CONDITIONAL SENTENCES AND WISH CLAUSES
Exercise 1: One of the four underlined parts marked A, B, C, D in each sentence is not correct in
standard English. Identify them.
1. If Lucia had been here now, she would find out the truth about her uncle’s accident.
A B C D
2. If a student takes a course on Computer Science, it will take him four years doing the course.
A B C D
3. Unless it did not rain, Peter would pay us a visit.
A B C D
4. If had I known you were in financial difficulty, I would have helped you.
A B C D
5. If I had knew the time when the match started, I would have told you.
A B C D
6. If she had finished the work, she can go home.
A B C D
7. If I had spoken more confident at the interview, they would have offered me the job.
A B C D
8. If we had had a map, we would not be lost yesterday.
A B C D
9. Had I known Alice’s address, I would write to her.
A B C D
10. If I had realized that the traffic lights were red, I would stop.
A B C D
11. If had you sent the application form to that company, you would have been offered a job.
A B C D
12. If you don’t care conservation the environment, we will get unavoidable disasters.
A B C D /,ʌnə'vɔidəbl/ kh. thể tránh được;
tất yếu
13. He spends money carelessly as if he was a millionaire.
A B C D
14. Unless you work harder, you will be sack because of your laziness.

11. I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
12. _____ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
13. I think you should stop smoking.
A. If I am you, I will stop smoking. B. If I were you, I will stop smoking.
C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking.
14. If you take the ice out of the fridge, it _____.
A. vaporizes B. melts C. heats D. disappears
15. We should do something to protect water from being polluted _____we will have nothing to drink in
the future.
A. if B. whether C. or D. unless
16. If / you / want / get ahead / this company / have / be prepared / work / long hours.
A. If you want to get ahead this company, you have to be prepared work long hours.
B. If you want to get ahead in this company, you have to be prepared working long hours.
C. If you want to get ahead for this company, you have to be prepared working long hours.
D. If you want to get ahead in this company, you have to be prepared to work long hours.
17. not / forget / keep / touch / me / if / you / come / Singapore.
A. Don’t forget keeping in touch with me if you come to Singapore.
B. Don’t forget to keeping in touch with me if you come to Singapore.
C. Don’t forget to keep in touch with me if you come to Singapore.
D. Don’t forget kept in touch with me if you come to Singapore.
18. If I can’t afford something, I never buy it.
A. I never buy anything that I can’t afford.
B. I never buy something that I can’t afford.
C. I never buy anything that I can afford.
D. The thing that I can’t afford I never buy anything.
19. The police want to contact with people if they saw him.
A. The police want to talk to anyone who sees the man.
B. The police want to talk to anyone who saw the man.

A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled.
C. if it rained, the match would be cancelled. D. If it had rained, the match would have been
cancelled.
29. Unfortunately, I don’t know Philosophy, so I can’t answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.
30. If the bag had not been heavy, we would have taken it with us.
A. The bag is heavy, so we cannot take it with us.
B. The bag was heavy, so we could not take it with us.
C. Because the bag was heavy so we could not take it with us.
D. We took the bag with us although it was heavy.
31. _____ there are some more ideas, we can end the meeting now.
A. If B. As if C. Unless D. In case
32. If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy
33. If they had searched more carefully, they…the watch sooner.
A. will find B. would find C. found D. would have found
34. If I had got up early, I _____ to have breakfast now.
A. have B.I had C. would have D. would have had
35. He talked as if nothing _____.
A. has happened B. had happened C. will happen D. would happen
36. Can you imagine what _____ if everyone _____ .
A. will happen / can fly B. would happen / could fly
C. had happened / could have flown D. happened / will have happened
37. The wind was so strong that the cottage collapsed.
A. The wind was too strong to collapse the cottage.
B. If the wind were not so strong, the cottage would not collapse.
C. Due to the strong wind, the cottage collapsed.

