if you promise to try harder.
----> Unless………………………………………………………………………
11.If she doesn’t work harder, she’ll lose her job

EXERCISES ON

CONDITIONAL SENTENCE TYPE 3

* Exercise 2: Complete each of the following sentences in such a way that it means the same as the sentence printed before it.

1. We didn^’t know your phone number, so we could not contact you.

→ ________________________________________________________________

2. She didn^’t hurry, so she missed the train.

→ _______________________________________________________________

3. Susan felt sick because she ate 4 cream cakes.

→ ________________________________________________________________

4. If he hadn’t wasted too much time, he wouldn’t have failed in his examination.

→ _________________________________________________________________

5. I had been so excited because my mother gave me a new bike.

→ _______________________________________________________________

6. We didn’t have a map, so we lost in the jungle.

→ ________________________________________________________________

7. He couldn’t drive his car because he has no driving license.

→ _______________________________________________________________

8. He lost his money because he wasn’t careful.

→ ______________________________________________________________

9. The children couldn’t go camping because it rained heavily.

→ ________________________________________________________________

10. My friend didn’t give me her address, so I couldn’t find her house.

→ __________________________________________________________________

* Exercise 3: Choose the best answer to complete these following sentences.

1. He wouldn’t have had an accident if he _____________ more carefully.

A. drives B. drove C. had driven D. was driving

2. If you _____________ better last night, you wouldn’t have been so tired.

A. sleep B. had slept C. was sleeping D. slept

3. If I had noticed him, I _____________ hello to him.

A. say B. said C. would say D. would have said

4. ____________ for work early, he could have caught the bus.

A. If Peter left B. Peter left C. had Peter left D. If Peter had left

5. Jane _____ in such a trouble if she had been more carefully when typing the contract.

A. won’t be B. wouldn’t be

C. won’t have been D. wouldn’t have been

6. If he hadn’t wasted too much time, he ____________ in his examination.

A. would fail B. wouldn’t fail

C. wouldn’t have failed D. won’t fail

7. If I had taken that English course, I____________ much progress.

A. had made B. would have made

C. made D. would make

8. If we had checked the petrol before we started, we ____________ here.

A. wouldn't stop B. wouldn't have stopped

C. would have stopped D. would stop

9. “Did he study yesterday?” “No, but if he ____, he’d have done better on today’s test.”

A. had B. has C. will study D. had done

10. What would you have done if you _____________ a lot of money?

A. had B. had had C. have had D. have

11. The movie was sad and she wept. If it____________ sad, she_____________.

A. hadn’t been/ wouldn’t have wept B. wasn’t/ wouldn’t weep

C. wasn’t/ would weep D. had been/ would have wept

12. If I had had free time, I _____________ shopping.

A. would have gone B. can go

C. will go D. will have gone

13. If you had come to the party, you _____________ her.

A. would meet B. had met C. would have met D. met

14. I decided to stay at home last night. I would have gone out if I ________ so tired. A. wasn’t B. weren’t C. wouldn’t have been D. hadn’t been

15. "Did he lose?" "Yes, but if he had tried harder, he_____________ won."

A. might B. might have C. might of D. might has

* Exercise 4: Choose the sentence which has the similar meaning to the given one.

