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didn't call her up 2 days ago.
I haven't called her uo for 2 days
Did you finish the test an hour ago?
Have you finished the test for an hour?
I started playing tennis last year.
I've played tennis since last year
I haven’t seen him for a week
It’s a week since I last saw him
When did you first see her?
How long have you first seen her?
She didn't learn hard in 2005.
She hasn't learned hard since 2005
He has used the computer since he was 19
He began using the computer when he was 19
Peter has watched that film since last month
It’s last month since Peter last watched that film
The boys began playing soccer a year ago.
The boys have played soccer for a year
Has Dad worked here since I was born?
Did Dad work here when I was born?
The last time We saw her was 2 months ago
We haven ‘t seen her for 2 months
Tom did not work here when I met him on the street
Tom has not worked here sice I met him on the street
This is the first time he forgot his bag
He has never forgotten his bag before
Haven’t you used this car for a long time ?
Did you use this car a long time ago?
Is it the first time your father drunk that wine
Did your father drink that wine before?
This car is the most mordern I’ve used
I’ve never used such the most modern car before
It’s four years since I learnt in Hoa Lien school
I have learnt in Hoa Lien School for 4 years
She last wore that dress at her sister’s wedding
she hasn’t worn that dress since her sister's wedding
When did you start working in that factory?
How long have you worked in that factory?
Nam hasn’t written to his friend since 2005
It is 2005 since Nam last wrote to his friend
It is the first time I have heard about that
I have never heard about that before
They have’t played volleyball since last year
It is last year since they last played volleyball
Mr Nam has worked in this factory for years
Mr Nam started working in this factory years ago
Hoa hasn’t met me since she went abroad
Hoa last met her when she went abroad
Mr Lam started learning French on september 2nd
Mr Lam has learned French since September 2nd
He has used this car since he bought a new house
He began using this car when he bought a new house
She didn't learn hard in 2005.
She hasn't learned hard since 2005
Peter watched this film when he came home.
Peter has watched this film since he came home
It's a week since I last saw her.
I haven't seen her for a week
The boys began playing soccer a year ago.
The boys have played soccer for a year
Did Dad start to work here when I was born?
Has Dad worked here since I was born?
When did you first see her?
How long have you first seen her?
The last time We saw her was 2 months ago
We haven ‘t seen her for 2 months
Tom did not work here when I met him on the street
Tom has worked here since I met him on the street
This is the first time he forgot his bag
He has never forgotten his bag before
Children began to play games at 9pm
Children have played games since 9 p.m
When did you first know her ?
How long have you first known her?
I have never tasted the cake before
This is the first time I've ever tasted the cake
I haven’t played tennis since 1990
The last time I've played tennis was in 1990
I haven’t been to Briton for three years
The last time I've been to Briton was three years ago
I have never met such a famous person before
It’s the first time I've vẻ met such a famous person
I’ve never eaten this before
It’s the first time I've ever reaten this
1.We stated learning English four years ago.
=>We have learnt English for 4 years
2.We stated living here fifteen years ago.
➜We have lived here for 15 years
3.Minh began to collect stamps in 2000
➜Minh has collected stamps since 2000
4.It stated to rain at two o'clock
=>It has been raining since 2 o'clock.
5.They began living in this village 2o years ago
=> They have lived in this village for 20 years ago
6.I stated to play the piano ten years ago
=> I have played the piano for ten years
7.They began to live in Ha Noi in 1990
=> They have lived in Ha Noi since 1990
8.They have leanr English for ten years
➜ They stated learning English 10 years ago
9.She has workeras a teacher for 7 years
=> She began working as a teacher 7 years ago
10.She has here for ten yeas .
=> She stated living here 10 years ago
11.They have work in this factery since 2001.
=> They stated working in this factery in 2001
12.He last phoned me in August
=> He hasn't phoned me since August
13.She last wore that dressat her sister's wedding
=> She hasn't wore that dress since her sister's wedding
14.The last time I met Ba wasin 2008
=> I haven't met Ba since 2008
15. The last time she visited me was five months ago
➜She hasn't visited me for 5 months
16.I last wrote to my uncle in July
➜ I haven't written to my uncle since July
17.Minh lats wrote to his pen pal five months ago
➜Minh hasn't written to his pen pal for five months
18. We haven't seen her since we left university
➜ The last time we saw her was when we left university
19.I haven't written to you for a month
➜ I last wrote to you a month ago
20.I last saw Nam two years ago
=> I haven't seen Nam for 2 years
21. The last time she went out with him was 9 months ago
=> It is 9 months since she last went out with him
1.We stated learning English four years ago.=>We have learnt English for four years
2.We stated living here fifteen years ago.➜We have lived here for fifty years
3.Minh began to collect stamps in 2000 ➜Minh has collected stamps since 2000
4.It stated to rain at two o'clock => It has rained since two o'clock
5.They began living in this village 2o years ago
=> They have lived in this village for 2 years
6.I stated to play the piano ten years ago
=> I have played the piano for ten years
7.They began to live in Ha Noi in 1990 => They have lived in Ha Noi since 1990
8.They have leanr English for ten years . ➜ They started to learn English ten years ago.
