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Ex1. Past Simple-> Present Perfect
1. I didn’t call her up 2 days ago. I haven’t called her up for 2 days
2. Did you finish the test an hour ago? Have you finished the test for an hour?
3. I started playing tennis last year. I’ve played tennis last year
4. He began to use the computer when he was 19. He has used the computer since he was 19
5. She didn’t learn hard in 2005. She hasn’t learned hard since 2005
6. Peter watched this film when he came home. Peter has watched this film since he came home
7. It’s a week since I last saw her. I haven’t seen her for a week
8. The boy began playing soccer a year ago. The boys have played soccer for a year
9. When did you first see her? How long have you seen her?
10. The last time we saw her was 2 months ago. We haven’t seen her for 2 months
11. Tom did not work here when I met him on the street. Tom has worked here since I met him on the street
12. When did you first know her? How long have you known her?
hình như mk đã tl cho bạn trên h rồi thì phải
Ex1. Past Simple-> Present Perfect
1. I didn’t call her up 2 days ago. I haven’t called her up for 2 days
2. Did you finish the test an hour ago? Have you finished the test for an hour?
3. I started playing tennis last year. I’ve played tennis since last year
4. He began to use the computer when he was 19. He has used the computer since he was 19
5. She didn’t learn hard in 2005. She hasn’t learned hard since 2005
6. Peter watched this film when he came home. Peter has watched this film since he came home
7. It’s a week since I last saw her. I haven’t seen her for a week
8. The boy began playing soccer a year ago. The boys have played soccer for a year
9. When did you first see her? How long have you seen her?
10. The last time we saw her was 2 months ago. We haven’t seen her for 2 months
11. Tom did not work here when I met him on the street. Tom has not worked since I met him on the street
12. When did you first know her? How long have you known her?
1. we began to learn english 4 years ago->we have been learnt EL since 4 years ago
2.my father started to give up smoking last year->my father has started give up smoking since last year
3. they have worked in that factory since 2001->they started working in that factory in 2001
4.lan hasn't written to maryam for a month ->lan didn't write to maryam last month
5. he has lived in hn since he was 12->he started living in Ha Noi when he was 12
Chúc bạn học tốt 
1. we began to learn english 4 years ago->we have been leant English since 4 years ago
2.my father started to give up smoking last year->my father has started give up smoking since last year
3. they have worked in that factory since 2001->they started to work in that factory in 2001
4.lan hasn't written to maryam for a month ->lan didn't wirte maryam last month
5. he has lived in hn since he was 12->he started living in HN when he was 12
1) He has been here the first time
2)I have been playing tennis 3 moths ago
3)They have been to plant tree when it stopped raining.
4)She isn't eaten this food before
5)My uncle has been left here three days
6)I have seen him was two weeks ago
1) This is the first time he went abroad.
=> He hasn't gone abroad before
2) She started driving 1 month ago.
=> She has drived for 1 month
3) We began eating when it started to rain.
=> We have eaten since it started to rain.
4) I last had my hair cut when I left her.
=> I haven't had my hair cut since I left her.
5) The last time she kissed me was 5 months ago.
=> She hasn't kissed me for 5 months
6) It is a long time since we last met.
=> We haven't met since a long time .
7) When did you have it ?
=> How long have you had it ?
8) This is the first 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 I saw him was 8 days ago
10) I haven't taken a bath since Monday.
=> It is
1. This is the first time he went abroad.
=> He hasn't gone abroad.
2. She started driving 1 month ago
=> She hasn't driven for 1 month
3. We began eating when it started to rain
=> We have eaten since I left her
4. I last had my hair cut when I left her.
=> I haven't cut my hair since I left her.
5. It is a long time since we last met.
=> We haven't met for a long time
Chúc bạn học tốt nhá!
1) We have started to play soccer for an hour
1. We started to play soccer an hour ago
We have... played soccer for hour ago....
2. She started reading this novel a week ago
She has.read this novel for a week ....
3. He started writing this book last year
He has..written this book since last year...
4. My sister began playing badminton in 1986
My sister has.played badminton in 1986....
5. Hoa began playing piano when she was 10
Hoa has....played ..piano since she was 10..
6. Mr Hai began to be a doctor when he was 21
Mr Hai has..been a doctor since he was 21.....