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1.I have never met him before
-> It is the first time I have met him
2.I have never eaten this kind of food before
-> It is the first time I have eaten this kind of food
3.I've never seen this film before
-> This is the first time I have seen this film
4.We've never drunk this kind of water before
->This is the first time I have drunk this kind of water
5.He's never been to HCM city before
->It is the first time I been to HCM city
6.It is the first time I've seen this man
->I've never seen this man before
7.This is the first time he phoned me
->He has never phoned me before
8.This is the first time I've talked to her
->I've never talked to her before
9.This is the first time Nam has used computer
->Nam has never used computer before
10.It is the first time Tom has sung
->Tom has never sung before
11.Ba had never listened to classical music before
->This was the first time Ba has listened to classical music
12.Nam had never seen him before
->It was the first time Nam has seen him
13.I had never seen him before
->It was the first time I have seen him
14.It was the first time Ba had killed chickens
->Ba had never killed chickens before
15.It was the first time she had eaten apple
->She had never eaten apple before
16.He last saw me a week ago
->He hasn't seen me for a week
->It is a week since he last saw me
17.Ba stopped playing soccer when he was 30
->Ba hasn't played soccer since he was 30
18.Hung began listening to music at 8 o'clock
->Hung has begun listening to music since 8 o'clock
19.He didn't smoke two years ago
->He hasn't smoked for two years
->It is two years since he last smoked
1. The last time she saw her elder sister was in 1999
=> She hasn't seen her elder sister since 1999
2. This is the first I have seen this film
=> I have never seen this film before
3. This is the first time he went abroad
=> He hasn't gone abroad before.
1. She hasn't seen her elder sister since 1999.
2. I have never seen this film before.
3. He hasn't gone abroad before.
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.
1.This is first time I have listened to this song
→I have never.........listen to this song before..............................
2.He has never played a computer game before
→This is............the first time he has played a computer game........................................
3.She has never opened an bank account before
→This is..........the first time she há opened a bank account.........................................
4.This is the best film I've ever seen
→I've.........never seen a better film than this one..........................................................
1.This is first time I have listened to this song
→I have never listened to this song.
2.He has never played a computer game before
→This is the first time he has played a computer game.
3.She has never opened an bank account before
→This is the first time she has opened an bank account.
4.This is the best film I've ever seen
→I've never seen a better film than this one.
1. I have never seen such a beautiful girl before.
- She is the most beautiful girl I have seen
2. This is the first time I have seen him.
- I haven’t seen him before
3. When did you have it?
- How long have you had it
4. They can avoid some diseases by eating a lot of fish.
- Eating a lot of fish can avoid some diseases
5. I haven’t eaten this kind of food before.
- This is the first time I have eaten this kind of food
6. My father and I share the same hobby.
- My father has the same hobby as me
7. I don't have enough meat.
- I don’t need to buy any more meat
8. I wanted to eat sushi for dinner. I went to a Japanese restaurant.
- I wanted to eat sushi for dinner so I went to a Japanese restaurant.
1.The last time I played football was in 1970.
=> I haven't played football since 1970.
2. The last time it rained was a fortnight ago.
=> It hasn't rained for four night.
3. The last time Lucy wore that dress was at Barbara’s wedding.
=> Lucy hasn't worn that dress since Barbara's wedding.
4. The last time my father was to Vung Tau was 2 years ago.
=> My father hasn't been to Vung Tau for 2 years.
5.The last time Betty rode to work was a fortnight ago.
=> Betty hasn't ridden to work for fornight.
6.He hasn’t played tennis since 1990.
=> The last time he played tennes was in 1990.
7.I haven’t met her for 2 months.
=> The last time I met her was 2 months ago.
B –
S + V QKĐ – start / begin + ………………… + ago
↔ S + V HTHT / HTHTTD + ………………… + since / for (bỏ start / begin)
Rewrite the following sentences, using the words given.
Ex: - He started workingfor this factory a year ago.
(He has been working for this factory since last year / for a year.
1.Tom began playing the piano 4 years ago.
=> Tom has been playing the piano for 4 years.
2. I started cooking for the party 4 hours ago.
=> I have been cooking for the party for 4 hours.
3. She started working as a secretary 2 years ago.
=> She has been working as a secretary for 2 years.
4. My father is reading a newspaper. He started 2 hours ago.
=> My father has been reading a newspaper for 2 hours.
5.My sister began to study English a year ago.
=> My sister has been studying English for 1 year.
6.Scientists began to fight against AIDS in 1980.
=> Scientists have been fighting against AIDS since 1980.
7.The Browns have been living in London for 20 years.
=> The Browns began to living in London 20 years ago.
8. John has worked for this electronics firm since 1999.
=> John started working for this electronics firm in 1999.
