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Choose the best answer for each of the following sentences.
1. 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.
2. 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.
3. 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.
4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
5. 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
6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found
7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had
8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if
9. 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
10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made
11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak
12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come
14. 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
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. 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
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. 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
5. 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
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. 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 step on the mine, it wouldn't have exploded.
1. If I (know) ___had known___ that you were ill, I (go) ____would have gone____ to see you.
2. If she'd had enough money, she (buy) ____would have bought____ a car.
3. I (buy) ____will____ a car If you lend me some money.
4. I (see) ____would have seen___ him if I (go) __had gone______ to the party last night.
5. We could have gone out if the weather (not be) ___hadn't been____ so bad.
6. If the book (not be) ____isn't___ expensive, I'll buy it.
7. You would be very surprised if he (return) ___returned_____ .
8. I'll go out if it (not rain) ____doesn't rain_____ .
9. They wouldn't come to the party if you (not invite) ___didn't invite____ them.
10. What _____would__ you (do) ____do____ if you (be) ___were____ him?
11. If that hat costs much, I (buy) ____will______ a small one.
12. If you (drive) ____drove____ more carefully, you (have) _wouldn't have_____ so much accidents.
13. If I (make) ____make____ that mistake again, my teacher (get) ____will be____ angry with me.
14. If I (spoke) ____spoke____ English, my job (be) ____would be___ a lot easier.
15. If he (go) ___had gone___ to London yesterday, he (meet) ___would have met_____ his old friend.
1. If I (know) _____had known______ that you were ill, I (go) _____would have gone_____ to see you.
2. If she'd had some money, she (buy)____would have bought_____ to see you.
3. I (buy)__will___ a car If you lend me some money.
4. I (see) ___would have seen____ him if I (go) ____had gone____ to the party last night.
5. We could have gone out if the weather (not be) ______hadn't been______ so bad.
6. If the book (not be) ____is not_____ expensive, I'll buy it.
7. You would be surprised if he (return)________returned_______.
8. I'll go out if it (not rain) _______doesn't rain_______.
9. They wouldn't come to the party if you (not invite) _____didn't invite_____ them.
10. What __would__ you (do) ____do____ if you (be) __were__ him?
11. If that hat costs much, I (buy) ___will buy___ a small one.
12. If you (drive) _____drove____ more carefully, you (not, have) _______wouldn't have_______ so many accidents.
13. If I (make) _____make____ that mistake again, my teacher (be) ___will be___ angry with me.
14. If I spoke English, my job (be) ___would be___ a lot easier.
15. If he (go) __had gone___ to London yesterday, he (meet) __would have met__ his old friend.
Gạch chân dưới đáp án đúng:
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) this mistake again, my teacher will get angry with me.
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.
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 came 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 / are / 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.
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
Viết lại mỗi câu bắt đầu như thể hiện, để ý nghĩa vẫn giữ được cùng1. Nếu bạn không cho tôi mượn tiền, tôi sẽ không thể mua máy tính mới. Trừ khi ... .2. Nếu cô ấy đã không giúp tôi, tôi không thể hoàn thành dự án của mình đúng giờ. Trừ khi..3. Bạn sẽ thất bại trong các bài kiểm tra của bạn nếu bạn không làm việc chăm chỉ hơn. Trừ khi ... 4. Chúng tôi đã bỏ lỡ chuyến tàu vì chúng tôi đã sử dụng thời gian biểu lỗi thời. Nếu..5. Anh ấy trông không hấp dẫn vì anh ấy không bao giờ cạo râu. Nếu..6. Ngôi nhà khá lạnh vì tôi không có hệ thống sưởi trung tâm. Nếu ... 7. Nếu tôi có rất nhiều tiền, tôi sẽ mua một ngôi nhà lớn là ... 8. Người Anh nói rất nhanh. Có lẽ đó là lý do tại sao tôi không hiểu chúng. Nếu ... 9. Nếu tôi đã vượt qua kỳ thi tuyển sinh, bố mẹ tôi có thể hạnh phúc hơn. Đã có ....10. Tôi đã không làm việc chăm chỉ ở trường để tôi không có được một công việc tốt. Nếu ... 11. Nếu không có sự giúp đỡ của cô, tôi không thể hoàn thành dự án của mình đúng giờ. (Tùy chọn) Nếu ...
