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viết lại câu sao cho nghĩa không đổi
1. I do not buy it because I do not have enough money
--> If I had enough money , i would buy it
2. I am búy now, so I can not help you
--> If I weren't buying now , i could help you
3. There will be a shortage of water unless it rains
--> If it doesn't rain , there will be a shortage of water
4. John is fat because she eat many chips
--> If she didn't eat many chips , she wouldn't be fat
5. I will only help you if you promise to try harder
--> Unless you promise to try harder , i won't help you
6. If it does not rain soon, the srops will be lost
--> Unless it rains soon , the crops will be lost
7. I am very tired so I can not concentrate properly
--> If i weren't tired , i could concentrate properly
8.We do not have a garden , so we do not grow our own vegetables
--> If we had a garden , we would grow our own vegetables
9. He does not give you good advice because he is not your true friend
--> If he were your true friend , he would giv you good advice
10. We come late becavuse the rain is so havely
--> If the rain weren;t so heavy , we wouldn't come late
viết lại câu sao cho nghĩa không đổi
1. I do not buy it because I do not have enough money
--> If I had enough money, I would buy it.
2. I am búy now, so I can not help you
--> If I wasn't busy now, I could help you.
3. There will be a shortage of water unless it rains
--> If it didn't rain, there would be a shortage of water.
4. John is fat because she eat many chips
--> If she didn't eat many chips, she wouldn't be fat.
5. I will only help you if you promise to try harder
--> Unless you promise to try harder, I will not help you.
6. If it does not rain soon, the srops will be lost
--> Unless it rains soon, the srops will be lost.
7. I am very tired so I can not concentrate properly
--> If I wasn't very tired, I could concentrate properly.
8.We do not have a garden , so we do not grow our own vegetables
--> If we had a garden, we would grow our own vegetables.
9. He does not give you good advice because he is not your true friend
--> If he was your true friend, he would give you good advice.
10. We come late becavuse the rain is so havely
--> If the rain wasn't so heavy, we wouldn't come late.
1 he can not go out because he has to study for his exam
=> if he doesn't have to study for the exam, he can go out.
2 she is lazy so she can not pass the exam
=> if she isn't lazy, she can 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 is why he can not get rid of his cough
=>if he doesn't smoke too much, he can not get rid of his cough.
5 she is very shy , so she does not enjoy the pary
=>if she isn't shy, she will enjoy the party.
(Tớ làm 5 câu thôi, mấy câu sau cậu tự làm nhé)
1.if you don't take good care of it, the car breaks down so often
2.if you hurry up, you won't be late
3.if she were very busy, she couldn't help me now
4.if the weather weren't snowny, the children could go to school
5.if you take exercise, you will be fit
6.if you were careful, you would't cut yourself with that knife
7.unless i had time, i would't help you
8.unless you leave me alone, i will call the police
9.if he drives carefullly, dick doesn't often cause accidents
10.if i knew english, i could apply for that job
11. unless you tell me the whole truth, i will help you
12. unless they invited me, i wouldn't come
1) It is late now; I don't think Ann will come to see us
-> I would be surprised if Ann came to see us.
2)We don't go on holiday because we don't have enough money
-> If we had enough money, we would go on holiday.
3) Do these exercises more carefully or you will fail the exams
-> Unless you do these exercises more carefully, you will fail the exams.
4) I do not know the answer so I can not tell you
-> If I knew the answer, I could tell you.
5) She can't apply for the job because she doesn't know French
-> If she knew French, she could apply for the job.
6) if she didn't come here now, we'd come back home
-> Unless she came here now, we'd come back home.
7) Be careful or you will not be able to get the job
-> Unless you are careful, you will be able to get the job.
8) The trees will die unless it rains soon
-> If it doesn't rains soon, the trees will die.
