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1. Why don't we go for a picnic on the weekend?
=> Let's going for a picnic on the weekend
2. Let's go to work by bus.
=> What about going to work by bus. ?
3. Nga is a good English speaker.
=> Nga speaks English well
4. Unless you get a visa. You can't visit the United States.
=> If you get a visa , you can visit the United States.
5. If you don't succeed, you'll have to try it again.
=> Unless you succeed, you'll have to try it again.
6. I suggest collecting unused cothes.
=> Let's collect unused clothes.
7. Ba is tired. He stayed up late watching TV.
=> Because Ba stayed up late watching TV , he is tired
8. Hoa was careless, so broke the cup.
=> Since Hoa was careless, she broke the cup
9. We were disappointed. She didn't keep her promise. (Adj + that)
=> We were disappointed that she didn't keep her promise
10. It was raining, so we decided to postpone our camping.
=> Since it was raining, we decided to postpone our camping
11. She wants them to sing a song.
=> She suggests they singing a song
12. She couldn't join us beacause she was busy.
=> She was busy, so she couldn't join us
13. Shall we go to the cinema tonight?
=> What about going to the cinema tonight?
14. Why don't we use energy-saving bulbs?
=> I suggest using energy-saving bulbs?
15. Although she was not beatiful, she took part in a beauty contest.
=> She wasn't beatiful but she took part in a beauty contest.
16. Work hard and you'll pass the exam.
=> If you work hard , you'll pass the exam.
17. If you don't start working hard now, you won't be able to pass the final exam.
=> Unless you start working hard now, you won't be able to pass the final exam.
18. We are delighted. You passed your English exam.
=> We are delighted , because you passed your English exam.
19. She was tired and therefore she wanted to go home.
=> She wanted to go home because she was tired
20. Tet is a festival. Tet occurs in late January or early February. (which)
=> Tet is a festival which occurs in late January or early February.
21. The pupil gets the scholarship. He is very poor. (who)
=> The pupil who gets the scholarship is very poor
22. Auld Lang Syne is a song. Auld Lang Syne is sung on New Year's Eve. (which)
=> Auld Lang Syne is a song which Auld Lang Syne is sung on New Year's Eve.
23. Have you ever spoken to the people? They live next door. (who)
=> Have you ever spoken to the people who live next door
24. Is this the book? You want me to read it? (which)
=> Is this the book which you want me to read it? (which)
25. My friend Tom can compose songs. Tom sings Western folk songs very well. (who)
=> My friend Tom, who can compose songs, sings Western folk songs very well.
26. He often tells lies but many people believe him.
=> Although he often tells lies , many people believe him.
27. He is very tired but he has to finish his homework. (even though)
=> Even though he is very tired , he has to finish his homework.
B. Thì hiện tại hoàn thành và thì quá khứ đơn
1. We have learnt Englist for 6 years.
=> We started learning E 6 years ago
2. It's three years since I last saw Nam.
=> I haven't seen Nam for three years
3. I last wrote to my uncle in July.
=> I haven't written to my uncle since July
4. Minh has collected stamps since 2000.
=> Minh began collecting stamps in 2000
5. It's a long time since we became close friends.
=> We have become close friends for a long time
6. I haven't gone to Da Lat for a long time.
=> I last went to Da Lat was a long time
7. The last time I visited my grandparents was last summer.
=> I haven't visited my grandparents since last summer
8. My family have lived in Lien Huong for 10 years.
=> My family started living in Lien Huong 10 years ago
9. I last saw him two days ago.
=> I have seen him for two days
10. How long have you bought this car?
=> When did you buy this car ?
1. It's two years since I had a holiday.
-> I have.....had a holiday for 2 years.....
2. This is my first flight to Hanoi
-> I have never.flown to Hanoi before...
3. This is my first visit to Singapore.
-> I have not.visited to Singapore before....
4. When was the last time Paul came to paris ?
-> When did...Paul come to paris ?....
5. This is the second time she has seen that film.
-> She has...ever seen that film before.....
6. I haven't been to the cinema for three months
-> The last time....I went to the cinema three months ago.......