1. Tom got to the station in time to catch his train.

A. If Tom had missed his train, he would have been late for his interview.

B. If Tom missed his train, he would have been late for his interview.

C. If Tom had missed his train, he would be late for his interview.

D. If Tom had missed his train, he would have be late for his interview.

2. He stepped on the mine, and it exploded.

A. If he doesn’t step on the mine, it doesn’t explode.

B. If he doesn’t step on the mine, it won’t explode.

C. If he didn’t step on the mine, it wouldn’t explode.

D. If he hadn’t stepped on the mine, it wouldn’t have exploded.

3. If I was ill, so I was absent from school yesterday.

A. If I hadn’t been ill, I wouldn’t be absent from school yesterday.

B. If I wasn’t ill, I wouldn’t have been absent from school yesterday.

C. If I have been ill, I wouldn’t have been absent from school yesterday.

D. If I hadn’t been ill, I wouldn’t have been absent from school yesterday.

4. I didn’t pass my exam last year, so my parents weren’t happy.

A. If I had passed my exam last year, my parents would have been happy.

B. If I pass my exam last year, my parents would be happy.

C. If I had passed my exam last year, my parents will be happy.

D. If I will pass my exam, my parents would be happy.

5. I think you should pay attention to the lessons in class.

A. If I am you, I will pay attention to the lessons in class.

B. If I were you, I would pay attention to the lessons in class.

C. If I would be you, I paid attention to the lessons in class.

D. If I were you, I would have paid attention to the lessons in class.

6. It rained last night, so I didn’t go to the barbecue.

A. If it didn’t rain last night, I would go to the barbecue.

B. If it didn’t rain last night, I would have gone to the barbecue.

C. If it rained last night, I wouldn’t go to the barbecue.

D. If it hadn’t rained last night, I would have gone to the barbecue.

7. His electric fan does not work so he feels hot.

A. If his electric fan works, he won’t feel hot.

B. If his electric fan doesn’t work, he won’t feel hot.

C. If his electric fan worked, he wouldn’t feel hot.

D. If his electric fan would work, he felt hot.

8. Our parents don’t have enough money so they can’t make a trip to New York.

A. If our parents had enough money, they could make a trip to New York.

B. If our parents have enough money, they can make a trip to New York.

C. If our parents had had enough money, they could have made a trip to New York.

D. If our parents didn’t have enough money, they couldn’t make a trip to New York.

9. We won’t go out if it doesn’t stop raining.

A. We will not go out unless it doesn’t stop raining.

B. We will not go out unless it stops raining.

C. We will go out unless it stops raining.

D. We do not go out unless it will stop raining.

10. He doesn’t write because he doesn’t hear any news.

A. He would not write unless he heard some news.

B. He would write unless he heard some news.

C. He would not write if he heard some news.

D. He would write if he didn’t hear some news.

EXERCISES ON

CONDITIONAL SENTENCE TYPE 3

* Exercise 2: Complete each of the following sentences in such a way that it means the same as the sentence printed before it.

1. We didn^’t know your phone number, so we could not contact you.

→ ________________________________________________________________

2. She didn^’t hurry, so she missed the train.

→ _______________________________________________________________

3. Susan felt sick because she ate 4 cream cakes.

→ ________________________________________________________________

4. If he hadn’t wasted too much time, he wouldn’t have failed in his examination.

→ _________________________________________________________________

5. I had been so excited because my mother gave me a new bike.

→ _______________________________________________________________

6. We didn’t have a map, so we lost in the jungle.

→ ________________________________________________________________

7. He couldn’t drive his car because he has no driving license.

→ _______________________________________________________________

8. He lost his money because he wasn’t careful.

→ ______________________________________________________________

9. The children couldn’t go camping because it rained heavily.

→ ________________________________________________________________

10. My friend didn’t give me her address, so I couldn’t find her house.

→ __________________________________________________________________

* Exercise 3: Choose the best answer to complete these following sentences.

1. He wouldn’t have had an accident if he _____________ more carefully.

A. drives B. drove C. had driven D. was driving

2. If you _____________ better last night, you wouldn’t have been so tired.

A. sleep B. had slept C. was sleeping D. slept

3. If I had noticed him, I _____________ hello to him.

A. say B. said C. would say D. would have said

4. ____________ for work early, he could have caught the bus.

A. If Peter left B. Peter left C. had Peter left D. If Peter had left

5. Jane _____ in such a trouble if she had been more carefully when typing the contract.

A. won’t be B. wouldn’t be

C. won’t have been D. wouldn’t have been

6. If he hadn’t wasted too much time, he ____________ in his examination.

A. would fail B. wouldn’t fail

C. wouldn’t have failed D. won’t fail

7. If I had taken that English course, I____________ much progress.

A. had made B. would have made

C. made D. would make

8. If we had checked the petrol before we started, we ____________ here.

A. wouldn't stop B. wouldn't have stopped

C. would have stopped D. would stop

9. “Did he study yesterday?” “No, but if he ____, he’d have done better on today’s test.”

A. had B. has C. will study D. had done

10. What would you have done if you _____________ a lot of money?

A. had B. had had C. have had D. have

11. The movie was sad and she wept. If it____________ sad, she_____________.

A. hadn’t been/ wouldn’t have wept B. wasn’t/ wouldn’t weep

C. wasn’t/ would weep D. had been/ would have wept

12. If I had had free time, I _____________ shopping.

A. would have gone B. can go

C. will go D. will have gone

13. If you had come to the party, you _____________ her.

A. would meet B. had met C. would have met D. met

14. I decided to stay at home last night. I would have gone out if I ________ so tired. A. wasn’t B. weren’t C. wouldn’t have been D. hadn’t been

15. "Did he lose?" "Yes, but if he had tried harder, he_____________ won."

