1.Cú thể lược bỏ IF nếu để trợ động từ đỳng trước chủ ngữ
Ex: If I were rich.... = Were I rich... If I had known ... = Had I known....
2. Unless = If not
Ex: These plants will die unless you water them regularly. = These plants will be die if you don’t water them regularly.
3. Ngoài IF, cõu điều kiện cũn bắt đầu bằng những từ nối khỏc như:
- Provided (that); On condition (that); As long as; So long as ( miễn là, với điều kiện là,..) - Suppose, supposing (giả sử)
- In case ( trong trường hợp, phũng khi, nhỡ mà,....) - Even if ( dự là, cho là...)
Ex: I’ll accept the job provided the salary is satisfactory. In case I forget, please remind me of my promise. Supposing you won a lot of money, what would you do?
Even if we had been invited, we could not have come because we were very busy.
PHẦN B: BÀI TẬP 1I.Find one choice that best completes the sentences: I.Find one choice that best completes the sentences:
1. I am flying to the States tonight.I ... you a ring if I can find a phone.
a. will give b. would give c. could give d. have given 2. We’ll need more staff ... we start the new project.
a. unless b. whether c. in case d. or 3. If I ... 10 years younger, I ... the job.
a. am/ will take b. was/ have taken c. had been / will have taken d. were / would take 4. ... I had learnt English when I was at high school.
a. Unless b. Even if c. If d. If only 5. You are not allowed to use the club’s facilities... you are a member.
a. unless b. if c. provided d. supposed 6. If she ... the train last night , she ... here now.
a. took / were b. were taking / is c. had taken / would have been d. had taken / would be 7. ... if a war happened?
a. What you would do b. What would you do c. What will you do d. What you will do 8. I would send her a fax if I ... her namber.
a. know b. knew c. had known d. could know. 9. ... it were well paid , I would accept this proposal.
a. Providing b. Unless c. But for d. If only 10. ... more carefully , he would not have had the accident yesterday.
a. If Peter driven b. If had Peter driven c. Had Peter driven d. Unless Peter had driven. 11. If you ... to my advice , you ... in trouble now.
a. listened / were not b. listen / are not
12. If you take the 8 a.m. flight to New York, you ... change planes.
a. could not have to b. will not have to c. had not had to d. would not to have to 13. If it ... warm yesterday , we would have gone to the beach.
a. was b. were c. had been d. could be 14. If it ... an hour ago , the streets ... wet now.
a. were raining / will be b. had rained / would be c. rained / would be d. had rained / would have be 15. ... here , he would helped us with there troubles.
a. Were Peter b. If were Peter c. Unless were Peter d. Unless Peter were. 16. ... that problem with the car , we wouldn’t have missed the speech.
a. If we had had b. If had we had
c. Unless we had had d. Provided that we had had
17. If I were a little taller ,I... be able to water tha plant on the top shelf.
a. did b. would c. had d. would have. 18. If you hear from Susan today , ... her to ring me. (adsbygoogle = window.adsbygoogle || []).push({});
a. tell b. to tell c. telling d. will tell. 19. She had to have the operation ...
a. unless she would dies b. if she would die c. otherwise she will die d. or she would die 20. If the traffic... bad , I may get home late.
a. is b. were c. was d. had been 21. If it ... last night , it ... so hot today.
a. rained / is not b. was raining / were not c. had rained / would not have been d. had rained / would not be 22. Without your recommendation , we ... any success last year.
a. had not got b. did not get c. will not have got d. would not have got 23. ... he gets here soon , we will have to start the meeting without him.
a. Suppose b. Provided c. Unless d. If 24. ... as much money as Bill Gates of Microsoft , I would retire.
a. Did I have b. If did I have c. Unless I had d. If I had had 25. If I ... it was a formal party, I wouldn’t have gone wearing jeans and a jumper.
a. knew b. had known c. had been knowing d. could know 26. Tom’s company will almost certainly like him ... he improves his attitude.
a. unless b. or c. otherwise d. if. 27. If my client ... me her fax number , I ... to post a letter to her.
a. gave / will not have b. will give / do not have c. had given / wouldn’t have had d. had given / will not have had 28. ... I had brought my laptop to the meeting yesterday.
a. If b. If only c. Even if d. As if 29. If I ... the lottery last week , I ... rich now.
a. had won / would be b. had won / would have been c. won / would be d. won / would have been 30. Carrie said she will join the company if the starting salary ... her expectations.
a. meets b. met c. has met d. had met. 31 .If I was you, I ... that.
