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1. He can’t go out because he has to study for his exam.
=> If he didn't have to study for his exam, he could go out.
2. She is lazy so she can’t pass the exam.
=> If she weren't lazy, she could pass the exam.
3. He will pay me tonight; I will have enough money to buy a car
=> If he doesn't pay me tonight, I won't have enough money to buy a car.
4. He smokes too much; that’s why he can’t get rid of his cough.
=> If he didn't smoke too much, he could get rid of cough.
5. She is very shy, so she doesn’t enjoy the party.
=> If she weren't very shy, she would enjoy the party.
6. I will get a work permit. I will stay for another month.
=> If I don't get a work permit, I won't stay for another month.
7. He doesn’t take any exercises. He is so unhealthy
=> If he took any exercises, he wouldn't be so healthy.
. 8. We can’t get the ticket because I don’t have the right change.
=> If I had the right change, we could get the ticket.
9. Study hard or you won’t pass the exam.
=> If you don't study hard, you won't pass the exam.
10. Don’t be impatient or you will make mistakes
=> If you are not impatient, you won't make mistakes.
11. I d i d n ’t eat l un ch, I feel h un gry now.
=> If I ate lunch, I wouldn't fell hungry.
12. I only come if they invite me.
=> Unless they invite me, I won't come.
13. He didn’t revise all his lessons, he failed the exam.
=> If he revised all his lessons, he wouldn't failed the exam.
Exercise 9 : Rewrite the following sentences:
1. He can’t go out because he has to study for his exam.
=> If.....he didn't have to study for his exam, he could go out.......
2. She is lazy so she can’t pass the exam.
=> If...........she weren't lazy, she could pass the exam..............
3. He will pay me tonight; I will have enough money to buy a car.
=> If.......he pays me tonight, I will have enough money to buy a car...........
4. He smokes too much; that’s why he can’t get rid of his cough.
=> If..............he didn't smoke too much, he could get rid of his cough...............
5. She is very shy, so she doesn’t enjoy the party.
=> If................she weren't very shy, she would enjoy the party..................
6. I will get a work permit. I will stay for another month.
=> If..............I get a work permit, I will stay for another month
7. He doesn’t take any exercises. He is so unhealthy
=> If.........he took any exercises, he were so healthy....................
8. We can’t get the ticket because I don’t have the right change. => If...........I had the right change, we could get the ticket...............
9. Study hard or you won’t pass the exam.
=> If.......you study hard, you will pass the exam................
10. Don’t be impatient or you will make mistakes.
=> If......you are impatient ,you will make mistake............
11. I did n ’t eat lunch, I feel hungry now.
=> If I.........had eaten luch ,I wouldn't have felt hungry now.............
12. I only come if they invite me.
=> unless..........they invite me ,I won't come..................
13. He didn’t revise all his lessons, he failed the exam.
=> If he........had revised all his lesson, he wouldn't have failed the exam.............
14. The park is over there, only 5 minutes’ walk.
=> If you walk........to the park, it will take 5 minutes..........
15. Leave me alone or I’ll call the police. =>Unless...............you leave me alone , I will call the police...............
16. If you arrive at the office earlier than I do, please turn on the airconditioner.
=>Should...........you arrive at the office earlier than I do, please turn on the airconditioner.................
17. The children don’t go to school in the snowy weather.
=> If it.......snows, the children won't go to school.........
18. He died so young; otherwise, he would be a famous musician by now.
=>Had..............he not died so young, he would have been a famous musician by now...................
19. You must tell me the whole truth or I won’t help you.
=>Unless..........you tell me the whole truth, I won't help you..............
20. The car breaks down so often because you don’t take good care of it.
=>Were I.......took good care of the car, it wouldn't break down so often...........
21. He is very badtempered, that’s why his wife left him soon after marriage. => If he.................weren't badtempered, his wife wouldn't left him soon after marriage................
22. Don’t tell lies to your boss or you’ll be fired at once.
=> If..............you tell lies to you boss, you will be fired at once.......................
23. She got married at such an early age: otherwise, she would be at university now.
=> Had .............she not married at such an early age, she would have been at university now..................

1. Were => had been
2. Had done => have done
3. Has => had
4. Will study => study
5. Am = >were
6. Will=> would
7. To => X
8. Unless => If
9. Apply => have applied
10. Will=> would

1)chuyển thành câu bi động
he had decorated the house before last Tet
---> the home had been decorated before last Tet.
2) chuyển đổi giữa if và unless
we won't go on holiday unless we have enough money
----> If we don't have enough money, we won't go on holiday.
she can't apply for the job if she doesn't know French
----> Unless she know French, she can't apply for the job.
1)chuyển thành câu bi động
he had decorated the house before last Tet
---> the home had been decorated by him before last Tet
we have our mother washed the clothes
---> our clothes have been washed by our mother
2) chuyển đổi giữa if và unless
we won't go on holiday unless we have enough money
----> If we have enough money , we will go on holiday
hoặc
----> If we don't enough money , we won't go on holiday
she can't apply for the job if she doesn't know French
----> Unless she knows French , she can't apply for the job
hoặc
----> Unless she doesn't know French , she can apply for the job