9.She has workeras a teacher for 7 years => She began to work as a teacher 7 years ago.
10.She has lived here for ten yeas . => She started living here ten years ago
11.They have work in this factery since 2001. => They stated working in factory in 2001.
12.He last phoned me in August => He hasn't phoned me since august
13.She last wore that dressat her sister's wedding
=> She hasn't worn that dress at her sister's wedding
14.The last time I met Ba was in 2008 => I haven't met Ba since 2008.
15. The last time she visited me was five months ago -> She hasn't visited me for five months.
16.I last wrote to my uncle in July ➜ I haven't written to my uncle since July
17.Minh lats wrote to his pen pal five months ago
➜Minh hasn't written to his pen pal for five months
18. We haven't seen her since we left university
➜ The last time we saw her was when we left university
19.I haven't written to you for a month ➜ I last wrote to you a month ago.
20.I last saw Nam two years ago = I haven't seen Nam for two years
21. The last time she went out with him was 9 months ago
=> It is 9 months since she last went out with him.
1. She last wore the dress at her sister's wedding
-> She hasn't worn the dress at her sister's wedding.
2. When did you start working in that factory ?
-> How long have you started working in that factory?
3. We last saw our gradfather ten months ago
-> We haven't seen our grandfather for ten months
4. I last heard this song ten years ago
-> It is ten years since I last heard this song.
5. I last saw Minh six days ago
-> I haven't seen Minh for six days
6. The last time Tom visited his uncle was two years ago .
-> It's two years since Tom visited his uncle.
7. Hoa hasn't written to her parents for three months
-> The last time Hoa wrote to her parents was three months
8. The last time we ate this kind of food was in January.
->We haven't eaten this kind of food since January.
9.We stated /began living here in 1995
-> We have lived here since 1995.
10. Huong last wrote to her parents two months ago
-> Huong hasn't written to her parents for two months
11.How long is it since he bought the computer ?
->When did he buy the computer?
12.I've never talked to the headmaster before .
-> It's the first time I've talked to the headmaster
27.How long is it since you usedthe car ?
->When did you use the car?
28.He hasn't chatted with his classmates through the internet ages .
-> It's ages since he last chatted with his classmate through the internet.
29.He has never played a computer game before .
-> This is the first time he has played a computer game
30. We haven't seen her since we left university.
-> The last time we saw her when we left university.
31.She last ate this kind of food in May .
-> She hasn't eaten this kind food since May
32.Have you ever played a computer game before ?
-> Is this my first time played a computer game
33. We learnt English for 4 years .
-> We started to learn English 4 years ago
34.My father started to give up smoking last year
-> My father has given up smoking for year
35. They have worked in that factory since 2001 .
-> They started to work in that factory in 2001
36. He has lived in Hanoi since he was 12 .
-> He started to live in Hanoi when he was 12
37. How long have you learnt French ?
-> How long ago did you start to learn French?
38.When did you start to listen to classical music ?
-> How long have you listened to classical music?
1, We haven't seen her since Christams
2, This is the first time I have tried this kind of food
3, It has rained for an hour ago
4, The last time we visited my grandparents was two years ago
5, I began studying three years old
6, It 's nearly 5 years since my brother saw his best friend
7, How long have you started learning EL ?
8, Jane is the same height as her older sister
Học tốt nha bạn 
Ex19: Write the second sentence so that it has a similar meaning to the first :
1. The last time we saw her was on Christmas Day.
We haven't SEEN HER SINCE CHRISTMAS.
2. I haven't eaten this kind of food before.
This is THE FIRST TIME I HAVE TRIED THIS KIND OF FOOD.
3. It started raining an hour ago.
It has RAINED FOR AN HOUR.
4. We haven't visited my grandparents for two months.
The last time WE VISITED MY GRANDPARENTS WAS TWO MONTHS AGO.
5. I have studied English for three years.
I began STUDYING ENGLISH THREE YEARS AGO.
6. My brother hasn't seen his best friend for nearly five years.
It's NEARLY FIVE YEARS SINCE MY BROTHER LAST SAW HIS BEST FRIEND.
7. When did you start learning English?
How long DID YOU START LEARNING ENGLISH?
8. Jane is as tall as her older sister.
Jane is the same HEIGHT AS HER OLDER SISTER.
