Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
1 haven't seen/left
2 has worked
3 was built
4 Have...eaten
![](https://rs.olm.vn/images/avt/0.png?1311)
Past simple => Present perfect
1/ The students began doing this test an hour
=>The students have done this test for an hour
2/Lan started working in that factory two years ago
=>Lan has workedin that factory for two years
3/She began studying english 3 yaers ago
=>She has studied english for 3 yaers
4/Tom began to collect stamps in 2004
=>Tom has collected stamps since 2004
5/She began to study english 3 years ago
=>She has studied english for 3 years
6/Nam started working for that company four years ago
=>Nam has worked for that company for four years
7/ It started raining an hour ago
=>It has rained for an hour
8/Lan began learning chinese in 2006
=>Lan has learnt chinese since 2006
9/Minh started to swim fuve years ago
=>Minh has swum for fuve years
10/He began writing the report at 4 o'clock
=>He has written the report since 4 o'clock
![](https://rs.olm.vn/images/avt/0.png?1311)
1. We have lived here for fifteen years.
2. She hasn’t visited me for five months.
3. I haven’t written for my uncle since June.
4. He went out so as to buy some stamps.
5. Minh has collected stamps since 2000.
6. I haven’t spoken to her for three years.
7. The Statue of Liberty was presented to the United States by France in 1876.
8. The house belonging to my aunt is built of wood.
9. The telephone was invented by Alexander Graham Bell.
10. How about eating inside the center, at the cafe’s corner?
11. Do you mind if I turn on the television?
12. The front yard isn’t big enough to play soccer in.
13. You don’t need to set off early.
14. I used to have a cat.
15. It’s very important to keep the environment clean.
16. The time machine will be shown to the public when it is finished.
17. People recycle old car tires to make shoes and sandals.
18. I’m very sad not to have accepted in that group.
19. Do you mind helping me to put the chairs away?
20. It is very interesting to have a vacation abroad.
21. The water was not warm enough for the children to swim in.
22. It takes him two hours to read books.
![](https://rs.olm.vn/images/avt/0.png?1311)
1 I started doing homework two hours ago. -> I have been doing my homework for two hours.
2 I started working in this company five years ago. -> I have worked in this company for five years.
3 She started writing this novel 3 months ago. -> She has written this norvel for 3 months.
4 Lan began playing the piano ten years ago. -> Lan has played the piano for ten years.
5 They started learning English 2 weeks ago. -> They have learnt English for 2 weeks.
6 My sister began teaching English 20 years ago. -> My sister has taught English for 20 years.
7 .It began raining half an hour ago. -> It has rained for half an hour.
8 They began building this house one month ago. -> They have built this house for one month.
9 He started having his breakfast 1 hour ago. -> He has had his break fast for 1 hour.
10 Mr. Ba began talking to our teacher an hour ago. -> Mr. Ba has talked to ourr teacher for 2 hours.
1. I have been doing HW for 2 hours.
2. I have worked in this company for 5 years.
3. She has been writing this novel for 3 months.
4. Lan has been playing the piano 10 years ago.
5. They have been learning English for 2 weeks.
6. My sister has been teaching English fo 20 years.
7. It has been raining for half an hour.
8. They have been building this house for 1 month.
9. He has been having breakfast for 1 hour.
10. Mr Ba has been talking to our teacher for an hour.
![](https://rs.olm.vn/images/avt/0.png?1311)
Chuyển từ câu bị động thành câu chủ động
1.Tuan had đó housework himself
-> Housework had been done by Tuan.
2 .She had built this house for ten years
-> This house had been built (by her) for ten years.
3. My had worked in this factory fine years ago
-> This factory was worked by my dad five years ago.
4. I am going to visit Ha Long Bay this summer vacation
-> Ha Long Bay is going to visited (by me) this summer vacation.
5. My mother used to cook dinner for my family
-> Dinner used to be cooked for my family by my mother.
6. Mary and Nga will have a meeting this evening
-> A meeting will be had by Mary and Nga this evening.
7. I often collect garbager in the school yard
-> Garbage is often collected in the school yard (by me).
8. He can drive a car fastly
-> A car can be driven fastly (by him).
![](https://rs.olm.vn/images/avt/0.png?1311)
1.We often made mistake last year.
We used……to make mistake last year………………………….
2. He began to work in this factory 3 years ago.
He has……worked in this factory for 3 years………
3.This coat isn’t warm. I don’t wear it in winter.
This coat……isn't warm....enough……for me to wear in winter…..
4.She is beautiful and intelligent. She can become Miss World.
She is……beautiful and intelligent…enough……to become Miss World……..
5. My brother usually got up late when she was young.
My brother used ……to get up late when she was young.….. .
7. Playing this game is very dangerous.
It’s …very dangerous to play this game… .
8. It is good for you to revise five new words every day.
You should …revise five new words every day.…….
9. Minh really loves to hang out with friends.
Minh really enjoys ……hanging out with friends.…….
10. He doesn’t like getting up early on cold days.
-> He hates ……getting up early on cold days....
1.We often made mistake last year.
We used to made mistake last year
2. He began to work in this factory 3 years ago.
He has begun to work in this factory for 3 years
3.This coat isn’t warm. I don’t wear it in winter.
This coat isn't warm enough to wear it in winter
4.She is beautiful and intelligent. She can become Miss World.
She is beautiful and intelligent enough to become Miss World.
5. My brother usually got up late when she was young.
My brother used get up late when he was young
7. Playing this game is very dangerous.
It’s dangerous to play this game .
8. It is good for you to revise five new words every day.
You should revise five new words every day
9. Minh really loves to hang out with friends.
Minh really enjoys hanging out with friends
10. He doesn’t like getting up early on cold days.
-> He hates getting up early on cold days
She has worked in this factory for 10 years