a. would apply for b. will ask for c. will have change d. can take 32. If I ... a wish, I’d wish for happiness for my family.
a. have b. been having c. had d. was having
33. If we had had time, we... to the party.
a. can go b. will go c. would have gone d. will have gone
34. We couldn’t understand the teacher if he ... too fast.
a. spoke b. has spoken c. doesn’t speak d. didn’t speak
35. If everything is all right, we ... our work on time.
a. complete b. are completing c. have completed d. will complete
36. What ... if the eart suddenly stopped going around the sun.
a. happens b. will happen c. would happen d. happened
37. Unless you ... quiet, I’ll scream.
a. don’t keep b. keep c. didn’t keep d. kept
38. You’ll be able to speak English well if you... hard.
a. study b. studied c. would study d. had studied
39. If I... you, I ... invitation.
a. am/ will refuse b. was/ would refuse c. were/ would refuse d. had been/ will refuse 40. ..., I’d have told you the answer.
a. If you asked me b. Had youy asked me c. You had asked me d. Unless you asked me (adsbygoogle = window.adsbygoogle || []).push({});
II. Choose the correct sentence among A, B, C or D which has the same meaning as the given one.
41. If we had lost the map, we would never have found our way .
a. We will have found our way unless we lost the map. b. We found our way because we didn’t lose the map. c. We would have lost our way if we had lost the map. d. If we lost the map, we didn’t find our way.
42. He didn’t hurry so he missed the plane.
a. If he hurried, he wouldn’t miss the train. b. If he had hurried, he might catch the plane. c. If he had hurried, he could have caught the plane. d. He didn’t miss the plane because he hurried. 43. If I were taller, I could reach the shelf.
a. I am not tall enough to reach the top shelf. b. I am too tall to reach the top shelf.
c. I cannot reach the top shelf beacause I am very tall. d. In spite of being tall, I cannot reach the top shelf. 44. I will agree to these conditions provided that they increase my salary.
a. They did not increase my salary so I quit the job. b. I will only agree these conditions if they give me more money.
c. They give me more money or I will only agree these conditions. d. Unless they give me more money, I will only agree these conditions. 45. If only I had studied hard enough to pass the final exam .
a. I regret not studying hard enough to pass the exam. b. I had studied hard enough and I passed the fi9anl exam.
c. I studied too hard to pass the fianla exam. d. I studied hard otherwise I would fail the fianal exam.
46. John speaks Chinese fluently because he used to live in China for ten years. a. Suppose John has lived in China for ten years , he can speak Chinese fluently. b. Provided that John lived in China for ten years , he could speak Chinese fluently.
c. Unless John had lived in China for ten years , he could not have spoken Chinese fluently. d. John could not speak Chinese fluently if he had not lived in China for ten years.
III.Choose the underlined part among A, B, C or D that needs correcting:
48. If had known she was ill, I would go to visit her. A B C D
49. I can’t go with you unless I will get my work finished. A B C D 50. If she had eaten fewer sweets, she would lose weight. A B C D
51. You would have met Mary if you came here yesterday evening. A B C D
52. If they want to increase output, they had to modenize the factory. A B C D
BĂI TẬP 2Exercise: Choose the best answer: Exercise: Choose the best answer:
1. Are we lost? I think so. I wish we --- a map with us today.
A. were bringing B. brought C. had brought D. would bring
2. These figures are too complicated to work out in your head. Yes, --- a calculator.
A.I wish we would have B. if only we had C. if only we had had D. I wish we have 3. 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
4. If energy --- inexpensive and unlimited, many things in the world would be different.
A. is B. will be C. would be D. were
5. Unless you --- all of my questions, I can’t do anything to help you.
A. answered B. answer C. would answer D. are answering
6. Had you told me that this was going to happen, I --- it.
A. hadn’t believed B. don’t believe C. can’t believe D. would never have believed (adsbygoogle = window.adsbygoogle || []).push({});
7. My feet are killing me. I wish I --- more comfortable shoes.
Year, me too. I wish I --- that we were going to have to walk this much.
A. had worn/ knew B. am wearing/ had known C. were wearing/ would know D. wore/ had known 8. --- interested in that subject, I would try to learn more about it.
A. If I am B. Should I C. I was D. Were I
9. If I had enough money, ---.
A. I will buy that house B. I am buy that house C. I can buy that house D. I could buy that house 10. Had I had time, I --- to the beach with you this weekend.