1. I haven't got money , so I'm not going on holiday
-> If I haven't got money , I am not going on holiday
2. He often gets bad marks because he is lazy
-> If he lazy , he will often get bad marks
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time
4. Hurry up , or we will be late for the exam
-> If we are not hurry , We will be late for the exam
5. Be quiet , or you will not understand the lesson
-> If you are not be quiet , you will not understand the lesson
6. They do not understand you because you do not often talk to them
-> If you don't talk to them , they won't understand you
7. The office may be closed , so Mark won't be able to get in
-> If the office may be closed , Mark won't be able to get in
8. You can't look the work up because you haven't got a dictionary
-> If you haven't got a book , you can't look the work up
9. He didn't hurry , so he missed the train
-> If he đin't hurry , He would miss the train
10. We canceled our picnic because it rained very hard yesterday
-> If it rained very hard yesterday , we would cancele our picnic
11. I wasn't at home yesterday , I didn't see my old friends
-> If I didn't see my old friends , I would not at home yesterday
12. They don't behave themselves so their parents are not happy about that
-> If their parents are not happy about that, They don't behave themselves
13. She didn't say sorry so she was angry
-> If she was angry , she would not say sorry
14 . It raines last night so I didn't go to the barbecue
-> If I didn't go the the barbecue , It would rain last night
15. She doesn't play attention to her coooking so the food is horrible
-> If the food is horrible , She won't play attention to her cooking
16. The weather was very nice so we didn't go camping
-> If the weather was very nice , we wouldn't go camping
17. The computer broke down and I had to stop my work
-> If the computer broke down , I had stopped my work
18. She love him so she forgives him easily
-> If she love him , she will forgive him easily
Chúc bạn học tốt 
1. I haven't got money , so I'm not going on holiday
- If I had enough money I would go on holiday.
2. He often gets bad marks because he is lazy
-> If he isn't lazy, He will not get bad marks.
3. Do it now , or you will not finish it on time
-> If you don't do it now, you won't finish it on time.
4. Hurry up , or we will be late for the exam
-> If we don't hurry up, we will be late for the exam.
5. Be quiet , or you will not understand the lesson
-> If you weren't quite, you won't understand the lesson.
6. They do not understand you because you do not often talk to them
-> If you often talk to them, they will understand you.
7. The office may be closed , so Mark won't be able to get in
-> If the office are closed , Mark won't be able to get in.
8. You can't look the work up because you haven't got a dictionary
-> If I had a dictionary, I could look the word up.
9. He didn't hurry , so he missed the train
-> If he had hurried , he wouldn't have missed the train .
mấy câu nữa tối làm
1. If my parents allowed me to go, I wouldn't have to stay at home.
2. If the computer hadn't broken down, I wouldn't have had to stop my work.
3. If she didn't love him, she wouldn't forgive he easily.
4. If you had often talked to them, they would have understood you.
5. If I had had a dictionary, I could have looked the word up.
6. If Sandra had got her camera, she could take a photo.
7. If I didn't have to work tomorrow evening, I would meet you.
8. If it hadn't been raining, we could have had lunch in the garden.
9. If Susan had got a watch, she wouldn't be often late for work.
10. If he didn't smoke forty cigarettes a day, he wouldn't cough a lot.
11. If I had a boat, I would sail around the world.
12. If they had had a garden, they would have grown vegetables.
13. If I had known his address, I would have given it to you.
14. If the doctor hadn't been so late, he could have seen many patients.
1. I would be surprised if Ann came to see us now.
2. If we had enough money,we would go on holiday
3. Unless you do these exercises more carefully, you will fail the exam.
4. If I knew the answer, I could tell you.
5. If she knew French, she could apply for the job
6. Unless she cam here now, we'd come back home
7. Unless you are careful, you will be able to get the job
8. If it rains soon, the tree won't die
* Rewrite the sentences.
1. It is late now; I don't think Ann will come to see us.
-> I would be surprised if __________Ann came to see us________.
2. We don't go on holiday because we don't have enough money.
-> If _________we had enough money, we would go on holiday_________.
3. Do these exercises more carefully or you will fail the exams.
->Unless_________you do these exercises more carefully, you will fail the exams_________.
4. I do not know the answer so I cannot tell you.
-> If _________I knew the answer, I could tell you_________.
5. She can't apply for the job because she doesn't know Frencj.
-> If she knew__________Frencj, she could apply for the job________.
6. If she didn't come here now, we'd come back home.
-> Unless__________she came here now, we'd come back home________.
7. Be careful or you will not be able to get the job.
-> Unless__________you are careful, you won't be able to get the job________.
8. The trees will die unless it rains soon.
-> If_________it doesn't rain soon, the trees will die_________.
We didn’t go to her party last night
-> we wish..had gone to her party last night..
They think that she broke the vase
-> she....is thought to have broken the vase..
She has a good relationship with all the people working here-
>she gets..a good relationship with all the people working here...
omeone mended the new jeans for her yesterday
->She..was mended the new jeans yesterday....
