1. My father lived in small village when he was a child.

=> My father used to live  in small village when he was a child.

2. I often walked to school when I was a student.

=> I used to walk to school when I was a student.

3. The students will use public transport .

=> Public transport will be used y the students

4. They turn off the lights when leaving a room.

=> The lights are turned off when leaving a room.

5. Wind power will offer a great deal of energy next century.

=> A great deal of energy will be offered by wind power next century.

6. They will install a network of wind turbines to generate electricity.

=> A network of wind turbines will be installed to generate electricity.

7. We live in the same street. We rarely see each other.

=> In spite of living in the same street, we rarely see each other.

8. I got very wet in the rain. I had an umbrella.

=> Although I had an umbrella, I got very wet in the rain. 

9. We will use less electricity in the future.

=> Less electricity will be used in the future.

10. People in the countryside will increase the use of biogas for cooking.

=> The use of biogas for cooking will be increased in the countryside.

1. My uncle lived in the city when she was a child

-> My uncle used to LIVE IN THE CITY

2. The last time I saw my old teacher of math was in 2000

->I haven't SEEN MY OLD TEACHER OF MATH SINCE 2000

3.You ought to go to school early

->You should GO TO SCHOOL EARLY

4.John said to me:"turn on the light,please."

-> John told me TO TURN ON THE LIGHT

5.Ba is more intelligent than Hung

->Hung isn't AS INTELLIGENT AS BA

1. My uncle lived in the city when she was a child

-> My uncle used to live in the city

2. The last time I saw my old teacher of math was in 2000

->I haven't seen my old teacher of Math since 2000

3.You ought to go to school early

->You should go to school early

4.John said to me:"turn on the light,please."

-> John told me to turn on the light

5.Ba is more intelligent than Hung

->Hung isn't as intelligent as Ba

''we started learning english for 10 years ago'' - sai r

Có ''ago'' rồi thì ko dùng ''for'' nha bn! Đổi thành ''was'' nha!

36. i haven't eaten sushi since the last summer

37. i haven't seen her since monday

38. i have collected stamp since last winter

39. i haven't watered this tree for a week

40. when have you worked as a volunteer

41. they haven't played tennis since the spring of 2012

42. we started learning english for 10 years ago

43. we haven't met for a long time

36. she was performing last night

37. didn’t use to watch horror films, but I’m into them now

38. was listening to music, my mum was preparing dinner

39. J.K. Rowling was travelling on a train, she thought of ideas for her first book

40. the lights went out, the castle concert was taking place last night

1. The last time I saw her was in 2005.                                      

® I haven't .....seen her since 2005.................................................

2. He is writing a book on biology.                                               

® A book on biology .....is being written by him..............................

3. Going swimming in the summer is interesting.               

® It .........is interesting to go swimming in the summer............................................................

4. He was punished by his mother.                                              

® His mother.............punished him.....................................

5. “Don’t play video games too much, Minh" Mr. Ha said. 

® Mr. Ha asked .......Minh not to play video games too much........................................

6. Tom is not as tall as Mary.                                                          

® Mary.....is taller than Tom..........................................................

7. How is the weather?                                                                    

   ®What’s....the weather like .........................................................

8. Please turn down the radio for me,” said my father.      

® My father asked......me to turn down the radio for him...................................

9. Many trees are cut down to make paper.                             

® They....cut down many trees to make paper............................................................

10. She cleaned the house. Then she went to the market. ®

After......cleaning the house, she went to the market..........................................................

1. My mum used to live in a small village when she was a girl. 2. There did not used to be (as) many vehicles on the roads. 3. We used to cycle to school two years ago. 4. Now there are more traffic accidents than there used to be. 5. My uncle used to be a bus driver some years ago, but now he has a desk job. 6. I used to watch cartoon on TV, but I don't anymore. 7. Did you use to go to kindergarten? 8. I used to cry a lot, but I don't anymore.

1. My mum used to live in a small village when she was a girl.

2. There did not used to be (as) many vehicles on the roads.

3. We used to cycle to school two years ago.

4. Now there are more traffic accidents than there used to be.

5. My uncle used to be a bus driver some years ago, but now he has a desk job.

6. I used to watch cartoon on TV, but I don't anymore.

7. Did you use to go to kindergarten?

8. I used to cry a lot, but I don't anymore.

1,it's three years since i lost saw nam

=> i haven't seen Nam for three years

2, the last time she visited me was five months ago

=> she hasn't visited me for five months

3, i last wrote to my cousin mai in june

=> i haven't written to my cousin Mai since June

4, it's a long time since we became close friends

=> we have became close friends for a long time

5, this is the first time he went abroad

=> he hasn't gone abroad before

6, we began eating when it started to rain

=> we have begun eating since it started to rain

7, i last had my hair out when i left her

=> i haven't had my hair out since i left her

Rewrite the following sentences unchanging the meaning:

1, It's three years since I last saw Nam.

=> I haven't seen Nam for three years.

2, The last time she visited me was five months ago.

=> She hasn't visited me for five months.

3, I last wrote to my cousin Mai in June.

=> I haven't written to my cousin Mai since June.

4, It's a long time since we became close friends.

=> We have become close friends for a long time.

5, This is the first time he went abroad.

=> He hasn't gone abroad before.

6, We began eating when it started to rain.

=> We have eaten since it started to rain.

7, I last had my hair out when I left her.

=> I haven't had my hair out since I left her.

1. A letter was sent to my friend in London last week

2. I havent seen him since I was a student

3. She reminded me not to forget to bring my passports with me when I go aboard

4. Would you mind not smoking in the ward?

5. Because he was lazy, he failed the exam

Rewrite each sentences ,beginning as shown, so that the mean stays the same

1. I sent my friend a letter in London last week

A letter was sent to my friend in London last week.

2. I last saw him when I was a student

I haven't seen him since i was a student.

3. Don't forget to bring your passport with you when you go aboard

She reminded to bring my passport with me when i went abroad

4. Smoking is not allowed in the ward

Would you mind not smoking in the ward.

5. He failed the exam because of his laziness

Because he was lazy, he failed the exam.

1. The last time we saw her was on Christmas day. 
We haven't ..........seen her since Christmas day................................................................................... 
2. I haven't eaten this kind of food before. 
This is ....the first time I have eaten this kind of food......................................................................................... 
3. It started raining an hour ago. 
It has ....rained for an hour......................................................................................... 
4. We haven't visited my grandfather for two months. 
The last time ..................we visited my grandfather 2 months ago........................................................................... 
5. I have studied English for three years. 
I began ....studying English 3 years ago......................................................................................... 
6. My brother hasn't seen his best friend for nearly five years. 
It's ..nearly 5 years since my brother saw his best friend........................................................................................... 
7. When did you start learning English? 
How long .have you started learning English............................................................................................ 

thank you