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1. he didn’t miss the plane because he hurriedWomen can delay having children due to effective birth control methods.
A. If there are not effective birth control methods
B. , women can not delay having children
C. Unless women could delay having children there were not effective birth control methods
D. If there were not effective birth control methods, women could not delay having children
E. If there had not had effective birth control methods, women could not have delayed having children
2. He can not find a good job because he doesn’t know how to use a computer
A. If he knows how to use a computer, he can find a good job
B. If he knew how to use a computer, he could find a good job
C. If he had known how to use a computer, he could have found a good job
D. If he had known how to use a computer, he could find a good job
3. The coffee was too hot for us to drink
A. Although the coffee was so hot we could drink it
B. If the coffee were not too hot, we could drink it
C. If the coffee had not been too hot, we could have drunk it
D. Because the coffee was too hot, we drank it
4. He had spent his money carelessly and became broke
A. If he doesn’t spend his money carelessly, he will not become broke
B. If he didn’t spend his money carelessly, he would not become broke
C. If he hadn’t spent his money carelessly, he would not have become broke
If he didn’t spend his money carelessly, he would not have become broke
1 if i ............ the bus this afternoon , i will get a taxi instead
a miss b will miss c missed d had missed
2 we will have to go without john if he .............. soon
a will not arrive b will arrive c arrives d does not arrive
3 if i make some coffee , ................ the cake ?
a do you cut b will you cut c are you cutting d do not you cut
4 if you ............... your homework , i ...................... you watch tv
a will not do / let b will press/comes c press / can come d have pressed / will comes
5 ............... you , i would think twice about that decision . it could be a bad move
a if i am b should i be c were i d if i had been
6 would you like some cake ? - no thanks . if i ................ cake , i ...........fat .
a ate/will get b ate / would get c would eat / could get d am eating/will get
8 pam broke her arm in the accident . it ................. much worse if she had not been wearing her seat belt
a will be b would have been c was d were
9 my boss made me work overtime again . - if i ............ you , i ................ my job
a were / would have quit b am/ will quit c was/must quit d were / would quit
10 john went to the hospital alone - did he ? if he ............. me,i ... with him
a told/ would go b told / might have gone c had told / could go d had told/would have gone
Choose the word or phrase [a, b, c or d] that best fits the blank space in eac sentence.
1. If people ___________public transport, there will be less pollution
b. will use c. can use d. used
2. If it is raining this evening, I _______
a. will go out b. don't go out c. won't go out d. wouldn't go out
3. Minh's English is excellent. He speaks___________
b. English perfectly d .English perfect a. perfectly English c. in perfect English
4. He___________to find a job but he had no luck.
a. hardly tried b. tried hardly c. hard tried d. didn't you
5. You used tc live in Los Angeles,__________?
a. don't you b. usen't you c. did you a. became. d. didn't you
6. If the sea water continue to be polluted, many fish species_________extinct.
a. became. d. become b. will become c. would become
7.We postponed the pienic____
a. because it rained heavy b. because of the heavily rain c. because it was heavy raining d. because it was raining heavily
8. Plants __________if they don't get sun and water
b. would die c. won't die a.die d. are going to die
9. If you_________a chance to study in a foreign country, just take it
c. getting d. had got a. will get b.get
10. Would you please___________?
a. to tell me how much it costs c. telling me how much does it cost d. tell me how much it costs b. tell me how much does it cost
10. Would you please___________?
a. to tell me how much it costs c. telling me how much does it cost d. tell me how much it costs b. tell me how much does it cost
1. Would you like if I . . . . closed. . . . . (close) the windows?
2 . What would happen if I. . . . .didn't do . . . (not do) that?
3. He couldn 't understand if we. . . didn't explain . . . . (not explain) more .
4. If we didn 't visit her, she. . . . . .would be . . . . . (be) very sad.
5. We. . . . .wouldn't be. . (not be) tired if we didn 't try to do that.
6. If I refused, he. . . . would be. . . . . (be) very disappointed.
7.I . . . took. . . ... . . . (take) this job if I were out of work now .
8 . You would be very upset if you. . . . . . . . .lost. . . . . . . (lose) it.
9. He would feel better if he. . . .exercised. . . . . (exercise) more.
10 . I (tell). . . .. . . would tell . . . the answer if I knew it.
11. If we. . . .didn't come . . . . (not come) she would feel lonely.
12 . If we did not take this job, we. .. .wouldn't earn . . . (not earn) a lot of money.
