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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
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
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.
Put the verbs in brackets into their correct forms!
1. I would have read the letter if I____had known_______ (know) it was from you.
2. If Tony doesn't help in the garden I_____won't finish_____ (not finish) my work in time.
3 .If you______didn't tell____ (not tell) me about Maxwell's birthday I would forget it.
4. We_____would have caught________ (catch) the train earlier if Mary had found her purse.
5. If Susan_____had learned_______ (learn) the poem she would have known the answer.
6. If it_____is_______ (be) too hot we will stop and get a cold drink.
7. If it_____didn't rain______ (not rain) today I would stay it home.
8. If the Professor spoke clearly we_______would understand___ (understand) him better.
9. If you go on talking like that we______will throw____ (throw) you out.
10. If Sasha_______went___ (go) home now he would meet his own brother.
11. If it rained, the streets_____would be_____ (be) wet.
12. If I___hadn't told_______ (not tell) Jim the address he wouldn't have found you.
13. The bird_____would have died_______ (die) if you had caught it.
14. What______would you do_____ (you, do) if you won the lottery?
15. If the weather___doesn't change______ (not change) we will reach the top of the mountain.
16. Dinner_____would be_____ (be) fine if the meat weren't cold.
17. I'm sure Benny____will come________ (come) if you wait a bit longer.
18. If you ring the bell, somebody______will answer_____ (answer) it.
19. If Bert____had seen______ (see) you, he would have talked to you.
20. You_____would have found______ (find) your ticket if you had looked into your pockets.
21. You______will fall_____ (fall) ill if you eat so much.
22. What______would have happened_____ (happen) if the door had not been opened?
23. If Chris asked you for a cigarette,_____would you give_____ (you, give) him one?
24. If you______bought____ (buy) that big car, you would need a lot of money.
25.______would you change_____ (You, change) the colour of your hair if I asked you to do so?
26. If you give me the letter, I________will post____- (post) it for you.
27. _____would you have posted_______(You, post) the letter if I had given it to you?
28. If the weather is fine, I_______will go_____ (go) swimming.
29. If you______don't work______ (not work) harder, you won't pass the exam.
30. If they_____were______ (be) rich, they would travel around the world.
31. The children_____would go_____ (go) skating if the lake were frozen.
32. What would you have done, if you____had lost_______ (lose) your handbag?
33. What will happen if you_______don't know_____ (not know) the answer?
34. She_____would have gone_____(go) on holiday, if she hadn't been ill.
35. If I_______had noticed________ (notice) you, I would have said hello.
36. If I_____were_____ (be) like you, I wouldn't watch such films.
37. If you opened your eyes, you________would see___ (see) a wonderful world.
38. People_____will live______ (live) in peace if they stop fighting.
39. If Tom drinks so much, he_____can't drive____ (cannot drive) home.
40. If we_____didn't hurry______ (not hurry) we would miss the train.
41. He_____wouldn't spend______ (not spend) so much money if he weren't a happy person.
42. ____would you have come______(You, come ), if you had had more time?
43. If Jim____had studied_____ (study) the new words he would have got a better mark.
44. If he were rich, he___could buy________ (buy) the house.
45. If you don't hurry you_____willbe______ (be) late.
46. If it wasn't so hot, we_____would play______ (play) football.
47. If I_____were_____ (be) ill, would you visit me?
48. If Sean____hadn't been________ (not be) driving so fast, the police would not have stopped him.
49.I f I had sold my house, I______would have got______ (get) 4 million pounds.
50. If I_____were_______ (be) you I would I would do it.
Put the verbs in brackets into their correct forms!
1. I would have read the letter if I______had known_____ (know) it was from you.
2. If Tony doesn't help in the garden I_____won't finish_____ (not finish) my work in time.
3 .If you_____didn't tell_____ (not tell) me about Maxwell's birthday I would forget it.
4. We______would have caught_______ (catch) the train earlier if Mary had found her purse.
5. If Susan______had learnt______ (learn) the poem she would have known the answer.
6. If it______is______ (be) too hot we will stop and get a cold drink.
7. If it______didn't rain_____ (not rain) today I wouldn't stay at home.
8. If the Professor spoke clearly we_____would_____ (understand) him better.
9. If you go on talking like that we_____will throw_____ (throw) you out.
10. If Sasha_____went_____ (go) home now he would meet his own brother.
11. If it rained, the streets_____would be_____ (be) wet.
12. If I_____hadn't told_____ (not tell) Jim the address he wouldn't have found you.
13. The bird______would have died______ (die) if you had caught it.
14. What_____would you do______ (you, do) if you won the lottery?
15. If the weather____doesn't change_____ (not change) we will reach the top of the mountain.
16. Dinner_____would be_____ (be) fine if the meat weren't cold.
17. I'm sure Benny______will come______ (come) if you wait a bit longer.
18. If you ring the bell, somebody______will answer_____ (answer) it.
19. If Bert_____had seen_____ (see) you, he would have talked to you.
20. You______would have found_____ (find) your ticket if you had looked into your pockets.
21. You______will fall_____ (fall) ill if you eat so much.
22. What_____would have happened______ (happen) if the door had not been opened?
23. If Chris asked you for a cigarette,_____would you_____ (you, give) him one?
24. If you_____bought_____ (buy) that big car, you would need a lot of money.
25.______Would you change_____ (You, change) the colour of your hair if I asked you to do so?