48. He needs a lot of money to cure his daughter’s illness_____ he works day and night.
A. if B. unless C. then D. so
49. Sam will not graduate_____.
A. if he passed all the tests B. if he does not pass all the tests.
C. unless he passes all the tests D. unless he had passed all the tests.
50. _____ , we cannot continue our journey.
A. If there is not enough food B. If only there is not enough food
C. Only if there is enough food D. If there was enough food
51. If I had been more confident, I would have passed the driving test.
I failed my driving test because of my lack of confidence.
I had failed my driving test because of my lack of confidence.
I passed the driving test in spite of my lack of confidence.
I passed the driving test with confidence.
52. You / in need / I / help.
A. If you are in need, I will help you with something.
B. If you are in need, and I will help you with something.
C. If you are in need or I will help you with something.
D. Otherwise you are in need, I will help you with something.
53. Ok / I / pick you up / 4 o’clock / afternoon?
A. Do you OK if I pick you up at 4 o’clock in the afternoon?
B. Is it OK if I pick if I pick you up at 4 o’clock in the afternoon?
C. Do you mind it is OK if I pick you up at 4 o’clock in the afternoon?
D. I wonder is it OK if I pick you up at 4 o’clock in the afternoon?
54. I / get / refund / change / another sweater.
A. I would like to get the refund if you can change me another sweater.
B. Unless I would like to get the refund or you can change me another sweater.
C. I would like to get the refund or you can change me another sweater.
D. I would like to get the refund; consequently, you can change me another sweater.
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55. If I had time, I would go with you.

20. If had I known you were in financial difficulty, I would have helped you.
A B C D
21. If I had knew the time when the match started, I would have told you.
A B C D
22. If she had finished the work, she can go home.
A B C D
23. If I had spoken more confident at the interview, they would have offered me the job.
A B C D
24. If we had had a map, we would not be lost yesterday.
A B C D
25. Had I known Alice’s address, I would write to her.
A B C D
26. If I had realized that the traffic lights were red, I would stop.
A B C D
27. If had you sent the application form to that company, you would have been offered a job.
A B C D
28. If you don’t care conservation the environment, we will get unavoidable disasters.
A B C D
29. He spends money carelessly as if he was a millionaire.
A B C D
30. Unless you work harder, you will be sack because of your laziness.
5
A B C D
31. Unless there had been the heavy storm, the climbers will not have died.
A B C D
32. She has found that nobody can help her if she did not try her best to do it herself.
A B C D
Exercise 2: Choose the best answer for each of the following sentences.
61. If the oceans _____of fresh water, there_____ plenty of water to irrigate all the deserts on earth.
A. is / will be B.were / would be C. would be / were. D. had been / would have been

A. vaporizes B. melts C. heats D. disappears
75. We should do something to protect water from being polluted _____we will have nothing to drink in
the future.
A. if B. whether C. or D. unless
76. If / you / want / get ahead / this company / have / be prepared / work / long hours.
E. If you want to get ahead this company, you have to be prepared work long hours.
F. If you want to get ahead in this company, you have to be prepared working long hours.
G. If you want to get ahead for this company, you have to be prepared working long hours.
H. If you want to get ahead in this company, you have to be prepared to work long hours.
77. not / forget / keep / touch / me / if / you / come / Singapore.
E. Don’t forget keeping in touch with me if you come to Singapore.
F. Don’t forget to keeping in touch with me if you come to Singapore.
G. Don’t forget to keep in touch with me if you come to Singapore.
H. Don’t forget kept in touch with me if you come to Singapore.
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78. If I can’t afford something, I never buy it.
E. I never buy anything that I can’t afford.
F. I never buy something that I can’t afford.
G. I never buy anything that I can afford.
H. The thing that I can’t afford I never buy anything.
79. The police want to contact with people if they saw him.
E. The police want to talk to anyone who sees the man.
F. The police want to talk to anyone who saw the man.
G. The police wants to talk to anyone who saw the man.
H. The police who saw the man want to talk to someone.
80. How should people be punished if they start a fire?
E. What we should do with someone who starts the fire?
F. What should we do with someone starts the fire?
G. What with someone who starts the fire should we do?
H. What should we do with someone who starts the fire?

90. If the bag had not been heavy, we would have taken it with us.
E. The bag is heavy, so we cannot take it with us.
F. The bag was heavy, so we could not take it with us.
G. Because the bag was heavy so we could not take it with us.
H. We took the bag with us although it was heavy.
91. _____ there are some more ideas, we can end the meeting now.
A. If B. As if C. Unless D. In case
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92. If he _____ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could
enjoy
93. If they had searched more carefully, they…the watch sooner.
A. will find B. would find C. found D. would have found
94. If I had got up early, I _____ to have breakfast now.
A. have B.I had C. would have D. would
have had
95. He talked as if nothing _____.
A. has happened B. had happened C. will happen D. would happen
96. Can you imagine what _____ if everyone _____ .
A. will happen / can fly B. would happen / could fly
C. had happened / could have flown D. happened / will have happened
97. The wind was so strong that the cottage collapsed.
E. The wind was too strong to collapse the cottage.
F. If the wind were not so strong, the cottage would not collapse.
G. Due to the strong wind, the cottage collapsed.
H. It is the strong wind made the cottage collapsed.
98. Slow down _____.
E. In case you will get and accident.
F. Provided that you would get and accident.
G. And you will get and accident.

