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Đáp án C
Giải thích: Hành động “theo sát xe” và “không dừng kịp” đều ở quá khứ, vế kết quả cũng có cấu trúc would have Vpp, nên ta sử dụng câu điều kiện loại III.
If S had Vpp, S would have Vpp: dùng để giả sử hành động xảy ra trái với sự thật trong quá khứ.
Run into: đâm vào
Dịch nghĩa: Nếu tôi không bám theo chiếc ôtô kia quá sát thì tôi đã có thể kịp dừng lại thay vì đâm vào nó.
Đáp án B
Kiến thức về đảo ngữ
Tạm dịch: Chúng ta không phải rửa bát nữa. Chúng ta vừa mới mua một chiếc máy rửa bát.
A. Việc rửa bát với chúng ta không quan trọng, ngay cả khi chúng ta có máy rửa bát
B. Chúng ta không cần rửa bát nữa vì chúng ta vừa mua một chiếc máy rửa bát
C. Chiếc máy rửa bát chúng ta mới mua cần phải làm việc của nó.
D. Với sự giúp đỡ của chiếc máy rửa bát mình mới mua, chúng mình không phải rửa bát thường xuyên.
VII. Choose the sentence which has the same meaning as the root one.
1. " I couldn't have made it without your help' means
A. I couldn't have made it if you helped me.
B. I couldn't have made it if you had helped me.
C. I couldn't have made it if you hadn't helped me.
D. I couldn't have made it if you didn't help me.
2. She didn't stop her car because she didn't see the signal.
A. If she saw the signal, she would stop her car.
B. If she had seen the signal, she would stop her car.
C. If she had seen the signal, she would have stopped her car.
D. If she saw the signal, she would have stopped her car.
3. His flight was deplayed so he couldn't be here on time.
A. He would be here in time if his flight were not deplayed.
B. He would have been here in time if his flight hadn't been deplayed.
C. He would be here in time if his flight hadn't been deplayed.
D. He would have been here in time if his flight weren't deplayed.
4. Without your help, I couldn't overcome the problem.
A. If you don't help me, I can't overcome problem.
B. If you didn't help me, I couldn't overcome problem.
C. If you hadn't helped me, I couldn't overcome problem.
D. If you hadn't helped me, I couldn't have overcome problem.
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.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 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.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. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.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 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.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. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. 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. 23.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. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.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 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.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. 35.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. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.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
C
Nếu không phải do cậu ta bất cẩn, chúng tôi đã hoàn thành công việc.
A. Cậu ta bất cẩn vì chưa làm xong công việc. (Sai về nghĩa)
B. Nếu cậu ta cẩn thận, chúng tôi sẽ làm xong công việc.
(dùng sai loại câu điều kiện làm sai ý nghĩa câu. Câu gốc dùng điều kiện loại 3 nhằm chỉ giả thiết về sự việc không có thực trong quá khứ, câu B dùng điều kiện loại 2 nói đến giả thiết về sự việc không có thực trong hiện tại.)
C.Nếu cậu ta cẩn thận hơn, chúng tôi đã hoàn thành công việc.
D. Vì cậu ta không bất cẩn nên chúng tôi không làm xong việc. (Sai về nghĩa)
=> Đáp án C
Chọn đáp án C
Giải thích: Anh ta đã bất cẩn, và chúng tôi đã không hoàn thành công việc
A. Anh ta bất cẩn vì chưa hoàn thành công việc. => sai nghĩa so với câu gốc
B. Nếu anh ta không cẩn thận, chúng tôi sẽ hoàn thành công việc. => sai thì
C. Nếu anh ta cẩn thận hơn, chúng tôi sẽ hoàn thành công việc.
D. Bởi vì anh ta không bất cẩn, chúng tôi đã không hoàn thành công việc. => sai nghĩa ở “not”
Dịch nghĩa: Nếu không phải vì sự bất cẩn của anh ta, chúng tôi sẽ hoàn thành công việc.
Đáp án C
Nếu không phải do cậu ta bất cẩn, chúng tôi đã hoàn thành công việc.
= Nếu cậu ta cẩn thận hơn, chúng tôi đã hoàn thành công việc.
Các đáp án còn lại:
A. Cậu ta bất cẩn vì chưa làm xong công việc.
B. Nếu cậu ta cẩn thận, chúng tôi sẽ làm xong công việc.
(dùng sai loại câu điều kiện làm sai ý nghĩa câu. Câu gốc dùng điều kiện loại 3 nhằm chỉ giả thiết về sự việc không có thực trong quá khứ, câu B dùng điều kiện loại 2 nói đến giả thiết về sự việc không có thực trong hiện tại.)
D. Vì cậu ta không bất cẩn nên chúng tôi không làm xong việc.
Đáp án : C
Câu điều kiện loại 3, giả định một điều không xảy ra trong quá khứ: If S + had + past participle, S + would have + past participle