Viết lại câu không thay đổi nghĩa
1This is the first time he went abroad.
-> He hasn't gone abroad before.
2.She started driving 1 month ago.
-> She has been driving for 1 month.
3.We began eating when it started to rain.
-> We have been eating since it stated to rain.
4.I last had my hari 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 each other for 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.
1. He hasn't gone aboard before
2. She has been driving for 1 month
3.We have been eating since it started to rain
4.I haven't had my hair cut since I left her
5.She hasn't kissed me for 5 months
6.We haven't met each other for a long time
7.How long have you had it?
8.I haven't had such a delicious meal before
I didn't call her up 2 days ago.
I haven't called her for 2 days
Did you finish the test an hour ago?
Have you finished the test for an hour ?
I started playing tennis last year.
I've played tennis since last year
I haven’t seen him for a week
It’s a week since I last saw him
When did you first see her?
How long have you seen her ?
She didn't learn hard in 2005.
She hasn't learned hard since 2005
He has used the computer since he was 19
He began using the computer when he was 19
Peter has watched that film since last month
It’s last month since Peter watched that film
Nếu thấy câu trả lời mik có ích hãy cho mik 1 tick thay lời cảm ơn hay lời đồng tình về bài làm của mik nha 
Câu 10 nên viết lại là How long has your father HAD that car? sẽ đúng hơn. Vì hiện tại hoàn thành sẽ diễn tả hành động kéo dài từ quá khứ đến hiện tại, còn hành động "buy" (mua) sẽ chỉ xảy ra trong một mốc thời gian thôi, hành động have (sở hữu) mới là hành động kéo dài, dùng đc ở thì hiện tại hoàn thành
QUÁ KHỨ⇔ HIỆN TẠI HOÀN THÀNH :
1. She hasn't gone out with him for 5 months .
❏ The last time ...she went out with him was 5 months ago............................................
2. We haven't seen such a cruel mother before .
❏ This is the first ..time we have seen such a cruel mother...........................................
3. It's two years since we last saw Mr. Jones
❏ We haven't ....seen Mr.Jones for 2 years.................................................
4. This is the first time I have visited the USA .
❏ I haven't ......visited the USA before....................................................
5. I have learnt English for ten years now .
❏ I began learning English 10 years ago
6.She moved London 20 years ago
❏ She has moved London for 20 years................................................................
7.The Pikes haven't visited Paris for 2 years .
❏ The last time the Pikes visited Paris was 2 years ago...........................................................
8. I stopped writing to him a week ago .
❏ I haven't written to him for a week....................................................................
9. Mary has learnt French for 6 years .
❏ It's 6 years since Mary started learning ENglish.............................................................................
10. When did your father buy that car ?
❏ How long has your father bought that car?.....................................................................
11.I have never met a more warm-hearted person than my mother is .
❏ My mother is the most warm -hearted person I have ever met
12.I have never seen such a bad film as that one in the cinema .
❏ That is the worst film I have ever seen.
13. That's the strangest film I've ever seen .
-> I've never seen such a strange film as that one...........................................................................
14. I've never known such a beautiful girl before .
-> This is the first time I have known such a beautiful girl
15. Mrs. Lien is the most warm-hearted person I've ever met.
-> I've never met a more warm-hearted person than .Mrs.Lien.
Complete the second sentence so that it has similar meaning to the first sentence
1.Tom started recycling rubbish two year ago.
Tom has recycled rubbish for two year
2.We have donated books and clothes for ten years.
We began donating books and clothes ten years ago
3.The last time we saw her was on Christmas Day.
We haven't sên her since Christmas Day.
4.I haven't eaten this kind of food here.
This is the first time I have eaten this kind of food here
5.It started raining an hour ago.
It has rained for an hour
6.I have studied English for 5 years.
I began studying English 5 years ago
7.I last saw him when I was a student.
I haven't seen him since I was a student.
8.I haven't talked to him for 8 days.
The last time I talked to him was 8 days ago
Rewrite the following sentences:
1. Thye have learnt English for ten years
=> They started learning English ten years ago.
2. She started giving up smoking last year.
=> She has gave up smoking for one year.
3. I haven't written to you for a month.
=> I last wrote to you one month ago.
4. He hasn't seen her for nine years now.
=> He last saw her nine years ago.
5. How long have you learned English?
=> When did you start leanring English?
6. When did you start listening to pop music?
=> How long have you listened to pop music?
7. We haven't been to the concert for over a year.
=> The last time we went to the concert was over a year ago.
8. We last saw our grandfather two years ago.
=> We haven't seen our grandfather for two years.
9. It's the first time they've ever bought me a present.
=> They haven't bought me a present before.
10. The last time I played football was in 1971.
=> I haven't played football since 1971.
kinh