Viết lại từng câu bắt đầu như hình minh họa để giữ nguyên ý nghĩa. Nếu bạn không cho tôi vay tiền, tôi sẽ không thể mua máy tính mới. Trừ khi… .2. Nếu cô ấy không giúp tôi, tôi sẽ không thể hoàn thành dự án của mình đúng hạn. Trừ khi..3. Bạn sẽ thất bại trong các kỳ thi của mình nếu bạn không làm việc chăm chỉ hơn. Trừ khi… 4. Chúng tôi đã bỏ lỡ chuyến tàu vì chúng tôi sử dụng một lịch trình lỗi thời. Nếu..5. Anh ấy trông không hấp dẫn vì anh ấy không bao giờ cạo râu. Nếu..6. Căn nhà khá lạnh vì tôi không có hệ thống sưởi trung tâm. Nếu… 7. Nếu tôi có nhiều tiền, tôi sẽ mua một ngôi nhà lớn Were… 8. Người Anh nói rất nhanh. Có lẽ đó là lý do tại sao tôi không hiểu chúng. Nếu… 9. Nếu tôi đã vượt qua kỳ thi tuyển sinh, bố mẹ tôi đã có thể hạnh phúc hơn. Đã có… .10. Tôi đã không làm việc chăm chỉ ở trường vì vậy tôi không kiếm được một công việc tốt. Nếu… 11. Nếu không có sự giúp đỡ của cô ấy, tôi đã không thể hoàn thành dự án của mình đúng hạn.
mình dich cho bạn rùi đó.
complete the sentences with the correct form of the verbs in brackets
1 would you go to his party if he(invite)......invited...... you?
2 I(can/help)...could help............ you translate is text into French if we had a dictionar3 we (email).......would email.................her if we had her adderss
4 if i (know.).....knew....... the answer, I wouldn't need to ask
5 i'd probably buy a laptop if it (be).....were.............cheaper answer,
6 where would you live of you (have)........had............ the choice
7 if you(have)........had.................. 20 brothers and sisters,think how many birthday presents you(get).........would get........
8 if everyone (speak).....spoke............ the same langluage, do you yhing life(be)........would be....... better?
9 I'm sorry, I don't know.if (knom)....knew...theamswer,I (tell.....would tell..........you
1. If I were you, I would get that job
2. If I had free time now, I would sleep
3. If she were a man, she might fell better
4. If today were my birthday, I could get a lot of presents.
5. If the globals temperature didn't rise, many severe disasters might not be occured
1. If I (be)...were........ you, I (get)............would get......... that job.
2. If I (have) ........had....... free time now, I (sleep) ..............would sleep..........
3 If she (be)......were......... a man, she (fell)...........feel..... better.
4. If today (be ) .....were ............... my birthday, I ( get )..would get............ a lot of presents.
5. If the global temperature (not rise).....did not rise.........., many severe disasters (not occur)........would occur.........
6. If the environment (be not)........were not............. polluted, people's health (be) ...........would be..... better.
7. If you..........helped.............. (to help) your grandma, I....would do........(to do) the shopping.
8. Andrew.........would water...... (to water) the flowers if he..stayed.........(to stay) at home.
9. If she ......had......... (to have) 5 pounds more, she ........would buy..... (to buy) herself this T- shirt.
10. If they .....offered..............(to offer) me the job, I .....would take...(to take) it.
11. You.........would have.....(to have) summer holidays from June till August if you....lived............ ( to live) in the USA.
12. We.....would sell.............( to sell) the bike for 20 Euros if Ron.....repaired...............(to repair) it.
13. If you .........used............... ( to use) a pencil, the drawing....would be.............(to be) perfect.
14. The children..........would be............(to be) happy if he.......taught........(to teach) them English.
15. If Ireen...........visited.............(to visit) us, we ..........would go.............(to go) out tonight.
16. They ...............would come........(to come) again if he......planed............(to plan) a second stay.
1) If you had checked (to check) the car, it (not/to break) would not have broken down in the middle of the desert.
2) If it had not rained(not/to rain), the children (to play) would have played outside.
3) If my parents had not been (not/to be) so tired, they would have watched(to watch) the film on TV.
4) If she had bought (to buy) a new hard disk, she would not have lost (not/to lose) all data.
5) If we had used(to use) the town map, we would not have got (not/to get) lost.
6) If Tom had eaten(to eat) more salad, he (not/to catch) would not have caught a cold.
7) If the police had not stopped(not/to stop) me, I would have reached (to reach) you in time.
8) If his older brother had not driven(not/to drive) so fast, he would not have crashed(not/to crash) into the other car.
9) If Fred had not cheated (not/to cheat) at the test, his teacher would not have(not/to phone) his father.
10) If I had not switched off(not/to switch off) the radio, I would have known (to know) about the second goal.
2) If it had not rained, the children would have played outside.
3) If my parents had not been so tired, they would have watched the film on TV.
4) If she had bought a new hard disk, she would not have lost all data.
5) If we had used the town map, we would not have got lost.
6) If Tom had eaten more salad, he would not have caught a cold.
7) If the police had not stopped me, I would have reached you in time.
8) If his older brother had not driven so fast, he would not have crashed into the other car.
9) If Fred had not cheated at the test, his teacher would not have phoned his father.
10) If I had not switched off the radio, I would have known about the second goal.
1 A
2 C
3 A
4 C
5 B
6 B
7 A
8 B
9 A