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1.I am very tired so I can't concentrate properly
-] If.....I weren't tired, I could concentrate properly
2.Fail to pay and they will cut off the electricity
-] If.....you fail to pay, they will cut off the electricity
3.She is very busy so she can't go out tonight
-] If.....she weren't busy, she could go out tonight
4.I don't know anything about her back ground , so I can't tell you
-] If....I knew something about her back ground , I could tell you
5.Don't touch that wire or you may get an electric shock
-] If...you touch that wire, you may get an electric shock
6.If it doesn't rain soon , the crops will be lost
-] Unless.....it rains soon, the crops will be lost
7. He doesn't give you good advice because he isn't your true friend
-] If.....he were your true friend, he would give you good advice
8.We come late because the rain is so heavy
-] If....the rain weren't heavy, we wouldn't come late
9.You don't get better marks because you don't study harder
-] If.....you studied harder, you would get better marks
10.She's so shy , that why she doesn't have many friend
-] If....she weren't shy, she would have many friends
11.Alice may miss the train . But the can get the next one
-] If.....Aice misses the train, she can get the next one

1. If I don't have enough money, I can't go on a long holiday this year.
2. If I don't have a typewriter, I can't type in myself.
3. If I don't live in a big city, I can't go to the cinema very often.
4. If Lan doesn't have a bike, she will walk to school.
5.If my brother doesn't have enough money, he won't buy that car.
6. If it rains, we won't go out because its rains
7. If I don't know his adress, I can't contact him
8. If it's too cold, we can't go swimming.
9. If the exercises are very difficult, I can't finish in fifteen minutes.
10. If she is busy, she can't go to the meeting.
11. If I don't meet her, I won't give her your letter.
12. If They are too slow, they can't win the match.
13. If she is too weak, she can't take any exercises.
14. If he doesn't speak clearly, people won't understand him.

use IF
1. That car is too epensive, so I'm not going to buy it.
i would buy that car if it wasn't too expensive
2. We don't go shopping very often because we can't afford it.
We'd go shopping more often if we could afford it.
3. They don't understand the problem. They won't find a solution
if they understood the problem, They would find a solution
4. I can't phone you because I don't know your telephone number.
if I knew your telephone number, I could phone you
5. It's raining heavily, so I can't see her on time
if it wasn't raining heavily, I could see her on time

1. They often go swimming on Sundays. They have much free time then.
-> They often go swimming on Sundays when they have much free time.
2. "Thank you very much for helping me with these assignments," Tom said to me
-> Tom thanked me for helping her with those assignments.
3. How often does the mechanic service your car?
-> How often do you have your car serviced by the mechanic?

REWRITE SENTENCES :
1. We don't visit our parents very often because they live so far away
-> If ___they didn't live so far away, we would visit our parents very often ____
2. Michael ignores Lucy, so she gets angry at him
-> If __Michael didn't ignore Lucy, she wouldn't get angry at him____
3. Unless we reduce the use of water and electricity, we will have to pay more this month
-> If ___we don't reduce the use of water and electricity, we will have to pay more this month__
4. Walking home alone is not a good idea
-> You should't ___walk home alone__
5. We get up late in the morning so we don't have time to have breakfast
-> If ___we got up late in the morning ,we would have time to have breakfast__
6. If she didn't take morning exercises, she would be weak
-> Unless __she took morning exercises, she would be weak___
7. They will kill him if he doesn't tell them the truth
-> Unless __he tells them the truth, they will kill him_
8. They are too slow so they can't win the match
-> If _they weren't too slow, they could win the match____
9. She is too old to apply for the job
-> If ___she wasn't too old, she could apply for the job___
10. I am not a millionaire, so I can't buy a villa in HCM city
-> If __I was a millionaire, I could buy a villa in HCM city___
1. We don't visit our parents very often because they live so far away
-> If _our parents didn't live so far away, we would visit them very often_________
2. Michael ignores Lucy, so she gets angry at him
-> If Michael didn't ignore Lucy, she wouldn't get angry at him_________
3. Unless we reduce the use of water and electricity, we will have to pay more this month
-> If we don't reduce the use of water and electricity, we will have to pay more this month__________
4. Walking home alone is not a good idea
-> You should't _walk home alone_________
5. We get up late in the morning so we don't have time to have breakfast
-> If _we didn't get up late in the morning, we would have time to have breakfast/ If __we get up early in the morning, we would have time to have breakfast______
6. If she didn't take morning exercises, she would be weak
-> Unless __she took morning exercises, she would be weak_______
7. They will kill him if he doesn't tell them the truth
-> Unless _he tells them the truth, they will kill him________
8. They are too slow so they can't win the match
-> If __they weren't too slow, they could win the match_________
9. She is too old to apply for the job
-> If __she weren't too old, she could apply for the job__________
10. I am not a millionaire, so I can't buy a villa in HCM city
-> If __I were a millionaire, I could buy a villa in HCM city__________