44. Come to class on time or you will be punished.
-> If..... ...you don't come to class on time, you will be punished
45. The last time we saw the flim was in 1998.
-> I.....haven't seen the film since 1998
48. " I may have a new job"
-> She said....she might have a new job
50. Mai last heard from her parents was 6 years ago.
-> Mai........hasn't heard from her parents for 6 years
44. If..... ...you don't come to class on time, you will be punished
45. I.....haven't seen the film since 1998
48. She said....she might have a new job
1. Speaking English fluently is not easy.
=> It. not easy to speak Eg fluently
2. You remembered to post the letter, didn’t you?
=>You didn’t remember to post the letter, did you?
3. It is a six hours flight from London to New York.
=> It takes six hours to fly from London to New York.
4. He not only spent all his money; he even borrowed some from me.
=> Not only did he spend all his money but also borrowed some from me.
5. We spent our childhood in that beautiful mountain resort, and we always remember it.
=> We always remember our childhood in that beautiful mountain resort,
6. The circus shows are exciting. The whole family enjoy them.
=> The circus shows are exciting for the whole family to enjoy
7. Le Van Tam was very brave. Everyone admired him.
=> Le Van Tam was so brave that Everyone admired him.
8. The problem is so difficult that I can’t explain it.
=> This is such a difficult problem that I can’t explain it.
9. The fire has destroyed almost all the houses in the neighbourhood.
=> Almost all the houses in the neighbourhood have been destroyed by the fire
10. The robbers made the bank manager hand over the money.
=> The bank manager was made to hand over the money the the robbers
11. “I don’t remember what I did yesterday.” she said.
=> She told me that she didn't remember what she had done the day before
12. He got in trouble because he didn’t take my advice.
=> If he had taken my advice,he wouldn't have got into trouble
13/The desk was too heavy. She couldn’t move it.
=> The desk was so jeavy that She couldn’t move it.
14/ I walked to school in 20 minutes
=> It took me 20 minutes to walk to school
15/ He spent all his money. He even borrowed some from me
=> Not only did He spend all his money but also borrowed some from me
16/ In spite of the heavy rain, my father went to work
=> Although it rained heavily, my father went to work
17/ After the beginning of the opera, late-comers had to wait before taking their seats
=> Once the opera began, late-comers had to wait before taking their seats
18/ He had hardly left the office when the telephone rang.
=> No sooner had He left the office when the telephone rang.
19/ The fields are very fertile. They plant potatoes in those field.
=> The fields where They plant potatoes are very fertile.
20/ The woman was a secretary. We are waiting for her.
=> The woman who We are waiting for was a secretary.
21/ I don’t have a car.
=> I wish I had a car
22/ They didn’t talk to each other two week ago.
=> They haven’t talked to each other for two weeks
23/ Mr. Clark bought a new car although we advised him against it.
=> Despite advising him against it,Mr. Clark bought a new car
24/ I had only just put the phone down when the boss rang back.
=> Hardly had I just put the phone down when the boss rang back.
25/ My mother was the most warm-hearted person I’ve ever known.
=> I’ve never known a more warm-hearted person than my mother
26/ They never made us do anything we didn’t want to.
=> We were never made to do anything we didn’t want to.
27/ The patient recovered more rapidly than we expected. [recovery]
=> The patient made a recovery rapidly than we expected.
28. Tom is so clever that he can learn this language in a short time.
=> Tom can learn this language in a short time because he is clever
29. I’m sorry I don’t go with you.
=> I wish I could go with you
30. Does he play football wonderfully?
=> Is he good at playing football
31. We started watching TV two hours ago.
=> We’ve watched Tv for two hours
32. We do not study as well as they do.
=> They study better than us
33. She took me to the cinema yesterday.
=> I was taken to the cinema yesterday.
34. When did you work for that company?
=> How long have you worked for that company?
35. They invited everyone to the meeting
=> Everyone was invited to the meeting
36.Cars cause pollution but people still want them.
=> Although Cars cause pollution ,people still want them.
37. But for your help I couldn’t do that.
=> If . it hadn't been for your help, I couldn’t do that.
38. Gary danced so badly that people stopped to watch him.
=> Gary was such a bad dancer that people stopped to watch him.