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A. If there is not enough food B. If only there is not enough food
C. Only if there is enough food D. If there was enough food
111. If I had been more confident, I would have passed the driving test.
A. I failed my driving test because of my lack of confidence.
B. I had failed my driving test because of my lack of confidence.
C. I passed the driving test in spite of my lack of confidence.
D. I passed the driving test with confidence.
112. You / in need / I / help.
E. If you are in need, I will help you with something.
F. If you are in need, and I will help you with something.
G. If you are in need or I will help you with something.
H. Otherwise you are in need, I will help you with something.
113. Ok / I / pick you up / 4 o’clock / afternoon?
E. Do you OK if I pick you up at 4 o’clock in the afternoon?
F. Is it OK if I pick if I pick you up at 4 o’clock in the afternoon?
G. Do you mind it is OK if I pick you up at 4 o’clock in the afternoon?
H. I wonder is it OK if I pick you up at 4 o’clock in the afternoon?
114. I / get / refund / change / another sweater.
E. I would like to get the refund if you can change me another sweater.
F. Unless I would like to get the refund or you can change me another sweater.
G. I would like to get the refund or you can change me another sweater.
H. I would like to get the refund; consequently, you can change me another sweater.
115. If I had time, I would go with you.
A.I am free and surely go with you. B.I am too busy to go with you.
C. I will go with you because I have time. D. I am free enough to go with you.
116. America/if/college tuition/high/they/may/need/work/part-time/help pay/their education.
E. In America, if college tuition was high, they may need working part-time to help pay for their
education.
F. In America, if college tuition is high, they may need working part-time to help pay for their

C. we will arrive too earlyD. we may arrive too early
5. It
’
s very crowded here. I wish there ___ so many people.
A. aren
’
t B. weren
’
t C. haven
’
t been D. isn
’
t
6. I wouldn
’
t go there at night if I ___ you.
A. am B. was C. were D. had been
7. If I ___ get a pole, I
’
ll go fishing.
A. can B. could C. may D. might
8. If they had enough time, they ___ head south.
A. will B. can C. must D. might
9. If you ___ a choice, which country would you visit?
A. have B. had C. have had D. will have
10. Trees won
’
t grow ___ there is enough water.
A. if B. when C. unless D. as
11. ___ she agreed, you would have done it.

22. If you hadn
’
t watched that late mivie last night, you ___ sleepy now.
A. wouldn
’
t have been B. wouldn
’
t be C. might have not been D. wouldn
’
t have been
being
23. If you ___ as I told you, you ___ sorry now.
A. did- would not be B. had done- had not been C. do – would not be D. had done – would not
be
24. If only I ___ him now.
10
A. see B. saw C. have seen D. seen
25. If I ___, I
’
ll let you know.
A. am staying B. will stay C. do stay D. would stay
26. If only I ___ you wanted to invest money in business.
A. had known B. knew C. have known D. know
27. Linda wishes she ___her car.
A. hasn
’
t sold B. hadn
’
t sold C. doesn
’

A. have B. had C. will have D. would
have
37. ___he___ hard last year, he would have lost the first prize.
A. Hadn
’
t – studied B. Had- studied C. Didn
’
t study D. If – had
studied
38. We
’
re going to be late if ___.
A. we not leave right nowB. we didn
’
t leave right now
C. we won
’
t leave right now D. we don
’
t leave right now
39. “I wish this city___ so noisy.” “I know. I wish we ___ in the countryside.”
A. isn
’
t – live B. wasn
’
t – live C. weren
’
t- live D. weren
’
t –

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44. ___ interested in that subject, I would try to learn more about it.
A. Were I B. Should I C. I was D. If I am

45. I ___ you sooner had someone told me you were in the hospital.
A. would have visited B. visited C. had visited D. visit
46. ___ then what I know today, I would have saved myself a lot of time and trouble over the years.
A. Had I known B. Did I know C. If I know D. If I would
know
47. Do you think there would be less conflict in the world if all people ___ the same language?
A. spoke B. speak C. had spoken D. will speak
48. Unless you ___ all of my questions, I can
’
t do anything to help you.
A. answered B. answer C. would answer D. are
answering
49. Had you told me that this was going to happen, I ___ it.
A. would never have believed B. don
’
t believe C. hadn
’
t believed D. can
’
t
believe
50. If Jake ___ to go on the trip, would you have gone?
A. doesn
’
t agree B. didn
’