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Unless we plant more trees, the air will be polluted
Richard is a very good cook
It is interesting to go swimming in the summer
1, My brother can run very fast
\(\Rightarrow\) My brother is a fast runner
2, Unless we protect the envioment, we will destroy ourselves
\(\Rightarrow\) If we don't protect the envioment, we will destroy ourselves
3, Unless she is more hard-working, she will get low marks
\(\Rightarrow\) If she isn't more hard-working, she will get low marks
4, Unless he listens to his parents,he will fail
\(\Rightarrow\) If he doesn't listen to his parents, he will fail
5, They began watching the movie one hour ago
\(\Rightarrow\) They have watched the movie for an hour
6, He last cried ten years ago
\(\Rightarrow\) He has not cried since ten years ago
7, They've lived here for six years
\(\Rightarrow\) They moved to here six years ago
8, I've never read a more romatic story
\(\Rightarrow\) It's the most romantic story I have ever read
9, No one works harder than Barbara
\(\Rightarrow\) Barbara is the hardest worker
10, I haven't met him for two years
\(\Rightarrow\) It's two years since I last met him
11, Richard can cook very well
\(\Rightarrow\) Richard is a good cook
12, Peter spent three hours repainting his house
\(\Rightarrow\) It took Peter 3 hours to repair his house.
VII. Complete the second sentences so that it has a similer meaning to the first:
1. ''Can you lend me some money?'' Henry said to Susan.
Henry....asked Susan if he could lend him some money.........
2. Both of the chairs are uncomfortable.
Neither of the chairs are comfortable........
3. They will have to change the date of the meeting again.
The date...of the meeting will have to be changed again........
4. Peter spent three hours repainting his house.
It......took Peter three hours to repaint his house......
5. They've lived here for six years.
They moved....six years ago ......
6. I've never read a more romatic story.
It's the.....most romatic story I have ever read .......
7. Noone works harder than Barbara.
Barbara......works the hardest.........
8. I haven't met him for two years.
It's...two years I haven't met him........
9. Richard can cook very well.
Richard is a...good cook........
10. The film's ending is dramatic.
The film...ends dramatically.......
Tick cho me
VII. Complete the second sentences so that it has a similer meaning to the first:
1. ''Can you lend me some money?'' Henry said to Susan.
Henry..........asked me if I could lend him some money..................
2. Both of the chairs are uncomfortable.
Neither of.........the chairs are comfortable.................
3. They will have to change the date of the meeting again.
The date...........of the meeting will have to be changed again......................
4. Peter spent three hours repainting his house.
It........took Peter three hours to repain is house................
5. They've lived here for six years.
They moved......here six years ago.........
6. I've never read a more romatic story.
It's the............the most romantic novel I have ever read...........
7. Noone works harder than Barbara.
Barbara.......works the hardest.......
8. I haven't met him for two years.
It's.................two years I haven't met him..............
9. Richard can cook very well.
Richard is a...............good cook...................
10. The film's ending is dramatic.
The film........ends dramatically.................
1. She cleaned the house. Then she went to the market.
=> She went ………………to the market after she had cleaned the house ………………………………………………………………
2. Richard can cook very well.
=> Richard is a ……………good cook………………………………………………………………
3. Mr. Nam is the owner of this house.
=> This house ……………belongs to Mr Nam………………………………………………………………
4. How much are these shoes?
=> How ……much do these shoes cost………………………………………………………………………………
5. Our resources of energy will soon end unless we try to save it.
=> If ……we don't try to save our resources of energy, they will soon end………………………………………………………………………………….
6. How heavy is your brother?
=> What ……is the weight of your brother………………………………………………………………………………
7. Doing exercises every morning is good for us.
=> It ……is good for us to do exercises everymorning………………………………………………………………………………….
8. He often flies to London.
=> He often goes .………………to London by plane…………………………………………………………
9. I have a brother and two sisters.
=> I have three……brother and sister……………………………………………………………………….
