Chọn lỗi sai và sửa lại

1. If I (knew )you (were )coming I (would have => would )meet you (at) the airport

2. I (could make )rabbits (disappear) into (thin) air if I (am=>were) a magician

3. (What) (would you have done=> would you done )if you( were )in my position

4. My children( won't go )to bed (unless=> if )they don't (have) (some) money

5. If we( will reduce=>reduce )the speed of( population growth) there will be (less) pressure( on) the earth

6.(had I )knowns (Alice's )address( I would write=> I would have written)( to her)

7.if you( had finished) (the work) you can( go)=> could go( home)

8.(unless )=> ifit (doesn't) rain. Peter will (pay) us( a visit )tomorrow

9.if( had I known=> I had known) you (were) (in) financial difficulty I( would have helped )you

10. If Lucia (had been=> were )here now she( would find out )the truth( about) her (uncle's) accident

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. I enjoyed the movie very much. I wish I ______ the book from which it was made.

A. have read B. had read C. should have read D. am reading

2. You are late. If you _______ a few minutes earlier, you_______him.

A. came / Would meet B. had come / Would have met
C. come / Will meet D. had come / would meet

3. I can’t stand him. He always talks as though he_______everything.

A. knew B. knows C. has know D. had known

4. His doctor suggested that he ______short trip abroad.

A. will take B. would take C. take D. took

5. We might have failed if you _______us a helping hand.

A. have not given B. would not give C. had not given D. did not give

6. The law requires that everyrone ______his car checked at least once a month.

A. has B. have C. had D. will have

7. He was busy yesterday, otherwise he_______to the meeting.

A. would come B. would have been
C. could have been D. would be

8. If there were no subjunctive mood, English _______ much easier.

A. will be B. would have been
C. could have been D. would be

9. ________ the fog, we should have reached our schoo1.

A. Because of B. In spite of C. In case of D. But for

10. –“What will you do during winter vacation?”

–“I don’t know, but it’s about time______something.”

A. I decided B. I’ll decide C. I’d decided D. I’m deciding

11. He was very busy yesterday, otherwise, he ________to your birthday party.

A. would come B. came
C. would have come D. should come

12. The two strangers talked as if they_______friends for years.

A. should be B. had been C. have been D. were

13. Look! What you’ve done!You_______have been more careful.

A. should B. may C. ought D. would

14. Without electricity, what _______?

A. will the world be like B. would the world be like
C. the world will be like D. the World Would be like

15. With your ability, you _______out the puzzle within a few minutes.

A. could have worked B. need have worked
B. C. ought have worked D. must have worked

1, If had follow your advice, I........happier now

a, am b, should be c, will have been d, have been

2, If I.......more time, I should take up golf as a hobby

a, have b, had c, has

3, If he..............here now , we would ask his opinion

a, is b, were c, has been d, had been

4, If I ..........the chance , I would have trained to be a dortor

a, would had b, would have c, have had d, had had

5, If I were you ...........phone and tell her you're going to be late

a, I'd b, I'lll c, I'd have d, I

6, If I ..........convenient , lets it go out for a drink tonight

a, be b, is c, was d, were

7, If you ......time, please write to me

a, have b, had c, have had d, has

8, If it .........tomorrow, we may postpone going on a picnic

a, will rain b, rains c, shall rain d, raining

9, If you hadn't watched that late mivie last night , you ..........sleepy now

a, wouldn't have been b, wouldn't be c, might have not been d, wouldn't have been being

10, If you...........as I told you, you ............sorry now

a, did/would b, had done/had not been c, do /would not be d, had done/would not be

11, If only I .............him now

a, see b, saw c, have seen d, seen

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

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

gợi ý nè ;

BUT FOR + Noun (danh từ )
VD:

1. If it hadn't rained, we would have a better crop.

-> But for rain , we would have a better crop.

UNLLESS = IF NOT (trừ khi)

VD:

2. I only come if they invite me.

-> Unless they invite me , I won't come

làm mik bài 2 được ko bài 1 mik làm được rồi xin bạn á

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.