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1. ____ Mary study hard, she will pass the exam.
A. If
B. Should
C. Were
D. Had
2. _____they stronger, they could lift the table.
A. If
B. Should
C. Were
D. Had
3_____Mary studied hard, she would have passed the exam.
A. If
B. Should
C. Were
D. Had
4. ______ Jackson successfully completes the company’s project, he will have a chance to be promoted.
A. Should
B. Were
C. Had
D. If
5. ______ she not lied about the accident, she would not have been suspected of the culprit in the case.
A. Should
B. Were
C. Had
D. If
6. ______ I a naughty student, I would not propose strengthening school discipline.
A. Should
B. Were
C. Had
D. If
7. ______ he truly to desire this position, he would never give up on any chance.
A. Had
B. Should
C. If
D. Were
8. ______ I have an idea for a topic this time, I won’t ask you.
A. Should
B. Had
C. Were
D. If not
9. ______ she to handle everything well, then she wouldn’t come to us for help.
A. Were
B. Had
C. Were not
D. if
10. ______ he listened to his instructor, he wouldn’t have lost his way in the forest.
A. Were
B. should
C. Unless
D. Had
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
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.
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.
Bài 3: Chọn đáp án đúng.
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1. I would have visited you before if there _____ quite a lot of people in your house.
A. hadn't B. hadn't been C. wouldn't be D. wasn't
2. If you had caught the bus, you _____ late for work.
A. wouldn't have been B. would have been
C. wouldn’t be D. would be
3. If I _____, I would express my feelings.
A. were asked B. would ask
C. had been asked D. asked
4. If _____ as I told her, she would have succeeded.
A. she has done B. she had done
C. she does D. she did
5. Will you be angry if I _____ your pocket dictionary?
A. stole B. have stolen C. were to steal D. steal
6. You made a mistake by telling her a lie. It _____ better if you _____ to her.
A. would have been / hadn't lied B. would be / didn't lie
C. will be / don't lie D. would be / hadn't lied
7. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
8. She wouldn't have given them all that money if we _____ her to.
A. wouldn’t advise B. won't advise
C. hadn't advised D. didn't advise
9. If the tree hadn't been so high, he _____ it up to take his kite down.
A. could have climbed B. climb
C. is climbing D. climbed
10. If the wall weren't so high, he _____ it up to take his ball down.
A. climbed B. could climb C. is climbing D. climb
11. If I _____ her phone number, I _____ her last night
A. had known / could have phoned B. knew / would have phoned
C. know / can phone D. knew / could phone
12. If he ______ the truth, the police wouldn’t arrest him.
A. tells B. told C. had told D. would tell
13. If you press that button what _____?
A. would happen B. would have happened
C. will happen D. happen
14. She says if she _____ that the traffic lights were red she _____.
A. had realized / would stop B. realized / could have stopped
C. has realized / stopped D. had realized / would have stopped
15. I am very thin. I think, if I _____ smoking, I might get fat.
A. stop B. had stopped C. will stop D. stopped
16. If I _____ that yesterday, I _____ them.
A. had discovered / would inform
B. had discovered / would have informed
C. had discovered / could inform
D. discovered / can inform
17. If you _______ to the course regularly, they ________ a certificate last year.
A. go / gave B. go / give
C. had gone / would have given D. went / would give
18. I think he is not at home. If he _____ in, he ______ the phone.
A. was / answered B. were / would answer
C. were / would have answered D.had been / would have answered
19. If I ______ in London now, I could visit British Museum.
A. were B. had been C. have been D. would be
20. If Columbus _______ money from Queen Isabella, he _______ across the Atlantic.
A. do not receive / could not sail
B. had not received / might not have sailed
C. did not receive / might not have sailed
D. would not receive / might not sail
1. comes
2. find
3. lived
4. arrived
5. will phone
6. would give
7. would
8. can go
9. will have
10. stop
11. were
12. had spoken
13. had listened – would have performed
14. comes – will have
Gạch chân dưới đáp án đúng:
1. If she (come / comes / came / had come) late again, she'll lose her job.
2. I'll let you know if I (find / finds / found / had found) out what's happening.
3. If we (live / lived / would live / had lived) in a town, life would be better.
4. I'm sure he wouldn't mind if we (arrive / arriving / arrived / had arrived) early.
5. We (will phone / would phone / phoned / had phoned) you if we have time.
6. If I won the lottery, I (gave / had given / will give / would give) you half the money.
7. It (will / would / can / may) be a pity if she married Fred.
8. If I'm free on Saturday, I (to go / could go / went / can go) to the mountains.
9. She (will has / had / will have / have) a nervous breakdown if she goes on like this.
10. I know I'll feel better if I (will stop / stopped / stop / had stopped) smoking.
11. If I (am / were / will be / had been) you, I would help him.
12. I could have understood him if he (speaks / spoke / had spoken / would speak) more slowly.
13. 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.