It is reported that he has been injured
->He..is reported to have been injured ..
My English is not good so I can’t apply for this job( enough)
->my..English is not good enough for me to apply for this job...
When did you become interested in classical music
->How long...have you become interested in classical music?....
I last saw her 10 years ago
-> I haven’t......seen her for 10 years.
We couldn’t get home before 8pm because we missed the last bus
->if...we hadn't missed the last bus,We could have got home before 8pm..
I got up late this morning so I missed the bus
->if...I hadn't got up late this morning ,I wouldn't have missed the bus...
The book is too expensive, I can’t buy it now
->if..The book weren't too expensive, I could buy it now...
Her English is not very good so she can not join their club
->if..Her English were very good ,she could join their club...
He was hungry because he didn’t have breakfast this morning
>if...He hadn't been hungry,he would have had breakfast this morning..
Our mother is not here,we can’t start the party-
>if...Our mother were here,we could start the party-...
I have to learn English again because I didn’t learn it carefully at school
->if.....I had learned English carefully at school,I wouldn't have learned it again..
Last night I didn’t watch that film because I had to do so much at school
->if.....,I had done so much at school,Last night I would have watched that film,.
She got bad marks because she didn’t study hard
->if...she had studied hard,She wouldn't have got bad marks....
He wants to become a volleyball player but he is not tall enough
->if......he were tall enough,He would become a volleyball player...
I didn’t finish the homework this morning so my teacher was very angry
->if....I had finished the homework this morning , my teacher wouldn't have been very angry......
The house is too expensive,we can’t buy it now
->if.....The house weren't too expensive,we could buy it now....
Her Japanese is not very good so she doesn’t apply for that job
->if.....Her Japanese were very good ,she would apply for that job......
He missed the bus this morning because he got up late
->if.....he hadn't got up late,He wouldn't have missed the bus this morning.....
Our teacher is not here,we can’t have a short break now
->if.......Our teacher were here,we could have a short break now...
I don’t understand this lesson because I missed the class yesterday
->if......I hadn't missed the class yesterday,I would understand this lesson....
Last night I watched TV so late and now I am very tired
->if....Last night I hadn't watched TV so late ,now I wouldn't be tired.....
She failed the exam because she didn’t study hard-
>if......she had studied hard,She wouldn't have failed the exam......
He can’t join our club because he is not tall enough
->if..he were tall enough,He could join our club....
I. Put the verds in brackets into the correct forms:
1. If I (have) .have.... time, I will write to him.
2. If it's cold, I (need) .will need... a heavier coat
3. What are you going to do if you (have).have... a holiday?
4. If I meet Helen, I (give)..will give... her your messenger
5. If I can go tomorrow, I (let)...will let.. you know
6. If flowers don't get any water, they (die)..will die..
7. Don't come if they (not call)..don't call..you
8. If I didn't feel so tired, I (go)...would go. out with you.
9. I could repair the car if I (have).had... the right tools.
10. If she hadn't been ill yesterday, she (go).would have gone.... to work now.
II. Rewrite these sentences, beginning as shown, so that the meaning stays the same:
1. If you don't like this one, I'll bring you another.
=> Unless you like this one, I'll bring you another.
2. I'll only help you if you promise to try harder.
=> Unless you promise to try harder,. I won't help you
3. Unless you work hard, you will not fail the exam
=> If you don't work hard, you will not fail the exam
4. Stand up or you will be punished.
=> Unless you don't Stand up ,you will be punished.
5. Do your homework or you will get bad mark
=> If you don't Do your homework,you will get bad mark
III. Rewrite these sentences use "If"
1. I don't know enough about this machine, so I can't mend it myself.
=> If I knew enough about this machine, I could mend it myself.
2. I don't ride the bus to work every morning because it's always so crowed
=> If it weren't always so crowed, I would ride the bus to work every morning
3. The wwind is blowing hard, so I won't take the boat out for ride.
=> If The wwind wern't blowing hard, I would take the boat out for ride.
4. Nick can'r find the way because he doesn't have a map.
=> If Nick had a map,He could find the way
5. Susan felt sick because she ate many cream cake.
=> If susan hadn't eaten many crea, cake,she wouldn't have felt sick
6. Without this treatment, the patient would have died.
=> If it hadn't been for this treament, the patient would have died.