Rewirte the following sentences
1. We can't go out because he has to study for his exam.
=> If HE DIDN'T HAVE TO STUDY FOR HIS EXAM, WE COULD GO OUT.
2. She is lazy so she can't pass the exam.
=> If SHE WEREN'T LAZY, SHE COULD PASS THE EXAM.
3. He will pay me tonight; I will have enough money to buy a car.
=> If HE WOULDN'T PAY ME TONIGHT, I WOULDN'T HAVE ENOUGH MONEY TO BUY A CAR.
4. He smokes too much ; that's why he can't get rid of his cough.
=> If HE DIDN'T SMOKE TOO MUCH, HE COULD GET RID OF HIS COUGH.
5. She is very shy, so she doesn't enjoy the party.
=> If SHE WEREN'T VERY SHY, SHE COULD ENJOY THE PARTY.
6. He doesn't take any exercise. He is so unheatly.
=> If HE TOOK ANY EXERCISES, HE WOULDN'T BE SO UNHEALTHY.
bạn ơi câu 2 của bạn chia sai rồi.''she'' thì phải đi với ''was'' chứ

1. He doesn't get high scores because he is lazy.
=> If ___he weren't lazy, he would get high scores__________________
2. Listen to your teacher carefully or you can't understand the lessons.
=> If ___you don't listen to your teacher carefully, you can't understand the lessons____________
3. Drive carefully and you may not have an accident.
=> If _____you drive carefully, you may not have an accident__________
4. I don't have enough money, so I can't buy this car.
=> If ____I had enough money, I could buy this car_________
5. There will be a shortage of water unless it rains.
=> If ___it doesn't rain, there will be a shortage of water_________
bn Linh Nguyễn ơi nhờ bn giải dùm mk câu này luôn nha mk quên ghi:
6. She doesn't know my phone number she.
=> If ________________________________

Use the corect tense of the verbs in brackets:
1. Your son will be if he (eat)eats too much green fruit.
2. If dinner (not be)isn't ready, we'll go without it.
3. You shouldn't study hard if you (want)want to pass the final exam.
4. Unless he (ask) asks you, don't give him anything.
5. What (happen) will happen if I press this button?
6. You could understand the lesson better if you (not talk)didn't talk in class so much.
7. I'll go mad unless he (turn)turns the radio off.
8. We (not have)wouldn't have to walk a long way if we hadn't run out of petrol.
9. If the story (not be)hadn't been true, the newspaper wouldn't have printed it.
10. What would you (do)do if you (be)were a millionaire?

1. You'd better not touch that switch.
=} If I...were you, I wouldn't t.tought that switch....
2. It's impossible to do this because we have no time.
=} If we .had time, it would be possible to do this..
3. I think you should play sports to keep fit.
=} If I.were you, I would play sports to keep fit..
4. If we use solar energy, we can save natural resources.
=} By..using solar energy,we can save natural resources.
5. Perhaps I'll have time if so I'll come and see you.
=} If I...had time, I would come and see you
6. Trung doesn't got good marks at school; therefore, he will not be given a dictionary.
=} If Trung didn't get good marks at school, he would be given a dictionary
7. We don't have a car, so we don't drive to work.
=} If we..had a car, we would drive to work
8. We can't have a holiday because we don't have enough money.
=} If we...had enough money, we would have a holihay
9. If someone doesn't put the coal, the fire will go out.
=} Unless...someone put the coal, the fire will go out
10. Fred wouldn't do that if he didn't have you permission.
=} Unless...Fred would do that, he didn't have your permission
11. I won't brother to call you if I don't hear from Mr.Brown.
=} Unless...you hear from Mr. Brown,I won't brother to call you
12. If you don't agree with him, Charsles wouldn't even suggest it.
=} Unless...you agree with him,Charsles wouldn't even suggest it
13. We can't write to Mr.Andersen if he doesn't send us his address.
=} Unless... Mr.Andersen sends us his address, we can't write to Mr.Andersen
14. The lawyer wouldn't say that if he didn't have strong evidence.
=} Unless...the lawyer has strong evidence,he wouldn't say that
Bạn ơi sửa giúp mk câu 17 với:
I won't bother to call you if I don't hear from Mr.Brown
=} Unless

Rewrite these sentences as directed:
1. He doesn't eat fish when he isn't extremely hungry.
=> If he isn't extremely hungry, he doesn't eat fish. ( Điều kiện loại 0 , nêu lên 1 sự thật chắc chắn xảy ra)
2. We didn't hurry, so we were late for the concert.
=> If we had hurried, we wouldn't have been late for the concert.
3. In order to get a driver's license, you must be at least 18 years old.
=> If you want to get a driving license, you must be at lest 18 ys old.
4. A person must have a passport to be able to travel abroad.
=> A person cannot travel abroad unless he/she has a passport.
5. Ann's having a lot of trouble because she lost her passport last week.
=> If Ann hadn't lost her passport lastweek, she wouldn't be having a lot of trouble
6. Tom dosen't do anything if you don't tell him what to do.
=> Unless you tell Tom what to do, he doesn't do any thing.
7. We must take steps to preserve natural resources, or the planet will be in danger.
=> Unless we take steps to preserve natural resources, the planet will be in danger.
8. It's such a pity your sister can't come as well
=> If only your sister could come as well.
9. The soil would become poor unless the farmer added fertilizers.
=> If the farmer hadn't added fertilizers, the soil would have become poor.
10. You probably won't have time, but I'd like you to come and see.
=> If you have time, I'd like you to come and see.
If he doesn't hurry, he will miss the show.
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