39. He succeeded in his life although he came a poor family.
=> Despite coming a poor family,He succeeded in his life
40. Though it was raining hard, they insisted on leaving.
=> In spite of raining hard, they insisted on leaving.
Viết lại câu không thau đổi nghĩa
1. He began to give up smoking last year.
-> he has given up smoking since last year
2. They began to Hue in Ho Chỉ Minh City in 2000.
->they have been to Hue in Ho Chỉ Minh City since 2000
3.He started to leam how to plạy the piano in 2005,
->He has learnt how to plạy the piano since 2005
4. When did you start learning English?
->How long have you learnt E ?
5. How long bave you learnt English? ,
->When did you start learning English
6. When dịd you first know Mrayam?
->How long is it since you first knew Mrayam?
7. When did people first use the telephone?
->How long is it since people first used the telephone?
8. When did you start saving money?
->How long have you saved money ?
9. The last time I wrote to hẹr was two years ago.
->I haven"t written to her for two years
10. I hasn't rained for two months.
->The last time it rained was two months ago
11.I last talked to her in 2004.
->l haven't talked to her since 2004
12.It has been a long time since Lan left her school.
-> Lan has left her school for a long time
13. He hasn"t Written to me for two months,
->it has been two months since he wrote to me
14, She last heard that song three years ago.
->It's three years since I last heard that song
15.. It's two yesrs since I saw hẹr.
-> I haven't seen her for two years
16. It's ten years since Nam stopped playing the piano.
->Mary hasn't played the piano for ten years
17. Mary was last seen 20 minutes ago.
->Mary hasn't seen for 20 minutes
18.The last time I saw David was in 1995
->I haven't seen David since 1995
19.We haven't been to a concert for over a year.
->The last time we were to a concert was over a year ago
20.Your birthday party was the last time I really enjoyed myself
->I haven't enjoyed myself since your birthday party
3.It's nearly 20 years since my father saw his brother.
->My father hasn't seen his brother for nearly 20 years
4.Tom went to Scotland last Friday and is still there.
->Tom has gone to Scotland since Friday and is still there.
5.When did you last ride a bike?
->How long is it since you last rode a bike?
6.The last time I went swimming was when I was in France
->I haven't gone swimming since I was in France
7.You haven't tidied up this room for weeks.
->It's weeks since you tidied up this room
8.He was last in touch with me there weeks ago.
-> He hasn't touched with me for three weeks
9.Mr John hasn't visited France since 1990
The last time Mr John visited France was in 1990
#Yumi
57. Did you enjoy yourself last night? (time)
did you have a good time last night?
58. ldon‘t want to go to the party tonight > I don' t feel like. ..going to the party tonight......
59. She can' t have more children because of her age. > She is too .....old to have more children......
60. He lost his money simply because he wasn' t careful > If .....he had been careful, he wouldn't have lost his money simply.......
61 Tom and Mary moved to Paris 20 years ago. >lt is.....20 years since tom and mary moved........ ............
62. I haven’t seen so much rain for along time. ==> It....is a long time since I saw so much rain......
64. It is high time for US to go home => It is high time we .......went home..... .....
65. You can’t go in to this restaurant without a jacket and tie. =>Unless ...you have a jacket and tie, you can't go into this restaurant ...
66. The question was so difficult that no one could answer it. ==> It was such ...the difficult question that no one could answer it......
67 She hasn’ t finished the letter yet. => This letter ...hasn't been finished yet...
68. He isn't good at English. He can' t get a job. => If. ......he were good at english, he could get a job...............
69 Mary doesn't spend much money. She spent much money last month => Mary doesn' t....spend as much money this year as she did last month.....
70. The weather isn't t fine We can ’t go for a walk in the woods. => If ........the weather was fine, we could go for a walk in the woods............ ..
71. I' ll ask someone to make a new dress. --> I'll have ......a new dress made..........
72. The bridge might be built in a hurry.=>. People ....... . ..........might build the bridge in a hurry..... ................. . .....
73. You really should be able to dress yourself by now.=> It’s high time ....you dressed yourdress....
74. i wish i hadn’t told him what we were planning to do that evening.=> I regret ...telling him what we were planning to do that evening. ....
