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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?
I haven't seen him for months
=> I last saw him months ago
I haven't beem to a concert for over a year
=> The last time I was to a concert was over a year ago
The last time I really enjoyed myself was you birthday party
=> I haven't enjoyed myself since your birthday party
It's nearly 20 years since my father saw his brother
=> My father hasn't seen his brother for nearly 20 years
When did you learn to driver?
=> How long have you learnt to driver?
you have tidied this room for week?
=> I't weeks since you last tidied this room
we starrted looking for a flat 2 months ago and we are still looking?
=> We have looked for a flat for 2 months and we are still looking
This is the first time I've been to a night club?
=> I haven't been to a night club before
They have never hear such a thing before?
=> This is the first time They have heard such a thing
1.They last talked to each other two months ago. ---> They haven't talked to each other for two months.
2.The last time she saw her elder sister was in 1999. --->She hasn't seen her elder sister since 1999.
3.She hasn't written to me for years.---> It's years since she wrote to me.
4.Robert and Catherine have been married for ten years.--->It's ten years Robert and Catherine married.
5.It's two weeks since they deaned their room.----->They haven't cleaned their room for two weeks.
6.It's over six months since John had his hair cut.---->John has had his hair cut for over six months.
7.how long is it since he wrote to you?--->When was the last time he wrote to you?
8.I last had my hair cut when I left her.--->I haven't had a new hair cut since I left her.
9.The last time she kissed me was 5 months ago.--->She hasn't kissed me for 5 months.
10.It is a long time since we last met.--->We haven't met for a long time.
11.I haven't seen him for 8 days.-->The last time I saw him was 8 days ago.
12.I haven't taken a bath since Monday.-->It is last Monday since I took a bath.
13.It's 2 years since i had a punture.--->I have had a punture for 2 years.
14.It's 2 months since he earned any money.--->He has earned any money for two months.
1 , They haven't talked to each other for two months
2, she hasn't seen her elder sister since 1999
3,It's years since she wrote to me
4,It's ten years Robberts and Cathetine married
5, They haven't cleaned their room for two weeks
Chúc bạn học tốt 
1. How many students does your class have?
=> How many students are there in your class ?
2. I like beef and vegetables.
=> Beef and vegetables are my favourite food.
3. Why don't we go to the movies tonight
=> What about going to the movies tonight?
4. I last saw peter five months ago .
=> I havent't seen Peter for five months
5 . What is the wether like ?
=> How is the weather ?
6.The lake is behind my house
=> My house is in front of the lake.
1.how many student does your class have ? -> how many student .....are there in your school?...
2.i like beef and vegetables.-> beef.....and vegetables are my favorite food........
3. why don't we go to he movies tonight?-> what about ........going to he movies tonight?........
4. i last saw peter five months ago . > i havent't ......seen Peter.....for five months
5 . what is the wether like-> how.......is the weather?.........
6.the lake is behind my house -> my house is .......in front of the lake.............
It's the first time that I have ever seen a football maych.
=>I have_________never seen a football maych before_______
I last saw Mai 5 months ago.
=>I haven't_________seen Mai for 5 months ____________
I haven't seen a football match before/i haven't seen Mai for 5 years
Rewrite
1. They have taught in this school since 2007.
-> They started teaching in this school in 2007.
2. Minh began to collect stamps in 2000.
-> Minh has collected stamps since 2000.
3. I haven`t been to Bristol for three years.
-> The last time I was to Bristol was three years ago.
4. I last Wrote to ......my uncle in July
-> I haven`t written to my uncle since july.
5. She has been to Ha Noi for 5 years.
-> The last time she was to hanoi was 5 years ago
6. The last time it rained was a fortnight ago.
-> It haven't rained for a fortnight
7. I last saw him when was a student.
-> I haven`t seen him since when was a student
8. I haven`t done any gardening for three years.
-> The last time I did gardening was three years ago
9. The last time we went to London was two years ago.
-> We haven`t gone to London for two years .
10. The last time she visited me was a year ago.
-> She hasn`t visited me for a year .
11. It`s a long time since we became close friends.
-> We have become close friend for a long time
12. It is ages since Alan visited his parents.
-> Alan hasn't visited his parents for ages
13. It hasn`t rained for two months.
-> It is two months since it last rained
14. We have know each other for two years.
-> It`s two years since we knew each other
1. They have taught in this school since 2007.
-> They started teaching in this school in 2007.
2. Minh began to collect stamps in 2000.
-> Minh has collected stamps since 2000.
3. I haven`t been to Bristol for three years.
-> The last time I was to Bristol was three years ago.
4. I last Wrote to ......my uncle in July
-> I haven`t written to my uncle since july.
5. She has been to Ha Noi for 5 years.
-> The last time she was to hanoi was 5 years ago
6. The last time it rained was a fortnight ago.
-> It haven't rained for a fortnight
7. I last saw him when was a student.
-> I haven`t seen him since when was a student
8. I haven`t done any gardening for three years.
-> The last time I did gardening was three years ago
9. The last time we went to London was two years ago.
-> We haven`t gone to London for two years .
10. The last time she visited me was a year ago.
-> She hasn`t visited me for a year .
11. It`s a long time since we became close friends.
-> We have become close friend for a long time
12. It is ages since Alan visited his parents.
-> Alan hasn't visited his parents for ages
13. It hasn`t rained for two months.
-> It is two months since it last rained
14. We have know each other for two years.
-> It`s two years since we knew each other
\(\Rightarrow\)I haven't seen her for 2 months.
==> I haven't seen her for 2 months