A. might B. might have C. might of D. might has

* Exercise 4: Choose the sentence which has the similar meaning to the given one.

1. Tom got to the station in time to catch his train.

A. If Tom had missed his train, he would have been late for his interview.

B. If Tom missed his train, he would have been late for his interview.

C. If Tom had missed his train, he would be late for his interview.

D. If Tom had missed his train, he would have be late for his interview.

2. He stepped on the mine, and it exploded.

A. If he doesn’t step on the mine, it doesn’t explode.

B. If he doesn’t step on the mine, it won’t explode.

C. If he didn’t step on the mine, it wouldn’t explode.

D. If he hadn’t stepped on the mine, it wouldn’t have exploded.

3. If I was ill, so I was absent from school yesterday.

A. If I hadn’t been ill, I wouldn’t be absent from school yesterday.

B. If I wasn’t ill, I wouldn’t have been absent from school yesterday.

C. If I have been ill, I wouldn’t have been absent from school yesterday.

D. If I hadn’t been ill, I wouldn’t have been absent from school yesterday.

4. I didn’t pass my exam last year, so my parents weren’t happy.

A. If I had passed my exam last year, my parents would have been happy.

B. If I pass my exam last year, my parents would be happy.

C. If I had passed my exam last year, my parents will be happy.

D. If I will pass my exam, my parents would be happy.

5. I think you should pay attention to the lessons in class.

A. If I am you, I will pay attention to the lessons in class.

B. If I were you, I would pay attention to the lessons in class.

C. If I would be you, I paid attention to the lessons in class.

D. If I were you, I would have paid attention to the lessons in class.

6. It rained last night, so I didn’t go to the barbecue.

A. If it didn’t rain last night, I would go to the barbecue.

B. If it didn’t rain last night, I would have gone to the barbecue.

C. If it rained last night, I wouldn’t go to the barbecue.

D. If it hadn’t rained last night, I would have gone to the barbecue.

7. His electric fan does not work so he feels hot.

A. If his electric fan works, he won’t feel hot.

B. If his electric fan doesn’t work, he won’t feel hot.

C. If his electric fan worked, he wouldn’t feel hot.

D. If his electric fan would work, he felt hot.

8. Our parents don’t have enough money so they can’t make a trip to New York.

A. If our parents had enough money, they could make a trip to New York.

B. If our parents have enough money, they can make a trip to New York.

C. If our parents had had enough money, they could have made a trip to New York.

D. If our parents didn’t have enough money, they couldn’t make a trip to New York.

9. We won’t go out if it doesn’t stop raining.

A. We will not go out unless it doesn’t stop raining.

B. We will not go out unless it stops raining.

C. We will go out unless it stops raining.

D. We do not go out unless it will stop raining.

10. He doesn’t write because he doesn’t hear any news.

A. He would not write unless he heard some news.

B. He would write unless he heard some news.

C. He would not write if he heard some news.

D. He would write if he didn’t hear some news.

EXERCISES ON

CONDITIONAL SENTENCE TYPE 3

* Exercise 2: Complete each of the following sentences in such a way that it means the same as the sentence printed before it.

1. We didn^’t know your phone number, so we could not contact you.

→ ________________________________________________________________

2. She didn^’t hurry, so she missed the train.

→ _______________________________________________________________

3. Susan felt sick because she ate 4 cream cakes.

→ ________________________________________________________________

4. If he hadn’t wasted too much time, he wouldn’t have failed in his examination.

→ _________________________________________________________________

5. I had been so excited because my mother gave me a new bike.

→ _______________________________________________________________

6. We didn’t have a map, so we lost in the jungle.

→ ________________________________________________________________

7. He couldn’t drive his car because he has no driving license.

→ _______________________________________________________________

8. He lost his money because he wasn’t careful.

→ ______________________________________________________________

9. The children couldn’t go camping because it rained heavily.

→ ________________________________________________________________

10. My friend didn’t give me her address, so I couldn’t find her house.

→ __________________________________________________________________

* Exercise 3: Choose the best answer to complete these following sentences.

1. He wouldn’t have had an accident if he _____________ more carefully.

A. drives B. drove C. had driven D. was driving

2. If you _____________ better last night, you wouldn’t have been so tired.

A. sleep B. had slept C. was sleeping D. slept

3. If I had noticed him, I _____________ hello to him.

A. say B. said C. would say D. would have said

4. ____________ for work early, he could have caught the bus.

