viết lại câu bằng tuef ngữ cho trước sao cho nghĩa ko đổi :

1. We can't afford to buy the car

=> The car is too expensive for us to buy.

2. we arrived too late to see the film

=> We didn't arrive early enough to see the film.

3. how long is it since you used the car ?

=> When did you begin to use the car?

1. The car is too expensive for us to buy.

2. We didn't arrive early enough to see the film

3.When did you begin use to the car

IV.    How long +is it since+ S +Ved/ V2……?= When + did+ S + V……?

1.  How long is it since you used the car?

=> When did you use the car ?

2.  How long is it since they moved here?

=>When did they move here ?

3.  How long is it since he bought that computer?

⇒When did he buy that computer ?

4.  How      long      is      it      since      she      heard      that      news?

⇒When did she hear that news?

5.  How     long      is      it      since      they      made      these      cakes? 

⇒When did they make these cakes ?

6.  When did he last saw this film?

How long is it since he last saw this film ?

7.  When did his father watch this news?

How long is it since his father watched this news ?

8.  When did you first see her?

=>How long is it since you saw her first ?

9.  When did you first know her?

=>How long is it since you knew her first ?

10.  When did you start working in that factory?

=>How long is it since you started working in that factory? 

1.How long is it since he left school?

=>When did he leave school ?

2.We can't afford to buy this car

=>the car is too expensive for us to buy

3.We arrived too late to see the film

=>We didn't early enough to see the film

4.If you don't rest your self,you'll be ill

=>Unless you rest yourself, you will be ill

5.Nam has never spoken to a foreign before

=>It is the first time Nam has ever spoken to a foreign

6.What is the weight of your suitcase?

=>How heavy is your suitcase ?

7.My house is bigger than yours

=>Your house isn't as big as mine

8.My father cleans the car every week

=>The car is cleaned by my father every week

9."Do you know to speak E"He asked me

=>He asked me if I knew to speak English

10.Someone should do this job tomorrow

=>The job should be done tomorrow

1. How long is it since he left school?

=> When did he leave school ?

2. We can't afford to buy this car.

=> The car is too expensive for us to buy.

3. We arrived too late to see the film.

=> We didn't early enough to see the film.

4. If you don't rest your self,you'll be ill.

=> Unless you rest yourself, you will be ill.

5. Nam has never spoken to a foreign before.

=> It is the first time Nam has ever spoken to a foreign.

6. What is the weight of your suitcase?

=> How heavy is your suitcase ?

7. My house is bigger than yours.

=> Your house isn't as big as mine.

8. My father cleans the car every week.

=> The car is cleaned by my father every week.

9. "Do you know to speak English" He asked me.

=> He asked me if I knew to speak English.

10. Someone should do this job tomorrow.

=> The job should be done tomorrow.

P/s: Chúc bạn học tốt

1.When did he start leaving school?

2.The car can't be afforded to buy by them.

3.We didn't arrive early enough to see the film.

4.Unless you rest yourself, you will be ill.

5.It's the first time Nam spoke to the foreigner.

6.How heavy is your suitcase?

7.Your house isn't as big as my house.

8.The car is cleared every week by my father.

9.He asked me if I known to speak English.

10.The job should be done tomorrow by someone.

Cách chuyển đổi câu giữa thì hiện tại hoàn thành và thì quá khứ đơn (lớp 6)

1,It is two months since we last was?

2,How long ago did you start/begin to write this book?

3,When did you start/begin learning how to drive a car?

4,When did Mr.Ba start/begin buying this flat?

5,It is the first time I have ever talked to headmaster

6,When did she start/begin writing an e-mail?

7,I've never worst film before

8,Is this me go to school late?

9,It is five months since he hasn't come back to his home village

10,The last time I have ever spoken to her

ks nhé!Học tốt!:))

1. We haven't been to this restaurant for two months.

=> It is two months since I last was to this restaurant.

2. When did you begin to write this book?

=> How long have you written this book?

3. How long have you learnt how to drive a car?

=> When did you start to learn how to drive a car?

4. How long is it since Mr Ba bought this flat?

=> When did Mr Ba start to buy this flat?

5. I've never talked to the headmaster before.

=> It's the first time I have ever talked to the headmaster.

6. How long is it since she wrote an e-mail?

=> When did she start to write an e-mail?

7. That's the worst film I've ever seen.

=>I've never seen such an bad film before.

8. Have you gone to school late before?

=> Is this the first time you have gone to school late?

9. He last came back to his home village five months ago.

=> It's five months since he last came back to his home village.

10. It's three years since I last spoke to her.

=>The last time I spoke to her is three years ago.

1, Why don't you ask her yourself ?

-> I suggest him to ask her hisself.

2, How about reducing the amount of water we use everyday.

-> Why don't we reduce the amount of water we use everyday.

3, Remember to turn off the faucot carefully after using.

-> Don't forget to turn off the faucot carefully after using.

4, How long is it since her left school ?

-> When did he last leave school ?

5, We can't afford to buy the car.

-> The car is too expensive for us to buy .

6, " I can swim " She said.

-> She said that she could swim

7, " Is Big Ben in London, Hoa " Nhi said.

-> Nhi asked Hoa if Big Ben was in London .

8, The boys made a fire by their camp.

-> A fire was made by their camp by the boys

1, Why don't you ask her yourself.

-> I suggest asking her self.__________________________

2, How about reducing the amount of water we use everyday.

-> Why don't we reduce the amount of water we use everyday?_____________________________

3, Remember to turn off the faucot carefully after using.

-> Don't forget to turn off the faucet carefully after using._____________________________

4, How long is it since her left school.

-> When did she leave school?____________________________

5, We can't afford to buy the car.

-> The car is too expensive for us to buy.___________________________

6, " I can swim " She said.

-> She said _that she could swim_________________________

7, " Is Big Ben in London, Hoa " Nhi said.

-> Nhi asked Hoa if Big ben in London._________________________

8, The boys made a fire by their camp.

-> A fire was made by their camp by the boys___________________________

- :v

1.it is easy to learn drive a car

3.i am not interested in meeting him

5.she last has gone to the library for 2 weeks 

6.if she isn't here,she won't  can help me

( tớ ko chắc chắn là đúng nhưng cũng có thể đúng,hì hì >v< )

Không sao, có là được rồi, cảm ơn bạn ^^

1) Learning to drive a car is easy.
=> It is  easy to learn drive a car .

2) We have  2 breaks at school. Each break lasts 5 minutes. ( Câu này mình không chắc ) 
=> We have 10 minutes break at school. 

3) I don't meeting him. (interested)
=> I am not interested in meeting him .

4) When did you start to have this hobby ? ( Không chắc )
=> How long have you started to have this hobby.

5) She last went to the library 2 weeks ago.
=> She hasn't gone to the library for 2 weeks .

6) Mai isn't here so she can't help me. ( câu này mình không chắc nhưng câu chuyển đổi ở dưới phải là Mai nhé không phải là she )
=> If she is here , she can  will  help me  

Keeping the environment clean is very important.
-->It's ........very important to keep the environment clean........
They will show the time machine to the public when they finish it.
-->The time machine .......will be showed to the public when they finish it.......

How long is it since you used the car ?

-->When .......did you use the car.......?

We started living here fifteen years ago.
--> We have ......lived here for fifteen years......

1.It's very important to keep the enviroment clean.

2. The time machine will be shown to the public when it is finished.

3. When did you last use the car?

4. We have lived here for fifteen years.