13. If he knew that it was dangerous, he (not come). . . didn't come. . . .
14. If you (see). . . saw. . . . . . someone drowning, what would you do?
15. If you slept under a mosquito net, you (not be). .. .wouldn't be. . . bitten so often.
16. I could get a job easily if I (have). . .had. . . . a degree.
17. If we had more rain, our crops (grow). . . .would grow. . . . faster.
18. We could save his life if we. . . found. . . . (find) him earlier.
19. He could be a medical student if he. . . tried. . . . . (try) more.
20. Would you like if I. . . . . opened. . . . . (open) the door?
21. What would happen if I. .pressed . . . (press) that botton?
22 . He might get fat if he (stop). . stopped. . smoking.
23. If he knew that it was good for his health, he (do). .would do . . .
24. If I knew that you were ill, I (go). . .would go. . to see you.
25. You would be very surprised if he (return). returned. .
26. They would not come to the party if you (not invite). . .didn't invite . . . . them.
27. What would you do if you (be). . . .were . . . . . him?
28. If I spoke English, my job (be)....would be... .. a lot easier.
29. If he (have). . . had. . . . enough money, he would buy a house.
30. If I (be). . .were. . . you, I would tell the truth. thirty first .
31.If I knew his address, I (go). . . . would go . . round and see him.
32. It 's too bad Helen isn' t here. If she (be). .were . . here, she could know what to do.
1. Would you like if I . . . . closed. . . . . (close) the windows?
2 . What would happen if I. . . . .didn't do . . . (not do) that?
3. He couldn 't understand if we. . . didn't explain . . . . (not explain) more .
4. If we didn 't visit her, she. . . . . .would be . . . . . (be) very sad.
5. We. . . . .wouldn't be. . (not be) tired if we didn 't try to do that.
6. If I refused, he. . . . would be. . . . . (be) very disappointed.
7.I . . . took. . . ... . . . (take) this job if I were out of work now .
8 . You would be very upset if you. . . . . . . . .lost. . . . . . . (lose) it.
9. He would feel better if he. . . .exercised. . . . . (exercise) more.
10 . I (tell). . . .. . . would tell . . . the answer if I knew it.
11. If we. . . .didn't come . . . . (not come) she would feel lonely.
12 . If we did not take this job, we. .. .wouldn't earn . . . (not earn) a lot of money.
13. If he knew that it was dangerous, he (not come). . . didn't come. . . .
14. If you (see). . . saw. . . . . . someone drowning, what would you do?
15. If you slept under a mosquito net, you (not be). .. .wouldn't be. . . bitten so often.
16. I could get a job easily if I (have). . .had. . . . a degree.
17. If we had more rain, our crops (grow). . . .would grow. . . . faster.
18. We could save his life if we. . . found. . . . (find) him earlier.
19. He could be a medical student if he. . . tried. . . . . (try) more.
20. Would you like if I. . . . . opened. . . . . (open) the door?
21. What would happen if I. .pressed . . . (press) that botton?
22 . He might get fat if he (stop). . stopped. . smoking.
23. If he knew that it was good for his health, he (do). .would do . . .
24. If I knew that you were ill, I (go). . .would go. . to see you.
25. You would be very surprised if he (return). returned. .
26. They would not come to the party if you (not invite). . .didn't invite . . . . them.
27. What would you do if you (be). . . .were . . . . . him?
28. If I spoke English, my job (be)....would be... .. a lot easier.
29. If he (have). . . had. . . . enough money, he would buy a house.
30. If I (be). . .were. . . you, I would tell the truth. thirty first .
31.If I knew his address, I (go). . . . would go . . round and see him.
32. It 's too bad Helen isn' t here. If she (be). .were . . here, she could know what to do.
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 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.
I: Complete the sentenes with the correct form of the verb.
1. If we win the money, we (buy)......will buy......... a new house.
2. We (go).....will go............ on holiday if there is time.
3. I will have no money left if I ..........buy.........(buy) that expensive car.
4. Alex .............will be...........(be) late if he doesn't hurry up!
5. If you don't understand, I ........will help.........(help) you with the exercise
6.Greg.............will catch....................(catch) the train if he leaves soon
7. If Peter (be).........is......... late, we (wait).........will wait...................for him.
8. The bell...........will ring...............(ring) if there........is.........(be) a fire.
9. The bike...........will break.............(break) if all three of you.........get...........(get) on it!
10. If you (not)........don't...........learn how to use a computer, it........will be.......(be) hard to find a job.
1. If we win the money, we will buy a new house.
2. We will go on holiday if there is time.
3. I will have no money left if I buy that expensive car.
4. Alex will be late if he doesn't hurry up!
5. If you don't understand, I will help you with the exercise
6.Greg will catch the train if he leaves soon
7. If Peter is late, we will wait for him.
8. The bell will ring if there is a fire.
9. The bike will break if all three of you get on it!
10. If you don't learn how to use a computer, it will be hard to find a job.
8 A -> knew
9 A -> forget
10 B -> could