10. Phong was sleepy, but he still stayed up late to watch the end of the game on TV.
=> Although Phong was sleepy, he still stayed up late to watch the end of the game on TV. ………………………………………………………………………………
1. She went to the market after she had cleaned the house.
2. Richard is a good cook.
3. This house belongs to Mr Nam.
4. How much do these shoes cost.
5. If we don't try to save our resources of energy, they will soon end.
6. What is the weight of your brother.
7. It is good for us to do exercises everymorning.
8. He often goes to London by plane.
9. I have three brother and sister.
10. Although Phong was sleepy, he still stayed up late to watch the end of the game on TV.
1.They last talked to each other two months ago. ---> They haven't talked to each other for two months.
2.The last time she saw her elder sister was in 1999. --->She hasn't seen her elder sister since 1999.
3.She hasn't written to me for years.---> It's years since she wrote to me.
4.Robert and Catherine have been married for ten years.--->It's ten years Robert and Catherine married.
5.It's two weeks since they deaned their room.----->They haven't cleaned their room for two weeks.
6.It's over six months since John had his hair cut.---->John has had his hair cut for over six months.
7.how long is it since he wrote to you?--->When was the last time he wrote to you?
8.I last had my hair cut when I left her.--->I haven't had a new hair cut since I left her.
9.The last time she kissed me was 5 months ago.--->She hasn't kissed me for 5 months.
10.It is a long time since we last met.--->We haven't met for a long time.
11.I haven't seen him for 8 days.-->The last time I saw him was 8 days ago.
12.I haven't taken a bath since Monday.-->It is last Monday since I took a bath.
13.It's 2 years since i had a punture.--->I have had a punture for 2 years.
14.It's 2 months since he earned any money.--->He has earned any money for two months.
1 , They haven't talked to each other for two months
2, she hasn't seen her elder sister since 1999
3,It's years since she wrote to me
4,It's ten years Robberts and Cathetine married
5, They haven't cleaned their room for two weeks
Chúc bạn học tốt 
Ex1 viết lại câu sao cho nghĩa không thay đổi
1.This last time she came black to her hometown was 4 years ago
=>she hasn`t....come back to her hometown for 4 years.................................................................................
2.He stared working as a bank clerk 3 months ago.
=>he has....worked as a bank clerk for 3 months.....................................................................................
3.It has been 5 years since we first flew to Singapore.
=>we have.......flown to Singapore for 5 years............................................................................
4. I last had my hair cut in November.
=>I haven`t cut my hair since November
5.The last time we called each other was 5 months ago
=>We haven`t called each other for 5 months
6.It is a long time since we last met
=>We haven`t met for a long time
7 .when did you have it?
=>How long have you had it ?
8.This is the fist time I had such a delicious meal
=>I haven`t had such a delicious meal before
9.I haven`t seen him for 8 days
=>The last time i last saw him was 8 days ago
10.To day is Saturday.I haven`t taken a bath since Wednesday.
=>It is Wednesday since i last took a bath
=>Bn này ở bẩn quá .ĐỌc c10
1.This last time she came black to her hometown was 4 years ago
=>she hasn`t....come back to her hometown for 4 years.................................................................................
2.He stared working as a bank clerk 3 months ago.
=>he has....worked as a bank clerk for 3 months.....................................................................................
3.It has been 5 years since we first flew to Singapore.
=>we have.......flown to Singapore for 5 years............................................................................
4. I last had my hair cut in November.
=>I haven`t cut my hair since November
5.The last time we called each other was 5 months ago
=>We haven`t called each other for 5 months
6.It is a long time since we last met
=>We haven`t met for a long time
7 .when did you have it?
=>How long have you had it ?
8.This is the fist time I had such a delicious meal
=>I haven`t had such a delicious meal before
9.I haven`t seen him for 8 days
=>The last time i last saw him was 8 days ago
10.To day is Saturday.I haven`t taken a bath since Wednesday.
=>It is Wednesday since i last took a bath
Richard is a good cook
The last time I saw him was 5 months ago