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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 
CHUYỂN ĐỔI TỪ HIỆN TẠI HOÀN THÀNH SANG QUÁ KHỨ ĐƠN ( VÀ NGƯỢC LẠI )
1) This is the first time he went abroad.
=> He hasn’t………………gone abroad before…………………………..
2) She started driving 1 month ago.
=> She has……………………been drving for a month ……………………………………
3) We began eating when it started to rain.
=> We have…………………been eating/ ate since it started to rain……………………………………
4) The last time she kissed me was 5 months ago.
=> She hasn’t………………………kissed me for 5 months……………………………
5) This is the first time I had such a delicious meal .
=> I haven’t………………had such a delicious meal before……………………..
6) Samuel started keeping a diary in 1997
=> Sumuel has........................been keeping/ kept a diary in 1997....................
7) We started learning English five years ago
=> We have............been learning/ learnt English for five years.................
8) I began living in Ho Chi Minh City when I was 8
=> I have.................been living in HCM City since I was 8......................
9) She has taught the children in this remote village for five months
=> She started............. to teach the children in this remote village for five months.................
10) He has written to me since April
=> The last time.........he wrote to me was in April........
11) She hasn't had a swim for five years
=> She last.............had a swim five years ago..................
12) They last talked to each other two months ago
=> They haven't......talked to each other for two months.....
13) The last time she saw her elder sister was in 1999
=> She hasn't....... seen her elder sister since 1999..........
14) She hasn't written to me for years
=> It's years..............since she last wrote to me....................
15) Robert and Catherine have been married for ten years
=> It's ten years.........since Robert and Catherine was married........
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. She has bought that house since 1973.
2. When did you engage ?
3. You have a beautiful home, don't you?
4. I haven't seen An for six months ago.
5. The last time Hoa wrote was June last year.
1. She has bought that house since 1973.
2. When did you be engaded?
3. You have a beautiful home?
4. I haven't seen An for six months.
5. The last time Hoa wrote to me was June last year.
(Đây là ý kiến của mình nhé! )
I . write the second sentence so that it has a similar meaning to the first
1. we started living here fifteen years ago
=> we have ...............lived here for fifteen years........................
2. the last time she invited me was five months ago
=> she hasn't ........................visited me for five years.............................
3. I last wore to mu uncle in July
=> I haven't .................written to my uncle since July........................
4. It's a long time since we became close friends
=> We have .......................become closed friend for long time..............................
5. Minh began to collect stamps in 2000
=> Minh has ....................begun to collect stamps since 2000 ........................
I . write the second sentence so that it has a similar meaning to the first
1. we started living here fifteen years ago
=> we have ...............lived here for fifteen years........................
2. the last time she invited me was five months ago
=> she hasn't ........................visited me for five years.............................
3. I last wore to mu uncle in July
=> I haven't .................written to my uncle since July........................
4. It's a long time since we became close friends
=> We have .......................become closed friend for long time..............................
5. Minh began to collect stamps in 2000
=> Minh has ....................begun to collect stamps since 2000 ........................
TK
1. She hasn't come back home for 4 years.
2. He has worked as a bank clerk for 3 months.
3. We have not flown to Singapore for 5 years.
4. I haven't had my hair cut since November.
5. We haven't called each other for 5 months.
6. We haven't met each other for a long time.
7. How long have you had it?
8. I have never had such a delicious meal.
9. The last time I saw him was 8 days ago.
10. It is three days since I last took a bath
11.He hasn't gone abroad before .
12.She has driven for 1 month .
13.We have eaten since it started to rain .
14. I haven't my hair cut since I left her .
17.We haven't seen for each other .
16.he has studied English since he was young
17.this is the first time i have ever eaten this kind of food
18.she is a beautiful girl i have met
19. i have never this read novel before.
20. i have never read a better novel than this on before
1. This last time she came back to her hometown was 4 years ago.
=> She hasn't come back to her hometown for 4 years.
2. He started working as a bank clerk 3 months ago.
=> He has worked as a bank clerk for 3 months .
3. It has been 5 years since we first flew to Singapore.
=> We have flown to Singapore for 5 years.
4. I last had my hair cut in November.
=> I haven't had my hair cut in November.
5. The last time we called each other was 5 months ago.
=> We haven't called each other for 5 months.
6. It is a long time since we last met.
=> We haven't met for a long time.
7. When did you have it?
=> How long have your had it?
8. This is the first time I had such a delicious meal.
=> I have never had such a delicious meal before.
9. I haven't seen him for 8 days.
=> The last time I last saw him was 8 days ago.
10. To day is Saturday. I haven't taken a bath since Wednesday.
=> It is Saturday since I have taken a bath.
11. This is the first time he went abroad.
=> He hasn't gone aboard
12. She started driving 1 month ago.
=> She has drived for 1 month.
13. We began eating when it started to rain.
=> We have eaten since it started to rain.
14. I last had my hair cut when I left her.
=> I haven't had my hair cut since I left her
17. It is a long time since we last met.
=> We haven't met for a long time.
16. She started to live in Hanoi 2 years ago. (for)
=> She has lived in Hanoi for 2 years.
17. He began to study English when he was young. (since)
=> He has studied English since he was young.
18. I have never eaten this kind of food before. (This is)
=> This is the first time I have ever eaten this kind of food.
19. I have never seen such a beautiful girl before. (She is)
=> She is a beautiful girl I have seen.
20. This is the best novel I have ever read. (before)
=> I have never read the good novel before.
She hasn't came back to her hometown for 4 years
He has been a bank clerk for 3 months
We have never been to Singapore for 5 years
I haven't had my hair cut since November
We haven't call for 5 months
We haven't met for a long time
How long have you had it?
I have not had such a delicous meal before
The last time I saw him was 8 days ago
It was Sunday since I last took a bath
1. She hasn't come back home for 4 years.
2. He has worked as a bank clerk for 3 months.
3. We have not flown to Singapore for 5 years.
4. I haven't had my hair cut since November.
5. We haven't called each other for 5 months.
6. We haven't met each other for a long time.
7. How long have you had it?
8. I have never had such a delicious meal.
9. The last time I saw him was 8 days ago.
10. It is three days since I last took a bath
11.He hasn't gone abroad before .
12.She has driven for 1 month .
13.We have eaten since it started to rain .
14. I haven't my hair cut since I left her .
17.We haven't seen for each other .
16.he has studied English since he was young
17.this is the first time i have ever eaten this kind of food
18.she is a beautiful girl i have met
19. i have never this read novel before.
20. i have never read a better novel than this on before
Complete the second sentence so that it has a similar meaning to the first one. you must use bettween three and five words, including the word given. Don't change the form of the word given.
1. They will build a new house in five years.
=> It will be built in five years.
2. When did he started working for the company?
=>How long has he worked for the company ?
3. The last time she visited me was five months ago.
=> She hasn't visited me for five months.
4. It isn't necessary to make an appointment to see the bank manager
There is no need for you to make an appointment to see the bank manager.
Câu 4 bạn có thể viết ngắn hơn mà nghĩa cũng vẫn không thay đổi không?
He hasn't written to me for 3 months.
câu3