A. will come B. would come C. will have come D. would have come
11. If he --- that she was in the hospital, he --- to see her.
A. knows/ will come B. knew/ would come
C. had known/ would have come D. has known/will have come
12. If everything is all right, we --- our work on time.
A. complete B. are completing C. have completed D. will complete
13. If I were you, I would work hard.
A. You would rather not work so hard B. You should work harder
C. You should work with me. D. Do not work so hard. 14. We didn’t visit the museum because we had no time.
museum.
C. If we had time, we would visit the museum. D. If we had had time, we will have visited the museum. 15. --- I have time, I will go with you.
A. If B. Unless C. So D. So that
16. --- harder, you would have passed the exam.
A. If you studied B. If had you studied C. Had you studied D. Were you studied 17. If the police hadn’t saved me, I --- at that time.
A. will die B. would die C. will have died D. would have died
18. --- at 4 o’clock, we would have missed seeing Bob.
A. If we had gone B. Had we gone C. because we had gone D. A and B
Gỏch dửụựi ủaựp aựn ủuựng.
1) If that hat costs much, I (would have bought/will buy/bought/would buy) a small one.
2) If you (drive/drove/had driven/driven) more carefully, you wouldn’t have had so many accidents. 3) If I (make/makes/made/had made) that mistake again, my teacher will get angry withme.
4) If I spoke English, my job (was/were/will be/would be) a lot easier.
5) If he (goes/went/had gone/would go) to London yesterday, he (met/would meet/had met/would have met) his old friend.
6) I will lend them some money if they (ask/will ask/asked/had asked) me.
7) If we had known who he was, we (would have invited/have invited/will invite/would invite) him to speak at our meeting. (adsbygoogle = window.adsbygoogle || []).push({});
8) My dog will bark if it (hear/hears/heard/had heard) any strange sounD. 9) If I (had/had had/will have/have) enough money, I would buy a house. 10) They (won’t let/not let/wouldn’t let/hadn’t let) you in if you come late.
11) If you (not go/don’t go/hadn’t gone/didn’t go) away, I’ll send for a policeman. 12) If I (were/am/be/was) in your place, I would accept Mr. Anderson’s invitation. 13) If I (win/had won/won/winning) a big prize in a lottery, I’d give up my job. 14) If I (is/am/was/were) you, I (will tell/told/would tell/would have told) the truth.
15) I was busy. If I (have/had/had had/have had) free time. I (would go/will go/would have gone/go) to the cinema with you.
16) Why didn’t you attend the meeting?
Oh, I did not know. If I (know/knew/had known/known) I (would come/would have come/will come/had come) there.
17) What (would/will/did/had) we do if they do not come tomorrow?
18) If I had enough time now, I (would write/write/will write/wrote) to my parents.
19) It’s too bad Helen isn’t here. If she (is/was/were/are) here, she (will know/knows/would know/would have known) what to do.
20) If I don’t eat breakfast tomorrow morning, I (will get/got/would get/had got) hungry during class. 21) If she (come/comes/came/had come) late again, she’ll lose her job.
22) I’ll let you know if I (find/finds/found/had found) out what’s happening. 23) If we (live/lived/would live/had lived) in a town, life would be better. 24) I’m sure he wouldn’t mind if we (arrive/arriving/arrived/had arrived) early. 25) We (will phone/would phone/phoned/had phoned) you if we have time.
26) If I won the lottery, I (gave/had given/will give/would give) you half the money. 27) It (will/would/can/may) be a pity if she married Fred.
28) If I’m free on Saturday, I (to go/could go/went/can go) to the mountains. 29) She (will has/had/will have/have) a nervous breakdown if she goes on like this. 30) I know I’ll feel better if I (will stop/stopped/stop/had stopped) smoking.
31) If I (am/were/will be/had been) you, I would help him.
32) I could have understood him if he (speaks/spoke/had spoken/would speak) more slowly.
33) He didn’t listen to the teacher. If he (listens/listened/has listened/had listened) carefully, he (will performed/would perform/would have performed/had performed) well in the examination.
34) He’s waiting for his mother to come back from Chicago. If his mother (come/comes/will come/came) home, he (will has/will have/has/had) a lot of presents.
35) He wanted to buy some Christmas presents but he couldn’t. If he (afforded/affords/had
afforded/would afford) to buy, his children (are/were/would have be/would have been) very happy to greet a new year.
36) The kitchen will look better if we (have/had/had had/would have) red curtains. 37) If I knew his address, I (go/will go/would go/went) round and see him.
38) If you (hadn’t been/weren’t/aren’t/wouldn’t be) so busy, I would have shown you how to play. 39) It (will be/would be/were/been) quicker if you use a computer.