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. 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.

1 If you....find.......(find) a skeleton in the cellar, don't mention it to anyone.

2 If you pass your examination, we....will have........(have) a celebration.

1.If you (go)go away, please write to me

2.If you (be)had been in. I would have given it to you

3.If he (eat)eats another cake, he will be sick

4.I (not do)wouldn't do that if I (be)were you

5.If he (take)takes my advice, everything can go well

6.I would have come sooner if I (know)had known you were here

7.He never does homework. If he (do)did his homework, he (not worry)wouldn't worry about this exam

8.It's too bad we lost the game. If you (play)had play for us, we (win) would have won

9.What will you (do)do if she refuses your invitation

10.If today (be)were Sunday, we(go)would go to the beach

11.I wish I (see)had seen her off at the airport yesterday

12.Tom wishes he (have)had enough money to buy a new car now

13. Mary wishes she (become)would become an astronaut someday

14.He wishes he ( not buy)didn't buy that old car

15.If we (pollute)pollute the water, we will have no water to use

16.If we cut down trees in the forest, there (be)will be big flood every year

17.If he (not pass)doesn't pass the driving test, we (be)will be disappointed

18.I (not write)won't write to you if you (not send)don't send me your address

19.The sea (get)gets warmer if the earth (get)gets warmer

20.If we (not protect)don't protect the animals, they (kill)will be killed

21.Our lives(destroy)would destroy if the earth didn't go round

22.We will go for a picnic if the weather(be)is fine tomorrow

23.If I were you I (travel)would travel around the world

24.If there were flying saucers, there (be)would be traces of their landing

25.I would take photos of UFOs if I (see) saw them

26.What (you say)would you say if I offered you a job

27.The children always (get)get frightened if they watch horror films

28.If it (not be) wasn't for you, I would be late

29.I can't help feeling sorry for the hungry children. If only there (be)was peace in the world

30. Were I to become president, my first act (be)would be to help the poor

31.If he (listen)listened to his father's advice, he would still be working here

32.If she hadn't stayed up late lastnight, she (not be)wouldn't have been tired now

Put the verb in brackets in the correct form

1.If you (go) go away, please write to me

2.If you (be) was in. I would have given it to you

3.If he (eat) eats another cake, he will be sick

4.I (not do) wouldn't do that if I (be) were you

5.If he (take) takes my advice, everything can go well

6.I would have come sooner if I (know) knew you were here

7.He never does homework. If he (do) does his homework, he (not worry) won't worry about this exam.

8.It's too bad we lost the game. If you (play) play for us, we (win) will win.

9.What will you (do) do if she refuses your invitation

10.If today (be) is Sunday, we(go) will go to the beach

11.I wish I (see) had seen her off at the airport yesterday

12.Tom wishes he (have) had enough money to buy a new car now

13. Mary wishes she (become) would become an astronaut someday

14.He wishes he ( not buy) won't buy that old car

15.If we (pollute) pollute the water, we will have no water to use

16.If we cut down trees in the forest, there (be) will be big flood every year

17.If he (not pass) doesn't pass the driving test, we (be) will be disappointed

18.I (not write) won't write to you if you (not send) don't send me your address

19.The sea (get) will get warmer if the earth (get) gets warmer

20.If we (not protect) don't protect the animals, they (kill) will kill.

21.Our lives(destroy) would destroy if the earth didn't go round

22.We will go for a picnic if the weather(be) is fine tomorrow

23.If I were you I (travel) would travel around the world

24.If there were flying saucers, there (be) would be traces of their landing

25.I would take photos of UFOs if I (see) saw them

26.What (you say) would you say if I offered you a job

27.The children always (get) get frightened if they watch horror films

28.If it (not be) wasn't for you, I would be late

29.I can't help feeling sorry for the hungry children. If only there (be) is peace in the world

30. Were I to become president, my first act (be) would to help the poor

31.If he (listen) listened to his father's advice, he would still be working here

32.If she hadn't stayed up late lastnight, she (not be) wouldn't have been tired now

Use UNLESS instead of IF.

1. If you are not careful, you will cut yourself with that knife.

UNLESS you are careful, you will cut yourself with that knife.

2. If you do not like this one, I'll bring you another.

UNLESS you like this one, I'll bring you another.

3. I'll not be able to do any work if I do not have a quiet room.

UNLESS I have a quiet room, I'll not be able to do any work

4. If she does not hurry, she'll be late.

UNLESS she hurries, she'll be late.

5. If we had more rain, out crops would be better.

UNLESS we had more rain, out crops wouldn't be better.

6. The crops would be have been ruined in the flood had risen higher.

UNLESS the flood had risen higher, The crops wouldn't be have been ruined

7. If you had not sneezed, he wouldn't have known that we were there.

UNLESS you had sneezed, he wouldn't have known that we were there.

8. If she did her hair differently, she would look quite nice.

UNLESS she did her hair differently, she would look quite nice.

9. If John had played for our football team, we would not have lost the game.

UNLESS John had played for our football team, we would have lost the game.

10. If I won a big prize in a lottery, I'd give up my job.

UNLESS I won a big prize in a lottery, I'd not give up my job.

