Viết lại các câu sau sao cho nghĩa không thay đổi:

1. The last time I went to Ho Chi Minh City was ten years ago.

-> It is/has been ten years since I last went to Ho Chi Minh city.

2. Although he was very tired, he tried to help me with my homework.

-> Tired as he was, he tried to help me with my homework.

3. The car is too expensive. I can’t afford it.

-> It was such an expensive car that I couldn’t afford it.

4. It's the first time I've been to New York.

-> I haven’t been to New York before.

5. “ You damaged my camera", said Hung to his sister.

-> Hung accused her sister of damaging his camera.

6. We didn't have any holidays until this summer.

-> It was not until this summer that we had some holidays.

7. If you hadn’t studied hard, you would have failed the exam.

-> Had you not studied hard, you would have failed the exam.

8. Lan is pretty but Mai is prettier.

-> Mai is the prettier of the two girls.

9. This is the best film I’ve ever seen.

-> I’ve never seen a better film than this film.

10. My school has over 800 students.

-> There are over 800 students in my school.

1. The last time I went to Ho Chi Minh City was ten years ago.

It has been ten years since I last went to Ho Chi Minh City.

2. Although he was very tired, he tried to help me with my homework.

Tired as he was, he tried to help me with my homework.

3. The car is too expensive. I can’t afford it.

It was such an expensive car that I couldn't afford it.

4. It's the first time I've been to New York.

I haven’t been to New York before.

5. “ You damaged my camera", said Hung to his sister.

Hung accused his sister of damaging his camera.

6. We didn't have any holidays until this summer.

It was not until this summer that we had some holidays.

7. If you hadn’t studied hard, you would have failed the exam.

Had you not study hard, you would have failed the exam.

8. Lan is pretty but Mai is prettier.

Mai is the prettier of the two girls.

9. This is the best film I’ve ever seen.

I’ve never seen a better film than this.

10. My school has over 800 students.

There are over 800 students in my school.

1. The last time I went to Ho Chi Minh City was ten years ago.

It is ten years since I last went to Ho Chi Minh City.

2. Although he was very tired, he tried to help me with my homework.

Tired as he was, he agreed to help me with my homework.

3. The car is too expensive. I can’t afford it.

It was impossible for me to afford the car because it is too expensive.

4. It's the first time I've been to New York.

I haven’t been to New York before.

5. “ You damaged my camera", said Hung to his sister.

Hung accused his sister of damaging his camera.

6. We didn't have any holidays until this summer.

It was not until this summer that we had a holiday.

7. If you hadn’t studied hard, you would have failed the exam. Had

Had you not studied hard, you would have failed the exam.

8. Lan is pretty but Mai is prettier.

Mai is the prettiest of all.

9. This is the best film I’ve ever seen.

I’ve seen a better film than this before.

10. My school has over 800 students.

There are over 800 students in my school.

Viết lại câu sao cho nghĩa không đổi

1. The last time I went to Ho Chi Minh City was ten years ago.

It has been ten years since l last went to Ho Chi Minh City__________________________________________.

2. Although he was very tired, he tried to help me with my homework.

Tired as he was,he tried to help me with my homework ___________________________________________.

3. The car is too expensive. I can’t afford it.

It was such an expensive car that l couldn't afford it___________________________________________.

4. It's the first time I've been to New York.

I haven’t been to New York before ___________________________________________.

5. “ You damaged my camera", said Hung to his sister.

6. We didn't have any holidays until this summer.

It was not until this summer that we had some holidays __________________________________________.

7. If you hadn’t studied hard, you would have failed the exam.

Had you not study hard,you would have failed the exam___________________________________________.

8. Lan is pretty but Mai is prettier.

Mai is the prettiest of the two girls__________________________________________.

9. This is the best film I’ve ever seen.

I’ve never seen before ___________________________________________.

10. My school has over 800 students.

There are over 800 students in my school ___________________________________________.

11. People say that that plane crashed into the mountains.

12. She tries to learn English well so as to communicate with foreigners.

She tries to learn English well with foreigners ________________________

13. I started teaching English three years ago.

I have taught for three years___________________________________________.

14. No one in my class is more intelligent than Lan.

Lan is the most intelligent student in my class ___________________________________________.

15. This exercise was very difficult. We couldn’t do it.

This exercise was so difficult that we can't do it__________________________________________.

Had ___________________________________________.