75. I have never eaten with knives and folks before. => This is ....the first time i have eaten with knives and folks....
76. “Why don’t you ask Tom for help, Mary?” Ba said.=> Ba suggested..mary should ask tom for help...
77.Ba is too young to see horror films.=> Ba is not.....old enough to see horror films............
79. They once started these machines by hand. => They used to ..these machines by hand ..
80. He works hard and he will pass the exam. => If he...didn't work hard, he wouldn't pass the exam......
57. Did you enjoy yourself last night? (time)
=> Did you have a got time last night
58. ldon‘t want to go to the party tonight > I don' t feel like. ..going to the party tonight......
59. She can' t have more children because of her age. > She is too .old to have more children..........
60. He lost his money simply because he wasn' t careful > If ....he had been careful, he wouldn't have lost his money simply ....
61 Tom and Mary moved to Paris 20 years ago. >lt is..20 years since Tom and Mary moved to Paris....
62. I haven’t seen so much rain for along time. ==> It..a long time since I last saw so much rain........
64. It is high time for US to go home => It is high time we ..went home ....
65. You can’t go in to this restaurant without a jacket and tie. =>Unless ..you have a jacket and tie, you can't go into this restaurent....
66. The question was so difficult that no one could answer it. ==> It was such ..a difficult question that no one could answer it .......
67 She hasn’ t finished the letter yet. => This letter hasn't been finished by him yet ......
68. He isn't good at English. He can' t get a job. => If. ..he were good at English, he could get a job .....
69 Mary doesn't spend much money. She spent much money last month => Mary doesn' t.spend as much money this month as she did last month ........
70. The weather isn't t fine We can ’t go for a walk in the woods. => If .the weather fines, we will go for a walk in the woods........
72. The bridge might be built in a hurry.=>. People ..said that they might built the bridge in a hurry..
74. i wish i hadn’t told him what we were planning to do that evening.=> I regret ...telling him what we were planning to do that evening....
75. I have never eaten with knives and folks before. => This is the first time I have ever eaten with knives and folks........
77.Ba is too young to see horror films.=> Ba is not.old enough to see horror films ..........
79. They once started these machines by hand. => They used to .start these machines by hand . ..
80. He works hard and he will pass the exam. => If he.workes hard, he will pass the exam......
Còn vài câu mk chưa làm đc bn thông cảm nha!!!! 
9. Mai is sick because she didn't follow the doctor's orders.
—>If Mai had followed the doctor's orders,she wouldn't be sick
10. He is tired this morning because he didn't go to bed early last night.
—>lf he had gone to bed early last night,he wouldn't be tired this morning
11. They don't behave themselves so their parenfs are not happy about that.
—>If they behaved themselves,their parents would be happy about that.
12. She didn't say sorry so he was angtry.
-->If she had said sorry,he wouldn't have been angry
13. I am not a 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.
14.It rained last night so I didn't go to the barbecue.
.—> If it hadn't rained last night,i would have gone to the barbecue
15. My parents do not allow me to go, so If have to stay at home.
— lf my parents allowed me to go,i wouldn't have to stay at home
16. She doesn't pay attention to her cooking so the food is horrible.
—>lf she paid attention to her cooking,the food wouldn't be horrible.
17. The weather was very nice so we didn't go camping.
—> If the weather had been very nice,we would have gone camping
18. The computer broke down and I had fo stop my work
—> If the computer hadn't broken down,i wouldn't have to stop my work
19. She loves him so she forgives hìm easily.
--> If she didn't love him,she wouldn't forgive him easily.
20. He was angry so I didn;t say anything.
--> If he hadn't been angry ,i would have said anything
EX 3: Conditional Sentence Type I OR type II:
1/My brother will have enough money. He will buy a bicycle.
—If my brother has enough money,He will buy a bicycle.
2/I'll buy a new hat. I'll give it to you.
—If i buy a new hat,I'll give it to you.
3/ You”ll ask the teacher. He'll explain the lesson to you.
—>If you ask the teacher,he 'll explain the lesson to you.
4, I don't have enough money. I can'n go on a long holiday this year.
