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1. 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....
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 he doesn't enjoy the party.
=>if.....she weren't shy , he enjoyed the party.......
1.You................... forget to post the letter, did you?
D. couldn't C. didn't A. did B. could
2.i haven't seen you Intely. We..... three months ago
B.met last A. last meet D have last met C.last met
3. The bus collected us ...........5 o' clock early.............the morning.
A.at/ on B, at /at C. from/ to D.at/in
4. I can't stop............. chocolate, I.............. addicted to it since i was 4 years old
A. eating / was C.eating /have been B. to eat / was D. to eat /have
5. Since Van arrived, he has been able to learn.......... about life on a farm.
C. a lot of D. lot of A. lots of B. a lot
6. There wasn't much rain last year............ the crops weren't very good.
C. so A. because B. so that D. so as
7. Neither Lan nor her friends ................going to class today
A. is C. wasn't B. are D. weren't
8. I learned to drive...................1990..............the age of 17.
C. since/with A. since /as B. in /at D. in/ with
9.the restaurant has the.........................for serving some of the finest food
A.knowledge B sound C. reputation D.information
10.He has so .................money that he can't afford to buy food.
A. few B. many D. much C. little
11.i wonder..............
A. why he doesn't love his family. B. why doesn't he love his family. C. why does he love his family. D. why he loves his family?
1 2. They asked me.................i had seen Dr. Clark the day before.
A. that C. whether B. if D. Both B &C
Rewrite the following sentences beginning the words given
1. Mr. Long doesn't have a car so he goes to work by bus
If....Mr.Long had a car, he wouldn't go to work by bus......
2. I'm not a billionaire, so I can't travel around the world
If....I were a billionare, I could travel around the world......
3. We can't get the ticket because I don't have the right change
If....we had the right change, we could get the ticket.......
4. 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.......
5. She is lazy so she can't pass the exam
If......she weren't lazy, she could pass the exam.....
6. 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.......
7. She is very shy, so she doesn't enjoy the party
If.....she weren't very shy, she would enjoy the party......
1.How long is it since you saw Tom?
When........did you see tom?.............
2. He can't pass the examination.
He wishes.....he could pass the examination...........
3. We can't go out because of heavy rain.
They wish.....it didn't rain heavily .........
4. They often go to Vung Tau at the weekends.
They used.....to go to Vung Tau at the weekends..........
5. How long have you learnt French?
How long ago......did you learn french?.......
6. My father started to give up smoking last year.
My father......has given up smoking since last year...........
7. They have worked in that factory since 2001.
They started......working in that factory in 2001.....
8. I haven't seen her for a long time.
I didn't.....see her a long time ago ..............
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!!!! 
Make the conditional sentences facts:
1. I don't understand you. You speak very quickly.
=>if you didn't speak very quickly ,i would understand you
2. He is absent now. He doesn't know what to do.
=>if he weren't absent now,he would know what to do
3. It is rainy now, so we can't finish our work.
=>If it weren't rainy now,we could finish our work
4. We can't buy this car because it is very expensive.
=>If this car weren't very expensive ,we could buy it
5. The house is so large that they can't paint it in a week.
=>If the house weren't so large ,they could paint it in a week
6. I want to meet Alice but I don't have her address.
=>If i had Alice's address,i would meet her
7. I can't do this test because it is very difficult
=>if this test weren't very difficult,i could do it
8. This shirt is too small for me to wear
=>If this shirt weren't too small,i could wear it
9. She doesn't have a bicycle, so she can't go on a camping trip with you.
=>If she had a bicycle ,she could go on camping trip with you
10. They don't take a map, so they will lose their way.\
=>If they took a map,they wouldn't lose their way
1 They have found oil in the Antarctic
=> Oil has been found in the Antarctica
2 He can't swim as well as his friends
=> He wishes he could swim as well as his friends
3 I haven't seen her at this club before
=> This is the first time I have seen her at this club
4 If he doesn't speak Japanese well , he can't get the post
=> Unless he speaks Japanese well , he can't get the post
5 He hasn't smoked for three years
=> He stopped smoking three years ago
6 He left school because of his hard life
=> Because his life was hard, he left school
1 They have found oil in the Antarctic
=> Oil had found in the Antarctica
2 He can't swim as well as his friends
=> He wishes he could swim as well as his friends
3 I haven't seen her at this club before
=> This is the first time i have seen her at this club
4 If he doesn't speak Japanese well , he can't get the post
=> Unless he speaks Japanese well , he can't get the post
5 He hasn't smoked for three years
=> He stopped smoking three years ago
6 He left school because of his hard life
=> Because his life was hard, He left school
Combine each pair of the sentences use''who,which and whom''
1 where are the pictures?They were on this wall
-> Where are the pictures which were on this wall ?
2.My father is the person.He has great influence on my behavior
-> My father is the person who has great influence on my behavior
3. Do you like the flows?I bought them this morning
-> Do you like the flows which I bought this morning ?
4.All of use are intersted in the man.He 's teaching us P.E
-> All of use are intersted in the man who is teaching us P.E
5.what's the name of the girl?She lent you this book
-> What's the name of the girl who lent you this book ?
6.I don't know the man.He wrote lots of good books
-> I don't know the man who wrote lots of good books
7.the girl will leave me the message. She has worked here for five days
-> The girl will leave me the message which she has worked for five days
8.All the man attend my meeting. they are businessmen
-> All the man who attend my meeting are businessmen
9. do you know the lady? she is presenting her topic
-> Do you know the lady who is presenting her topic ?
10. i haven't read the novel. it was written by Nam Cao
-> I haven't read the novel which was written by Nam Cao
11. the girl will come here tomorrow. she was recommended by my boss
-> The girl who was recommended by my boss will come here tomorrow
12.the exercise are very difficult. You asked me to do them
-> The exercise which you asked me to do are very difficult
13. i won't buy the house. You introduced it to me last night
-> I won't buy the house which you introduced to me last night
14.i am willing to help the woman. She is too poor to feed her family
-> I am willing to help the woman who is too poor to feed her family
15. i enjoyed the party. it was interesting
-> I enjoyed the party which was interesting
16. they are repairing the roof . it was damaged by the storm last night
-> They are repairing the roof which was damaged by the storm last night
17. the man is being questioned . he broke into my house
-> The man who broke into my house is being questioned
18. i haven't seen the teacher. she moved to HCM two years ago
-> I haven't seen the teacher who moved to HCM two years ago
19.this is the nurse. i am speaking to you about her
-> This is the nurse whom i am speaking to you
20. i met the man. he comes from england
-> I met the man who comes from england
1)It's three years since I last spoke to her.
-> I haven't spoken to her for three years.
2)We were late for school because of the heavy rain.
-> Because it rained heavily, we were late for school.
3)''Would you like to go to the movies with me tonight?'' he said to me.
-> He invited me to go to the movie with him that night.
4)I don'tchave much free time, so I can't visit you more often.
-> If I had much free time, I could visit you more often.
5)People make wine from grapes.
-> Wine is made from grapes.
38 Do you know the student whose name I can't remember?
-Đại từ quan hệ "Whose" thay thế cho tính từ sở hữu.
-Whose + N
39 If he didn't smoke too much, he could get rid of his cough.
-Câu điều kiện loại 2 diễn tả điều không thể xảy ra ở hiện tại hoặc tương lai: If+S+V(quá khứ đơn), S+would/could+V(infinitive)+.....
40 The last time they saw her friends was when they graduated from high school.
-S+has/have+not+PII+since+mốc thời gian
= The last time + S+ V(Quá khứ đơn)+was+when+Mốc thời gian
= S+ last+ V(quá khứ đơn)+when+mốc thời gian
-S+Has/have+not+PII+for+khoảng thời gian
= The last time + S+ V(quá khứ đơn)+was+khoảng thời gian + ago
= S+last+V(quá khứ đơn)+khoảng thời gian + ago