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 ..............

2. we don't visit you very often because you live so far away
-> If you didn't live so far away, we would visit you very often
3. Sandra can't take a photo because she hasn't got her camera
-> If Sandra had got her camera, she could take a photo
4. She buys a lot of clothes, so she has no money
-> If she didn't buy a lot of clothes, she wouldn't have no money
5. I have to work tomorrow evening, so I can't meet you
-> If I didn't have to work tomorrow evening, I could meet you
6. It's raining, so we can't have lunch in the garden
-> If it weren't raining, we could have lunch in the garden
7. I'm often tired in the morning because i go to bed late
-> If I didn't go to bed late, I wouldn't be often tired in the morning
8. we haven't got a calculator, so we can't work this out quicker
-> If we had got a calculator, we could work this out quicker
9. nick can't find the way because he hasn't got a map
-> If Nick got a map, he could find the way
10. David has so many accidents because he's so clumsy
-> If David weren't so clumsy, he wouldn't have so many accidents
11. I don't write to my friends because i'm so busy
-> If I weren't so busy, I would write to my friends
12. Susan hasn't got a watch, so she's often late for work
-> If Susan got a watch, she wouldn't be often late for work
13. He coughs a lot of because he smokes forty cigarettes a day
-> If he didn't smoke forty cigarettes a day, he wouldn't cough a lot
14. They don't have a garden. They don't grow vegetable
-> If they had a garden, they would grow vegetable
15. I don't have a boat. I won't sail around the world
-> If I had a boat, I would sail around the world

1. Nam is so fat because he eats so much chocolates.
_If Nam didn't eat so much chocolates, he wouldn't so fat.
2. We dont go on the trip because the weather is bad.
_ If the weather wasn't bad, we could go on the trip.
3. They don't go to the concert because they have an E test.
_ If they had an E test, they couldn't go to the concert.
4. He can't have the picnic because it is raining.
_ If it rained , he wouldn't have the picnic.
5. It rained yesterday, so we didn' t play soccer.
_ If it hadn't rained yesterday, we wouldn't have played soccer.
6. He ate a lot of chocolates, so he was very fat.
_ If he hadn't eaten a lot of chocolates, he wouldn't have been very fat.
7. They got up late, so they were late for work.
_ If they hadn't gotten up late, they wouldn't have been late for work.
8. Susan felf sick because she ate four cream cakes.
_ If Susan hadn't eaten four cream cakes, Susan wouldn't have felt sick
9. You can't visit Moscow unless you get a visa.
_ If you get a visa, you could visit Moscow.
10. He doesn't get any information because he doesn't phone immediately.
_ If he phoned immediately, he would get some information.