7. Those people weren't prepared to face the floods; therefore, the consequence was disastrous
=>If Those people had been prepared to face the floods; the consequence wouldn't have been disastrous
IV. Rewrite these sentences
1. The book was so expensive that I didn't buy it.
=> The book was too expensive for me to buy
2. He can touch the light because he's very tall
=> He is tall enough to touch the light
3. It is such good weather that they are going for picnic.
=> The weather is so good that they are going for picnic.
4. I didn't go and neither did my friend (either)
=> I didn't go and my friend didn't,either
1.Peter is fat because he eats so many chips =>
If he didn't eat so many chips, he wouldn't be fat
2.If you are not careful,you will cut yourself with that knife =>
Unless you are careful,you will cut yourself with that knife.
3.If you do not like this one,I'll bring you another =>
Unless you like this one, I'll bring you another.
4.I'll not be able to do any work if I do not have a quiet room =>
.Unless I have a quite room,I'll not be able to do any work.
5.If she does not hurry,she will be late =>
Unless she hurries, she’ll be late.
6.She doesn't have a bike so she has to walk to school =>
If she had a bicycle, she wouldn't have to walk to school
7.I am not rich businessman and I can't afford to buy an expensive car =>
If I were a rich businessman, I could afford to buy an expensive car
8.My parents don't allow me to go,so I have to stay at home =>
If my parents allowed me to go, I wouldn't have to stay at home
9.She doesn't pay attention to her cooking so the food is horrile =>
If she paid attention to her cooking, the food wouldn't be horrible
10.They do not know each other very well so they do not talk to each other =>
If they knew each other very well , they would not be reserved
11.He is not a millionaire,so he can't give you all that you want =>
If he were a millionaire , he could give you all that you want
12.She loves him so she forgives him easily =>
If she didn't love him, she wouldn't forgive him easily.
13.We get up late in the morning so we do not have time to have breakfast =>
If we got up late this morning, he wouldn't have time to have breakfast
14.If she does not hurry,she will be late for school =>
.Unless she hurries,you'll be late.
15.We 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
16.She is lazy so she can't pass the exam =>
If she weren't lazy, she could pass the exam.
17.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
18.He smokes too much;that why he can't get rid of his cough =>
If he didn’t smoke too much, he could get rid of his cough.
19.She is very shy,so she doesn't enjoy the party =>
If she weren’t very shy, she would enjoy the party.
20.He doesn't take any exercises.He is so unhealthy =>
If he took some exercises, He would be healthy.
21.Study hard or you won't pass the exam =>
If you don’t study hard, you won’t pass the exam.
22.Don't be impatient or you will make mistakes =>
If you are impatient, you will make mistakes.
23.If you want my advice,I wouldn't buy it =>
If I were you, I wouldn't buy it.
24.I only come if they invite me =>
Unless they invite me, I will not come.
25.He didn't revise all his lessons,he failed the exam =>
If he had revised all his lessons, he wouldn't have failed the exam.
26.Leave me alone or I'll call the police =>
Unless you leave me alone, I'll call the police
1. Peter is fat because he eats so many chips
If he didn't eat so many chips, he wouldn't be fat
2.If you are not careful,you will cut yourself with that knife
Unless you are careful,you will cut yourself with that knife.
3.If you do not like this one,I'll bring you another
Unless you like this one, I'll bring you another.
4.I'll not be able to do any work if I do not have a quiet room
Unless I have a quite room,I'll not be able to do any work.
5.If she does not hurry,she will be late
Unless she hurries, she’ll be late.
6.She doesn't have a bike so she has to walk to school
If she had a bicycle, she wouldn't have to walk to school
7.I am not rich businessman and I can't afford to buy an expensive car
If I were a rich businessman, I could afford to buy an expensive car
8.My parents don't allow me to go,so I have to stay at home
If my parents allowed me to go, I wouldn't have to stay at home
9.She doesn't pay attention to her cooking so the food is horrile
If she paid attention to her cooking, the food wouldn't be horrible
10.They do not know each other very well so they do not talk to each other
If they knew each other very well , they would not be reserved
11.He is not a millionaire,so he can't give you all that you want
If he were a millionaire , he could give you all that you want
12.She loves him so she forgives him easily
If she didn't love him, she wouldn't forgive him easily.
13.We get up late in the morning so we do not have time to have breakfast
If we got up late this morning, he wouldn't have time to have breakfast
14.If she does not hurry,she will be late for school
Unless she hurries,you'll be late.
15.We 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