14. He's waiting for his mother to come back from Chicago. If his mother (come / comes / will come / came) home, he?? đề thiếu
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
1 If you (find) a skeleton in the cellar, don't mention it to anyone.
FIND
2 If you pass your examination, we (have) a celebration.
WILL HAVE
3 What (happen) if I press this button?
WILL HAPPEN
4 I should have voted for her if I (have) a vote then.
HAD HAD
5 If you go to Paris, where you (stay)?
WILL YOU STAY
6 If someone offered to buy you one of those rings, which you (choose)?
WOULD YOU CHOOSE
7 The flight may be cancelled if the fog (get) thick.
HAD GOT
8 If the milkman (come), tell him to leave two pints.
COMES
9 Someone (sit) on your glasses if you leave them there.
WILL SIT
10 You would play better bridge if you (not talk) so much.
DIDN'T TALK
11 What I (do) if I hear the burglar alarm?
WILL I DO
12 If you (read) the instructions carefully, you wouldn't have answered the wrong question.
HAD READ
13 I could repair the roof myself if I (have) a long ladder.
HAD
14 Unless they turn that radio off, I (go) mad.
WILL GO
15 If you were made redundant, what you (do)?
WOULD YOU DO
16 We'll have a long way to walk if we (run) out of petrol here.
RUN
17 If you shake that bottle of port, it (not be) fit to drink.
WON'T BE
18 I'll probably get lost unless he (come) with me.
COMES
19 You (not have) so many accidents if you drove more slowly.
WOULDN'T HAVE
20 If you (wear) a false beard, nobody would have recognized you.
HAD WORN
21 If she (leave) the fish there, the car will get it.
LEAVES
22 Unless they leave a lamp beside that hole in the road, somebody (fall) into it.
WILL FALL
23 You'll get pneumonia if you (not change) your wet clothes.
DON'T CHANGE
24 If I had known that you couldn't eat octopus, I (not buy) it.
WOULDN'T HAVE BOUGHT
25 If they (hang) that picture lower, people would be able to see it.
HUNG
26 She (be able) to walk faster if her shoes hadn't such high heels.
WOULD BE ABLE
27 I (bring) you some beer if I had known that you were thirsty.
WOULD HAVE BROUGHT
28 If you had touched that electric cable, you (be) elecrocuted.
WOULD HAVE BEEN
29 If the story hadn't been true, the newspaper (not print) it.
WOULDN'T HAVE PRINTED
30 I (not buy) things on the instalment system if I were you.
WOULDN'T BUY
31 Dial 999 if you (want) Police, Ambulance or Fire Brigade.
WANT
32 You (not be) any use to me unless you learn to type.
WON'T BE
33 If anyone attacked me, my dog (jump) at his throat.
WOULD JUMP
34 If he were in, he (answer) the phone.
WOULD ANSWER
35 The ship would have run around if the pilot (make) one mistake.
HAD MADE
36 I shouldn't have taken your umbrella if I (know) that it was the only one you had.
HAD KNOWN
1. ______ Jenny accept the challenge this time, then she will have a chance to become a full-time Google employee.
A. Were
B. Had
C. Should
D. If
2. ______ you be truly competent, you won’t need to worry about your future work.
A. If
B. Should
C. Were
D. Had
3. ______ my friend not been able to speak in public, I wouldn't have been a teacher for 10 years.
A. If
B. Should
C. Were
D. Had
4. ____ Manh studies hard, he will pass the exam
A. Had
B. Were
C. If
D. Should
5. _____he not weak, they could enjoy the life.
A. Should
B. Were
C. Had
D. If
6_____Mai studied harder, she wouldn't have failed the exam
A. Should
B. Were
C. Had
D. If
7._____it to rain, we wouldn't walk to the town.
A. Had
B. Should
C. If
D. Were
8. _____ it snows, we will have to reschedule tomorrow.
A. Should
B. Had
C. If
D. Were
9. _______ you treated people around you well, you would have felt happy in your heart.
A. Were
B. Had
C. Were not
D. if
10. _______ she have a headache, she will see a doctor for treatment.
A. Were
B. Should
C. If
D. Had