17. “When will you come back, Nga?”

I asked Nga when she would come back___________________________________________.

18. No one has bought this house.

This house ___________________________________________.

19. She didn't take an umbrella so she got wet.

She wouldn't have got wet if she had taken an umbrella ___________________________________________.

20. It was a mistake for him to buy that house.

He shouldn’t buy thay house_________________________________________.

Đảo ngữ. Viết lại câu.

1.If you study hard, you'll the exam.

=> Do you study hard, you will pass the exam.

2.If they did this exercise, they would not punish by their teacher.

=> Did they this exercise, they would not punish by thier teacher.

3.If they had helped me, I would have passed the exam.

=> Had they helped me, I would have passed the exam.

4.If we had enough money, we would buy that house.

=> Had we enough money, we would buy that house.

5.If I had knew who you are I wouldn't have asked her your name.

=> Had I knew who you are I wouldn't have asked her your name.

6.were I knew your address, I would visit you.

=> Were I knew your address, I would visit you.

7. Should she phone me, I wil answer her.

=> Should she phone me, I will answer her.

8.She had knew my address, she would have visited me.

=> Had she knew my address, she would have visited me.

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

Chia động từ

1.If you (study)...study.......hard, you'll the exam.

2.If they did this exercise, they (not punish)......wouldn't punish.......by their teacher.

3.If they had helped me, I (pass)....would have pased.........the exam.

4.If we (have)....had......enough money, we would buy that house.

5.If I (know)....had knew....who you are I wouldn't have asked her your name.

6.were I (know)....knew.........your address, I would visit you.

7. Should she phone me, I (answer)...will answer....her.

8.She (know).......had knew......my address, she would have visited me.

Chia động từ

1.If you (study)......study....hard, you'll the exam.

2.If they did this exercise, they (not punish)......WOULDN'T BE PUNISHED.......by their teacher.

3.If they had helped me, I (pass)......WOULD HAVE PASSED......the exam.

4.If we (have)......HAD....enough money, we would buy that house.

5.If I (know)...HAD KNOWN....who you are I wouldn't have asked her your name.

6.were I (know).......TO KNOW.....your address, I would visit you.

7. Should she phone me, I (answer)....WOULD ANSWER...her.

8.HAD She (know)........KNOWN.....my address, she would have visited me.

1) I shouldn't drink that wine if I...were..(be) you

2) More tourist would come to this country if it..had....(have) a better climate

3) If I were sent to prison would you..visit...(visit) me ?

4) If someone...gave....(give) you a helicopter what would you do with it ?

5) I...would buy...(buy) shares in that company if I had some money

6) If the student had spoken politely,the teacher.....wouldn't be..(would/not/be) angry

7) they would have called you if the....had had.(have) your telephone number

8) the company wouldn't have cut the stress if we...had protested..(protest)

9) If they had paid attention, they..wouldn't have learned...(learn) the lesson

10) we..would go...(go) to the movies if we had had money

11) you would have found your book if you..had looked..(look) for it

12) If she had helped me I..would have finished...(finish) my homework

13)If it ...was..(be) sunny,we would have gone to the beach

14)they ..would have seen..(see) the film if they had come earlier

15)you would have found your book if you..had looked.(look) for it

1 I shouldn't drink that wine if I...were.. (be) you

2) More tourist would come to this country if it..had....(have) a better climate

3) If I were sent to prison would you..visit...(visit) me ?

4) If someone...gave....(give) you a helicopter what would you do with it

5) I...would buy...(buy) shares in that company if I had some money

6) If the student had spoken politely,the teacher.....wouldn't have been..(would/not/be) angry

7) they would have called you if the....had had. (have) your telephone number

8) the company wouldn't have cut the stress if we...had protested..(protest)