1. had been
2. wouldn't have got
3. would have grown
4. had joined
5. had gone - would have met
6. had tried
7. had written
8. wouldn't have finished
9. hadn't meet - wouldn't have had
10. had had

1. If you (be)had been at home, you would have felt angry 

2. If it had rained harder, i (not get)wouldn't have got back on time 

3. Trees (grow) would have grown faste if the weather had been better

4. we would have had a lot of fun if you (join)had joined in that trip

5. If he (go)had gone to London yesterday, he (meet) would have met his old friend

6. Unless you (try) hadn't tried hard, you couldn't have passed the exmination

7. He must have got good mark if he (write)had written his report more carefully

8. Unless they had made many carefully prepartions, they (not finish)wouldn't have finished the work ferfecthy

9. If you (not meet)hadn't met him last week, you (not have) wouldn't have had enogh money to buy this motorbike

10. He might have borrowed the book if he (have)had had a library card 

Tham khảo

1. had been
2. wouldn't have got
3. would have grown
4. had joined
5. had gone - would have met
6. had tried
7. had written
8. wouldn't have finished
9. hadn't meet - wouldn't have had
10. had had

1 we did not visit the museum because we had no time

a if we have time , we will visit the museum

b if we had time , we would visit the museum

c if we had had time , we would have visited the museum

d if we had had time , we will visit the museum

2 he looked frightened as if he ................

a ghost a sees b is seeing c has seen d had seen

3 ........... resigned , we would have been forced to sack him

a had he not b had not he c he had not d he not had

4 if you ................ me about the bad service , we’d have eaten there

a did not tell b would not have told c had not told d had told

5 the teacher was absent today, so class was canceled . if she ........... absent again tomorrow , class ........ tomorrow,too

a is/will cancel b is / will be canceled c was / would be canceled d was/ would cancel

6 if you .................. to my advice in the first place , you............... in this mess right now

a listen/will be b had listened / would not have been c will listened / would not be d had listened/ would not be

7 if i had been absent from class yesterday , i ............. the math test

a would missed b would have missed c will miss d miss

8 if you ............... here earlier , you ............. her

a had come / would have met b come / meet c came / would meet d comes will meet

9 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

10 if i were , i would work harder

a you would rather not work so hard

b you should work harder

c you should work with me

d do not work so hard

Make the letter A,B,C,D on your answer sheet to indicate the sentence that is the closet in meaning to each of the following questions

1. The only that kept us out of prison was the way he spoke the local dialect

A. The way he spoke the local dialect was unique

B. We were sent to prison beacause he spoke only one dialect

C. We sent him to prison because he spoke the local dialect

D. But for his command of the local dialect, we would have been put in prison

2. I did not understand what the lecturer was saying because I had not read his book

A. What the lecturer wrote and said was too difficult for me to understand

B. The lecturer's book which I not had read was dificult for me to understand

C. I found it very difficult to understand what the lecturer was saying if I had read his book

D. I would have understood what the lecturer was saying if I had read this book

3. Without skillful surgery, he would not have survived the operation

A. Had it been for skillful surgery, he would not have survived the operation

B. He would not have survived the orpeation if he had had skillful surgery

C. But for skillful surgery, he would not have survived the opreration

D. He did not survive the operation beacause of unskillful surgery

4. He didn't take his father's advice. That's why he is out of work

A. If he takes his father's advice, he will not be out of work

B. If he had taken his father's advice, he would not be out of work

C. If he had taken his father's advice, he would not have been out of work

D. If he took his father's advice, he would not be out of work

5. It would be nice if you hadn't said that

A. I wish you not to say that

B. I hope you will not say that

C. If only you didn't say that

D. I wish you hadn't said that

6. It was his incompetence which led to their capture

A. If it hadn't been for his incompetence, they would not have been captured

B. They were captured just because he was incompetent

C. If he had been so incomepetent, they would have escaped from captured

D. All of the above

7. If it hadn't been for his carelessness, we would have finished the work

A. If he had been more carefull, we would have completed the work

B. He was careless because he hadn't finished the work

C. If he were careful, he would finish the work

D. Because he wasn't careless, we didn't finish the work

8. It was your assistance that enabled us to get achievement

A. If you need assisted us, we could not get achievement

B. But for your assistance, we could not have got achievement

C. Your assistance discouraged us from get achievement

D. Without your assistance, we could get achievement

1. You(have lied/have lain ) in bed since the morning. Get up and find something else to do

2. They (were/have lain )close friends for 3 months but now they hate each other

3. (Have you ever tried/ Did you try ) ice-skating when you were a kid?

4. How long ( Have you taught/ did you teach) in this primary school?

5. The last time we met ( has been/ was ) ten days ago

6. You (have eaten/haven't eaten) anything since yesterday. You must be very hungry now

7. We (have been/ have never been ) to this place before. This is the first time

1. You(have lied/have lain ) in bed since the morning . Get up and find something else to do

2. They (were / have lain )close friends for 3 months but now they hate each other

3. (Have you ever tried/ Did you try ) ice-skating when you were a kid ?

4. How long ( Have you taught / did you teach) in this primary school ?

5. The last time we met ( has been / was ) ten days ago

6. You (have eaten / haven't eaten) anything since yesterday . You must be very hungry now

7. We (have been/ have never been ) to this place before. This is the first time

1. You(have lied/have lain ) in bed since the morning . Get up and find something else to do

2. They (were / have lain )close friends for 3 months but now they hate each other

3. (Have you ever tried/ Did you try ) ice-skating when you were a kid ?

4. How long ( Have you taught / did you teach) in this primary school ?

5. The last time we met ( has been / was ) ten days ago

6. You (have eaten / haven't eaten) anything since yesterday . You must be very hungry now

7. We (have been/ have never been ) to this place before. This is the first time

Chọn câu tả lời đúng nha !!! help me cảm ơn nhìu