--> If i had enough money,i could go on a long holiday this year.
5/ I don't have a typewriter. I can't type it myself.
> If I had a a typewriter, I could type it myself.
6.I don't live in a big city, so I can't go to the cinema very often.
>If I lived in a big city, I could go to the cinema very often.
7. Lan doesn't have a bike, she walks to school.
>If Lan had a bike, she wouldn't walk to school.
8. I'm not a doctor , so I can't help you
>If I were a doctor, I could help you.
9 They do not understand you because you do not often talk to them.
>If you often talked to them, they would understand you.
10. I'm so busy , so I don't write to my friends regularly.
>If I weren't so busy, I would write to my friends regularly.
11. People don't trust him because he tells lies.
> If he didn't tell lies, people would trust him.
12. She is so busy that she can't come to the party.
> If she weren't so busy, she could come to the party.
13. I don't have the money , so I can't go on holiday.
> If I had the money, I could go on holiday.
14. He gets bad marks because he is lazy.
> If he weren't lazy, he wouldn't get bad marks.
15. 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.
16. Hurry up , or we will be late for the exam.
>If we don't hurry up, we will be late for the exam.
17. Be quiet , or you will not understand the lesson.
>If you aren't quiet, you will not understand the lesson.
18. The office may be closed , so Mark won't be able to get in.
> If the office is closed, Mark won't be able to get in.
19. You can't look the word up because you haven't got a dictionary
>If you had got a dictionary, you could look the word up.
Viết lại câu sao cho nghĩa không đổi :
1. It was careless of you to leave the window open last night
-> You should ........have left the windows open last night.......
2. All that trouble I went to wasn't neccesary in the end
-> I needn't.......have gone to all that troube.......
3. I'm sure it wasn't Mr.Pike you saw because he is in Bristol
-> It can't ......be Mr.Pike you saw because he is in Bristol.......
4. I'm sure Jack did not break your glasses on purpose
-> Jack must ........have broken your glasses accidently. ........
5. I'm sure it was Tom who made all this mess
-> All this mess..........must have been made by Tom ......
6. You are not allowed to leave until you have finished your work
-> You can ...............
7. I wasn't in the office yesterday, so you must have spoken to my assistant
-> It must .......be in the office yesterday so it must have been my assistant that you spoke to................
8. I'm sure that she didn't steal the necklace
-> She can't ..........have stolen the necklace.........
9. The thief ran right past you so you must have seen his face
-> You must ....... have seen the thief's face............
Viết lại câu sao cho nghĩa không đổi :
1. It was careless of you to leave the window open last night
-> You should .......not have left the window open last night........
2. All that trouble I went to wasn't neccesary in the end
-> I needn't.......have gone to all that trouble.......
3. I'm sure it wasn't Mr.Pike you saw because he is in Bristol
-> It can't ......have been Mr. Pike you saw because he is in Bristol.......
4. I'm sure Jack did not break your glasses on purpose
-> Jack must .......not have broken your glasses on purpose.........
5. I'm sure it was Tom who made all this mess
-> All this mess........must have been made by Tom.........
6. You are not allowed to leave until you have finished your work
-> You can ........not leave until you have finished your work.......
7. I wasn't in the office yesterday, so you must have spoken to my assistant
-> It must ...........have been you who spoke to my assistant...........
8. I'm sure that she didn't steal the necklace
-> She can't ........have stolen the necklace..........
9. The thief ran right past you so you must have seen his face
-> You must .........have seen the thief's face because he ran right past you..........
I/ Hoàn thành câu thứ hai để nó có nghĩa tương tự câu thứ nhất
1/ It was raining heavily. However, the children went on playing
football.
=>Although it was raining heavily, the children went on playing football.
2/They have built a new mall here
=> A new mall has been built here.
3/ She is not on board now , so she can not experience these marvelous things
=> If she weren't on board now, she could experience these marvelous things.
4/ The last time I saw peter was 3 years ago
=> I haven't seen Peter for 3 years
2. A new mall has been built here by they
3.If she didn't on board now, she wouldn't experience these marvelous things
4.I haven't seen Peter for 3 years