9) If they had paid attention, they..wouldn't have learned...(learn) the lesson

10) we..would go...(go) to the movies if we had had money

11) you would have found your book if you..had looked..(look) for it

12) If she had helped me I..would have finished... (finish) my homework

13)If it ...has been..(be) sunny,we would have gone to the beach

14)they ..would have seen..(see) the film if they had come earlier

15)you would have found your book if you..have looked.(look) for it

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

REWRITE THE FOLLOWING SENTENCES USING IF-> UNLESS
TYPE1
1. If he doesn't hurry, he will be late for school
-> unless he hurry, he will be late for school
2. unless it stops raining, we won't go out
-> if it doesn't stop raining, we won't go out
3. you will get success if you are patient
- unless you aren't patient,you will get success
4. those flowers will die if nobody waters them
- unless nobody doesn't water them,those flowers will die
5. no one can help him if he doesn't tell the truth
- unless he tell the truth,no one can help him
6. you will catch a cold unless you keep your feet dry
- if you don't keep your feet dry,you won't catch a cold
7. if i don't catch the plane, i will not be home by five
- unless i catch the plane, i will not be home by five
8. if you don't apologize, i will never speak to you again
-unless you apologize, i will never speak to you again
9. unless he gives me his number, i won't phone him
- if he doesn't give me his number, i won't phone him
10. he cannot do that exercise if he doesn't learn his lessons carefully
-unless he learn his lessons carefully,he can do that exercise

TYPE 2
1. unless the studied harder, he would fail the final exam
- if the didn't study harder, he would fail the final exam
2. unless the drank alcohol, he would pass the contest
- if the didn't drink alcohol, he would pass the contest
3. unless he phoned immediately, he wouldn't meet Mary
-if he didn't phone immediately, he wouldn't meet Mary
4/ if we didn't have a calculator, we couldn't work his more quickly
-unless we didn't have a calculator, we couldn't work his more quickly
5. if i weren't weak, i could walk
- unless i were weak, i could walk
6. if you weren't slow now, you could uiwn the race
- unless you were slow now, you could uiwn the race
7. if you didn't speak very quickly, the students could hear you well
- unless you spoke very quickly, the students could hear you well
8. if tom didn't invite me, i wouldn't go to the party
- unless tom invited me, i wouldn't go to the party
9. if they didn;t know his number now, they wouldn't give it to me
- unless they knew his number now, they wouldn't give it to me
10. unless he were careful, he would have serious accident
- if he weren't careful, he would have serious accident

TYPE3
1. if he hadn;t been too lazy, he wouldn't have failed the exam
- unless he had been too lazy, he wouldn't have failed the exam
2. unless yesterday had been a nice day, we wouldn;t have gone camping
-if yesterday hadn't been a nice day, we wouldn;t have gone camping
3. if you hadn't driven carefully, you would have had a serious accident
- unless you had driven carefully, you would have had a serious accident
4. if the bus hadn't been crowded, he wouldn't have walked to the office
-unless the bus had been crowded, he wouldn't have walked to the office
5. unless you had studied hard, you wouldn't have walked to the office
- if you hadn't studied hard, you wouldn't have walked to the office
6. unless you had helped me, i wouldn't have finished our homework
- if you hadn't helped me, i wouldn't have finished our homework
7. unless the meeting were so long they wouldn't feel tired
- if the meeting weren't so long they wouldn't feel tired
8. if he weren't too lazy, he would pass the exam
- unless he were too lazy, he would pass the exam

1. What you (do) would you have done if I hadn’t lend you the money?

2. If you had asked me for ticket, I (get) would have got you some tickets.

3. I (not marry) wouldn't have married him If I had known what he was like.

4. I wouldn’t have hired a car if I (know) had known how expensive it was.

5. If we (go) had gone to the cinema earlier, we wouldn’t have missed the start of the film.

6. If I had been born a year earlier, I (have) would have had to do military service.

7. If you (ask) had asked me , I would have lend you my car.

8. If I had gone to university, I (get) would have got a better job.

9. I (not go) wouldn't have gone out yesterday , If you had asked me not to.

10. I could have given you a lift if my car (not break) hadn't broken down.

11. I (not go) wouldn't have gone to Britain if I had known what was going to happen.

12. I would have stay longer if he( want) had wanted me to.

13. I (not come) wouldn't have come to this school if I had known it was like.

14. We would have gone to his party if we had been able to find a baby – sister.

15. . I (visit ) would have visted you in the hospital if I had known you were there

1. would you have done
2. would have got
3. wouldn't have maried
4. had known
5. had gone
6.could have had
7. had asked
8.could have got
9. wouldn't have gone
10. hadn't broken
11. wouldn't have gone
12. had wanted
13. wouldn't have come
14. had been
15. would have visited

 would you have done
 would have got
wouldn't have married
had known
 had gone
 would have had
 had asked
would have got

 wouldn't have gone
 hadn't broken
 wouldn't have gone
 had wanted
 wouldn't have come
 had been
 would have visited