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1.How long have you played basketball ?
→ When did you start playing basketball?
2.He began learning einglish three years ago.
→He has learnt English for 3 years
3.The last time i saw him was in 2010.
→ I haven't seen him since 2010
4.Shall we play badminton this weekend ?
→How about playing badminton this weekend?
5.She likes to live in the contryside.
→She enjoys living in the countryside
6.I think it'll snow tomorrow .I will go skiing.
→If It snows tomorrow, I will go skiing
7.You should work hard, or you won't pass the exam.
→If you don't work hard, you won't pass the exam
8.Hurry up or you will be late for the train.
→If you don't hurry up, you will be late for the train
9.Our sources of energy will soon end if we don't try to save them.
→Unless we try to save our sources of energy, they will soon end
10.If she isn't more hard - working, she will grt low marks.
→Unless she is more hard-working, she will get low marks
11.I think that no city is more beautiful than Paris.
→I think this Paris is the most beautiful city
12.We will probably visit Japan in the future.
→We might visit Japan in the future
13.Peter knew how to skate when he was 12.
→Peter has known how to skate since he was 12
1
1 has written
2 didn't have
3 played
4 has she been
5 I have ever visited
6 Did you go
7 Have you ever been there?
8 did you,went
9 was,be
10 did you watch
2
1 we haven't seen her since Christmas day.
2This is the first time I tried this kind of food.
3 It has rained for an hour.
4 The last time that they visit their grandparents is two months ago.
5 We began studied english when we still in grade 3.
6 It's nearly two years that my sister hasn't seen her friend.
Before I came to class, I had a cup of coffee.
@ After i had a cup of coffee, I came to class
I have neven read such a good book before.
@ This is the first time I have ever read such a good book
She started learning English ten years ago.
@ She has learnt English for ten years
It is two years since he last went home.
@ He hasnot gone home for two years.
She began to play the piano three years ago
@ She has played the piano for three years
Before I came to class, I had a cup of coffee.
@ After i had a cup of coffee, I came to class
I have neven read such a good book before.
@ This is the first time I have read a good book
She started learning English ten years ago.
@ She had learnt English for ten years
It is two years since he last went home.
@ He hasnot went home for two years
She began to play the piano three years ago
@ She has been play the piano for three years
Chúc bn học tốt ! 
1. She has worked here for ten years
=> She started to work here ten years ago.
2. They began to live in Ha Noi in 1990
=> They have lived in Ha Noi since 1990.
3. I started to play the piano ten years ago
=> I have played piano for ten years.
4. She has worked as a teacher for 7 years
=> She began to teach 7 years ago.
5. He last phoned me in August
=> He hasn't phoned me since August.
1.she has worked here for ten years
she began working here ten years ago
2.they began to live in ha noi in 1990
they have lived in hanoi since 1990
3.i started to play the piano ten years ago
i have played the piano for ten years
4.she has worked as a teacher for 7 years
she began to work as a teacher 7 years ago
5.he last phoned me in august
he hasn't phoned me since august
1)-I was not ill last month.
?Was I ill last month?
2)-He did not stop his car to take a photograph.
?Did he stop his car to take a photograph.
3)-He did not visit for you two hours ago.
?Did he visit for you two hours ago?
4)-She did not live in New York in 2015?
?Did she live in New York in 2015?
5)-He did not finish his homework last night.
?Did he finish his homework last night?
6)-They did not leave the room early.
?Did they leave the room early?
1. Phủ định: I wasn't ill last month.
Nghi vấn: Was you ill last month?
2. Phủ định: He didn't stop his car to take a photograph.
Nghi vấn: Did he stop his car to take a photograph?
3. Phủ định: He didn't visit for you two hours ago.
Nghi vấn: Did he visit for you two hours ago?
4. Phủ định: She didn't live in New York in 2015.
Nghi vấn: Did she live in New York in 2015?
5. Phủ định: He didn't finish his homework last night.
Nghi vấn: Did he finish his homework last night?
6. Phủ định: They didn't leave the room early.
Nghi vấn: Did they leave the room early?
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 I have eaten this kind of food.
3. It started raining an hour ago
=> It have rained for an hour.
4.We haven't visited our grandfather for two months
=> The last time we visited our grandfather was two months ago.
5. I have studied English for three years
=> I started to studied English three years ago.
6. My brother hasn't seen his best friend for nearly five years
=> The last time my brother saw his best friend was nearly five years ago.
7. When did you start learning English?
=> When have you learned English?
8. We started living here fifteen years ago
=> We have lived here for fifteen years.
9. The last time she visited me was five years ago
=> She hasn't visited me for five years.
10. I last wrote to my uncle in July
=> I haven't written to my uncle since July.
11. It's long time since we became closed friend
=> We have become closed friend for long time.
12. Minh began to collect stamps in 2000
=> Minh have begun to collect stamps since 2000
Câu cuối mình nhầm chút ^^
Sửa lại : Minh has ................
11. The last time I saw Tom was in 1999.
I haven’t__seen Tom since 1999_________________________________________________________.
I last__saw Tom in 1999____________________________________________________________.
12. We last met our teacher 10 years ago.
We haven’t__met our teacher forr 10 years_______________________________________________________.
The last____time we met our teacher was 10 years ago_______________________________________________________.
13. He has collected stamps for five years.
He started__collecting stamps five years ago________________________________________________________.
14. I have never met a more intelligent boy than Peter.
Peter is__the most intelligent boy I have never met__________________________________________________________.
15. I started learning French 6 months ago.
I’ve____learned French for 6 months___________________________________________________________.
16. He is the most famous actor I have ever met.
I have never___met a more famous actor than him_____________________________________________________.
17. I haven’t heard of him since August.
The last time____I heard him was in August ___________________________________________________.
18. My grandmother hasn’t been to the hospital before.
This is_the first time my grandmother has been to the hospital__________________________________________.
19. My father hasn’t been to Sapa for two years.
The last time____my father went to Sapa was two years ago___________________________________________________.
11.--->I haven't seen Tom since 1999.
12.--->We haven't met our teacher for 10 years.
13.--->He started to collect stemps five years ago.
14.--->Peter is the most intelligent boy I have ever met.
15.--->I've leant French for 6 months.
16.--->I have never met a more famous actor than him.
17.--->The last time I heard of him was in August.
18.--->This is the first time my grandmother has been to the hospital.
19.--->The last time my father was to Sapa two years ago.
I have learned English for 5 years.
2. He has visited Hanoi since 2015.
lớp 6 có học nhóm thì hoàn thành à??
1. ==> I have learnt English for 5 years.
2. ==> He has not visit Hanoi since 2015.