26. If you give me the letter, I______will post______- (post) it for you.
27. ______Would you have posted______(You, post) the letter if I had given it to you?
28. If the weather is fine, I______will go______ (go) swimming.
29. If you______don't work______ (not work) harder, you won't pass the exam.
30. If they______were_____ (be) rich, they would travel around the world.
31. The children_____would go_____ (go) skating if the lake were frozen.
32. What would you have done, if you_____had lost______ (lose) your handbag?
33. What will happen if you______don't know______ (not know) the answer?
34. She_____would have gone_____(go) on holiday, if she hadn't been ill.
35. If I_______had noticed________ (notice) you, I would have said hello.
36. If I_____were_____ (be) like you, I wouldn't watch such films.
37. If you opened your eyes, you_____would see______ (see) a wonderful world.
38. People_____will live______ (live) in peace if they stop fighting.
39. If Tom drinks so much, he____cannot drive____ (cannot drive) home.
40. If we_____didn't hurry______ (not hurry) we would miss the train.
41. He______wouldn't spend_____ (not spend) so much money if he weren't a happy person.
42. _____Would you have come_____(You, come ), if you had had more time?
43. If Jim_____had studied____ (study) the new words he would have got a better mark.
44. If he were rich, he_____would buy______ (buy) the house.
45. If you don't hurry you______will be_____ (be) late.
46. If it weren't so hot, we_____would play______ (play) football.
47. If I_____were_____ (be) ill, would you visit me?
48. If Sean______hadn't been______ (not be) driving so fast, the police would not have stopped him.
49.If I had sold my house, I______would have got______ (get) 4 million pounds.
50. If I______were______ (be) you I would do it.
1) It is late now; I don't think Ann will come to see us
-> I would be surprised if Ann came to see us.
2)We don't go on holiday because we don't have enough money
-> If we had enough money, we would go on holiday.
3) Do these exercises more carefully or you will fail the exams
-> Unless you do these exercises more carefully, you will fail the exams.
4) I do not know the answer so I can not tell you
-> If I knew the answer, I could tell you.
5) She can't apply for the job because she doesn't know French
-> If she knew French, she could apply for the job.
6) if she didn't come here now, we'd come back home
-> Unless she came here now, we'd come back home.
7) Be careful or you will not be able to get the job
-> Unless you are careful, you will be able to get the job.
8) The trees will die unless it rains soon
-> If it doesn't rains soon, the trees will die.
I.Put the verbs in brackets into the corect tenses
1 If you (find)find a skeleton in the cellar, don't mention it to anyone.
2 If you pass your examination, we (have)will have a celebration.
3 What (happen)will happen if I press this button?
4 I should have voted for her if I (have)had had a vote then.
5 If you go to Paris, where will you (stay)stay?
6 If someone offered to buy you one of those rings, which would you (choose)choose?
7 The flight may be cancelled if the fog (get)gets thick.
8 If the milkman comes(come), tell him to leave two pints.
9 Someone (sit)will sit on your glasses if you leave them there.
10 You would play better bridge if you (not talk)didn't talk so much.
11 What will I (do)do if I hear the burglar alarm?
12 If you (read)had read the instructions carefully, you wouldn't have answered the wrong question.
13 I could repair the roof myself if I (have)had a long ladder.
14 Unless they turn that radio off, I (go)will go mad.
15 If you were made redundant, what would you do(do)?
16 We'll have a long way to walk if we run(run) out of petrol here.
17 If you shake that bottle of port, it (not be)won't be fit to drink.
18 I'll probably get lost unless he comes(come) with me.
19 You (not have)wouldn't have so many accidents if you drove more slowly.
20 If you (wear)had worn a false beard, nobody would have recognized you.
21 If she (leave)leaves the fish there, the car will get it.
22 Unless they leave a lamp beside that hole in the road, somebody (fall)will fall into it.
23 You'll get pneumonia if you (not change)don't change your wet clothes.
24 If I had known that you couldn't eat octopus, I (not buy) wouldn't have bought it.
25 If they (hang)hung that picture lower, people would be able to see it.
26 She (be able)would be able to walk faster if her shoes hadn't such high heels.
27 I (bring)would have brought you some beer if I had known that you were thirsty.
28 If you had touched that electric cable, you (be)would have been elecrocuted.
29 If the story hadn't been true, the newspaper (not print)wouldn't have printed it.
30 I (not buy)wouldn't buy things on the instalment system if I were you.
31 Dial 999 if you (want)want Police, Ambulance or Fire Brigade.
32 You (not be)won't be any use to me unless you learn to type.
33 If anyone attacked me, my dog (jump)would jump at his throat.
34 If he were in, he (answer)would answer the phone.
35 The ship would have run around if the pilot (make)had made one mistake.
36 I shouldn't have taken your umbrella if I (know)had known that it was the only one you had.
1. find
2.will have
3.will happen
4.had had
5.will you stay
6.would you choose
7.gets
8.comes
9.will sit
10. didn't talk
11.will i do
12.had read
13.had
14.will go
15.would you do
16.run
17.won't be
18.comes
19.wouldn't have
20.had worn
21.leaves
22.will fall
23,don't change
24.wouldn't have bought
25.hung
26.would be able
27.would have brought
28.would have been
29.wouldn't have printed
30.wouldn't buy
31.buy
32.won't be
33.would jump
34.would answer
35.had made
36.had known
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
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