A. If Peter left B. Peter left C. had Peter left D. If Peter had left

5. Jane _____ in such a trouble if she had been more carefully when typing the contract.

A. won’t be B. wouldn’t be

C. won’t have been D. wouldn’t have been

6. If he hadn’t wasted too much time, he ____________ in his examination.

A. would fail B. wouldn’t fail

C. wouldn’t have failed D. won’t fail

7. If I had taken that English course, I____________ much progress.

A. had made B. would have made

C. made D. would make

8. If we had checked the petrol before we started, we ____________ here.

A. wouldn't stop B. wouldn't have stopped

C. would have stopped D. would stop

9. “Did he study yesterday?” “No, but if he ____, he’d have done better on today’s test.”

A. had B. has C. will study D. had done

10. What would you have done if you _____________ a lot of money?

A. had B. had had C. have had D. have

11. The movie was sad and she wept. If it____________ sad, she_____________.

A. hadn’t been/ wouldn’t have wept B. wasn’t/ wouldn’t weep

C. wasn’t/ would weep D. had been/ would have wept

12. If I had had free time, I _____________ shopping.

A. would have gone B. can go

C. will go D. will have gone

13. If you had come to the party, you _____________ her.

A. would meet B. had met C. would have met D. met

14. I decided to stay at home last night. I would have gone out if I ________ so tired. A. wasn’t B. weren’t C. wouldn’t have been D. hadn’t been

15. "Did he lose?" "Yes, but if he had tried harder, he_____________ won."

A. might B. might have C. might of D. might has

* Exercise 4: Choose the sentence which has the similar meaning to the given one.

1. Tom got to the station in time to catch his train.

A. If Tom had missed his train, he would have been late for his interview.

B. If Tom missed his train, he would have been late for his interview.

C. If Tom had missed his train, he would be late for his interview.

D. If Tom had missed his train, he would have be late for his interview.

2. He stepped on the mine, and it exploded.

A. If he doesn’t step on the mine, it doesn’t explode.

B. If he doesn’t step on the mine, it won’t explode.

C. If he didn’t step on the mine, it wouldn’t explode.

D. If he hadn’t stepped on the mine, it wouldn’t have exploded.

3. If I was ill, so I was absent from school yesterday.

A. If I hadn’t been ill, I wouldn’t be absent from school yesterday.

B. If I wasn’t ill, I wouldn’t have been absent from school yesterday.

C. If I have been ill, I wouldn’t have been absent from school yesterday.

D. If I hadn’t been ill, I wouldn’t have been absent from school yesterday.

4. I didn’t pass my exam last year, so my parents weren’t happy.

A. If I had passed my exam last year, my parents would have been happy.

B. If I pass my exam last year, my parents would be happy.

C. If I had passed my exam last year, my parents will be happy.

D. If I will pass my exam, my parents would be happy.

5. I think you should pay attention to the lessons in class.

A. If I am you, I will pay attention to the lessons in class.

B. If I were you, I would pay attention to the lessons in class.

C. If I would be you, I paid attention to the lessons in class.

D. If I were you, I would have paid attention to the lessons in class.

6. It rained last night, so I didn’t go to the barbecue.

A. If it didn’t rain last night, I would go to the barbecue.

B. If it didn’t rain last night, I would have gone to the barbecue.

C. If it rained last night, I wouldn’t go to the barbecue.

D. If it hadn’t rained last night, I would have gone to the barbecue.

7. His electric fan does not work so he feels hot.

A. If his electric fan works, he won’t feel hot.

B. If his electric fan doesn’t work, he won’t feel hot.

C. If his electric fan worked, he wouldn’t feel hot.

D. If his electric fan would work, he felt hot.

8. Our parents don’t have enough money so they can’t make a trip to New York.

A. If our parents had enough money, they could make a trip to New York.

B. If our parents have enough money, they can make a trip to New York.

C. If our parents had had enough money, they could have made a trip to New York.

D. If our parents didn’t have enough money, they couldn’t make a trip to New York.

9. We won’t go out if it doesn’t stop raining.

A. We will not go out unless it doesn’t stop raining.

B. We will not go out unless it stops raining.

C. We will go out unless it stops raining.

D. We do not go out unless it will stop raining.

10. He doesn’t write because he doesn’t hear any news.

A. He would not write unless he heard some news.

B. He would write unless he heard some news.

C. He would not write if he heard some news.

D. He would write if he didn’t hear some news.