1. It is raining heavily, so they can’t go out.
A.They wish they could go out, so it stopped raining.
B.They wish it would stop raining, so they can go out.
C.They wish it stops raining so that they could go out.
D.They wish it would stop raining so that they could go out.
2. He wishes they ____________ here to see him now.
A.are
B.can be
C.were
D.would be
3. I haven’t seen Mary ____________
A.two weeks ago
B.since two weeks
C.yesterday
D.for two weeks
4. This is the first time my sister ___________________ the traditional costume.
A.wore
B.wears
C.has worn
D. is wearing
5. My mother (teach) ______________________ English in this school since we moved here.
A.has been taught
B.has been teaching
C.taught
D.was teaching
6. My neighbors are always making a lot of noise at night. I wish they _______________ a lot of noise at night.
A.can stop making
B.stop make
C.didn’t make
D.wouldn’t make
7. They started doing their homework two hours ago.
A.They have done their homework for two hours ago.
B.They began to do their homework since two hours.
C.They have started to do their homework for two hours.
D.They have done their homework for two hours.
8. /of Hanoi/ about 40 kilometers/ is/ to the north / My home village /. /
A.To the north of Hanoi my home village is about 40 kilometers.
B.My home village is about 40 kilometers to the north of Hanoi.
C.My home village to the north of Hanoi is about 40 kilometers.
D.About 40 kilometers my home village is to the north of Hanoi.
10. Her parents greatly encouraged her to enter the contest.
A.She was greatly encouraged her parents to enter the contest.
B.She is greatly encouraged to enter the contest by her parents.
C.She was greatly encouraged to enter the contest by her parents.
D.She has been greatly encouraged to enter the contest by her parents.
11.I normally have coffee for breakfast.
A.I am used to have coffee for breakfast.
B.I am not used to have coffee for breakfast.
C.I am not used to having coffee for breakfast.
D.I am used to having coffee for breakfast.
12. / his brother / since / nearly twenty years / Mr. Brown / last saw / It’s / . //
A.It’s nearly twenty years since Mr.Brown saw his brother.
B.It’s twenty years since Mr.Brown saw his brother.
C.It’s twenty years since Mr.Brown last saw his brother.
D.It’s nearly twenty years since Mr.Brown last saw his brother.
13. /ao dai / was frequently worn / Traditionally, / by / and women / both men /. /
A.Traditionally, both men was frequently worn aodai by and women.
B.Traditionally, ao dai was frequently worn by both men and women.
C.Traditionally, aodai by both men and women was frequently worn.
D.Traditionally, both men and women was frequently worn by aodai.
14. / a long silk tunic / consists /over loose pants / the ao dai / on the sides / of / and worn / that is slit / . /
A.The ao dai worn over loose pants consists of a long silk tunic that is slit on the sides.
B.The ao dai consists of a long silk tunic that is slit on the sides and worn over loose pants.
C.The ao dai consists of loose pants that is slit on the sides and worn over a long silk tunic.
D.A long silk tunic consists of the ao dai that is slit on the sides and worn over loose pants.
15. Modern patterns have been added ________________ the Ao dai to make it more fashionable.
A.into
B.to
C.in
D.on
16. Don’t forget to add salt to the mixture . This _______________is important.
A.separation
B.compulsion
C.addition
D.atmosphere
17. Modern patterns have been added ________________ the Ao dai to make it more fashionable.
A.into
B.to
C.in
D.on
18.The unit of __________ used in Malaysia is the ringgit.
A.currency
B.money
C.bank-note
D.change
19. We should ______________ the workload among the teaching staff.
A.equalize
B.equality
C.equally
D.equal
20. It’s __________ to call anyone at night.
A.inconvenience
B.inconvenient
C.convenient
D.convenience
21. Dreams are rich source of _______________for some writers.
A.separation
B.atmosphere
C.compulsion
D.inspiration
22. We can choose basketball or swimming at school. It’s an ________ subject.
A.primary
B.compulsory
C.national
D.optional
23. My son is old enough to live _________________.
A.independent
B.independently
C.dependent
D.dependently
24. There will be a firework display on the _______________________ Day.
A.Independently
B.Independent
C.Dependence
D.Independence
25. The aodai ______________________ the grace of Vietnamese women.
A.symbolizes
B.symbolize
C.symbol
D.symbolic
They have a baby sitter, so they can go out very often.
→If they didn't have a baby sitter, they couldn't go out very often.
They have a baby sitter, so they can go out very often.
→If They didn't have a baby sitter, they couldn't go out very often.