câu điều kiện (lý thuyết, bài tập có đáp án)

CS CONDITIONAL CLAUSE EXERCISES
1. Type I: Real conditional sentences.
If + S + V
(present)
, S + will/ shall + V
(infinitive)
Eg: 1. If I am free, I will come to see you tomorrow
2. If you have finished your letter, I will post it
3. If you are doing your homework, I will wait until you finish
2. Type II: Unreal conditional sentences at present.
If + S + V
(past)
, S + would/ should + V
(infinitive)
were
Eg: 1. If I were you, I would work harder
2. What would you do if you lived in Paris now?
3. If I stayed at home now, I would watch TV.
3. Type III: Unreal conditional sentences in the past.

would
If + S + had + P
II
(past perfect)

, S + should + have + P
II
could
[
Eg: 1. If I had gone there, I would have met him.
2. If she had had enough money, she would have bought that car.

3. If he had studied hard enough, he would have passed the exams last year.
4. Mixed type of conditional sentences

would
If + S + had + P
II
(past perfect)

, S + should + V
(infinitive)
could
[
Eg: 1. If I had taken my mother’s advice, I wouldn’t be ill today.
2. If she had revised the lessons well, she would do the test easily now.
1. “Would you mind if we ___you by your first name?” -“Not at all. Please call me Tom.”
A. called B. call C. calling D. want to call
2. She can’t get home ___ she has no money.
A. unless B. if C. until D. without
3. If I had known your new address, we ___to see you.
A. came B. will come C. would come D. would have come
4. If we took the 10:30 train, ___ too early.
A. we would arrive B. we should arrive C. we will arrive D. we may arrive
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 rode, 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.
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CS CONDITIONAL CLAUSE EXERCISES
A. If B. Had C. Should D. Would
12. If you ___ to be chosen for the job, you’ll have to be experienced in the field.
A. want B. wanted C. had wanted D. wants
13. If the doctor had arrived sooner, the boy ___ saved.
A. might be B. have been C. was D. might have been
14. If there ___ enough water, the rice fields could have been more productive.
A. had been B. were C. would be D. are
15. The patient could not recover unless he ___ an operation. [undergo: pass through]
A. had undergone B. would undergo C. underwent D. was undergoing
16. If she ___ him, she would be very happy.
A. would meet B. will meet C. is meeting D. should meet
17. If he ___ a thorough knowledge of English, he could have applied for this post.
A. had had B. had C. has D. has had
18. If I had enough money, I ___ abroad to improve my English.
A. will go B. would go C. should go D. should have to go
19. If it ___ convenient, let’s go out for a drink tonight.
A. be B. is C. was D. were
20. If you ___ time, please write to me.
A. have B. had C. have had D. has
21. If it ___ tomorrow, we may postpone going on a picnic.
A. rains B. will rain C. shall rain D. raining
22. If you hadn’t watched that late movie 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.
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’t sell D. won’t sell
28. He looked frightened as if he___a ghost.
A. had seen B. saw C. would see D. was seeing
29. I wish it ___ a holiday today.
A. were B. will be C. is D. had been
30. “My car broke down when I was leaving Detroit and I had to take the bus.” -“___, we would have picked you
up.”
A. Had we known B. If we have known C. We had known D. If we did know
31. If I ___ as young as you are, I ___ in a boat round the world.
A. were- would sail B. would be – would sail C. were- will sail D. would- would sail
32. If he___tickets yesterday, he ___ on the beach now.
A. had booked- would be lying B. had booked- would have lied
C. booked – would lie D. books- will lie
33. If you ___ less last night, you ___ so bad today.
A. had drunk- would not have felt B. drank- would not feel
C. had drunk- would not feel D. would have drunk- would not feel
34. It seemed as if he ___ of it before.
A. would never hear B. has never heard C. never heard D. had never heard
35. ___ today, she would get home by Friday.

A. Would she leave B. Was she leaving C. Were she to leave D. If she leaves
36. “He’s a very brave man.” “Yes, I wish I ___ his courage.”
A. have B. had C. will have D. would have
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CS CONDITIONAL CLAUSE EXERCISES
37. ___he___ hard last year, he would have lost the first prize.
A. Had – not studied B. Had- studied C. Didn’t study D. If – had studied
38. We’re going to be late if ___ right now.
A. we not leave B. we didn’t leave C. we won’t leave D. we don’t leave
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 – lived
40. He acted as though he___ for days.
A. not eat B. hasn’t eaten C. hadn’t eaten D. didn’t eat
41. We ___ the game if we’d had a few more minutes.
A. might have won B. won C. had won D. will win
42. I ___ William with me if I had known you and he didn’t get along with each other.
A. hadn’t brought B. didn’t bring C. wouldn’t have brought D. won’t bring
43. If you ___ to my advice in the first place, you wouldn’t be in this mess right now.
A. listen B. will listen C. had listened D. listened
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’t agree C. hadn’t agreed D. wouldn’t agree
THE END
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