9. Women have been fighting for their rights since the middle of the 20thcentury.
=> Women began to fight for their rights in the middle of the 20th century.
10. Jack and Jill have learned to drive for 2 weeks.
=> Jack and Jill started learning to drive 2 weeks ago.
11. How long have you studied English?
=> When did you started studying English?
12. When did you begin to do research on lung cancer?
=> How long have you begun to do research on lung cancer?
C-
S + V HTHT – PĐ + ………… +before
↔ It / This is the first time + S + V HTHT – KĐ +………… (bỏ before)
Rewrite the following sentences, using the words given:
Ex : I haven’t seen that film before.
(It / This is the first time I have seen that film.
1.My father hasn’t driven a car before.
=> This is the first time my father has driven a car.
2.I’ve never met such a famous singer before.
=> It’s the first time I have met such a famous singer.
3.She has never been to the ballet before.
=> It’s the first time she has been to the ballet.
4.She hasn’t drunk Coca Cola before.
=> This is the first time she has drunk Coca Cola.
5.I have never read this book before.
=> It’s the first time I have read this book.
6.I have never met such an intelligent student before.
=> It’s the first time I have met such an intelligent student.
7.This is the first time my grandfather has been to
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. She left university two years ago .
- It is ____two years since she left university.___
2. Laurence hasn't seen her sister since she left for Japan .
- Laurence last ___saw her sister when she left for Japan .______
3. Lucy hasn't worn that dress since Barbara's wedding.
- The last time Lucy ___worn that dress was at Barbara's wedding.____
4. My mother started working at this school 25 years ago.
- My mother has___started working at this school for 25 years.____
5. I have never been to this entertainment park before.
- This is ____the first time I have ever been to this entertainment park_____
6. I haven't heart from him since August .
- The last time ___heart from him was in August . ____
7. I haven't seen him since I was a student .
- I last ____saw him when I was a student .______
8. The last time I played football was in 1970.
- I haven't ____played football since 1970.____
9.We haven't seen Tom since he moved to Bristol .
- We last _____saw Tom when he moved to Bristol ._____
10. This is the first time Bob has ever visited VietNam.
- Bob____has never visited VietNam before.______
HỌC TỐT 
QUÁ KHỨ ⇔ HIỆN TẠI HOÀN THÀNH :
1. She left university two years ago .
- It is two years since she left university.
2. Laurence hasn't seen her sister since she left for apan .
- Laurence last saw her sister when she left for Japan.
3. Lucy hasn't worn that dress since Barbara's wedding.
- The last time Lucy worn that dress was at Barbara's wedding.
4. My mother started working at this school 25 years ago.
- My mother has worked at this school for 25 years.
5. I have never been to this entertainment park before.
- This is the first time I have been to this entertainment park.
6. I haven't heart from him since August .
- The last time I heard from him in August.
7. I haven't seen him since I was a student .
- I last saw him when I was a student.
8. The last time I played football was in 1970.
- I haven't played football since 1970.
9.We haven seen Tom sincehe movied to Bristol .
- We last saw Tom when he movied to Bristol.
10. This is the first time Bob has ever visited VietNam.
- Bob has never visited Viet Nam before.
59. The last time I really enjoyed myself was your birthday party.
I haven’t __enjoyd__myself since your birthday party___________________________________________
60. It's nearly 20 years since my father saw his brother.
My father hasn’t __seen his brother for 20 years_______________________________________
61. When did you learn to drive?
How long is it __sicne you learned to drive________________________________________
62. The last time I went swimming was when we were in Spain.
I haven’t __gone swimming since we were in __Spain__________________________________________
63. You haven't tidied this room for weeks.
It’s weeks _since the last time you tidided_this room___________________________________________
64. We started looking for a flat 2 months ago and we are still looking.
We have _looked for a flat for 2 months____________________________________________
65. This is the first time I've been to a night club
I haven’t _been to a night club before_____________________________________________
66. They have never heard such a thing before.
This is the first time _they have heard such a thing_____________________________________
67. Noone has challenged his authority before.
This is the first time __Noone has challenged his authority____________________________________
68. She left university 2 years ago
It is _2 years since she left university_________________________________________________
69. My mother was the most warm-hearted person I've ever known.
I have _not met the most warm-hearted person my mother before________________________________________________
I haven't enjoyed myself since your birthday party
My father hasn't seen his brother for 20 years
How long is it since you learned to drive
I hasn't swum since we were in Spain
It's weeks since the last time you tidied this room
We have been looking for a flat for 2 months
I haven't been to a night club before
This is the first time they've heard such a thing
This is the first time one has challenged his authority.
It is for 2 year since she left university
I have never been to SaPa before (ever)
=> This is the first time I have ever been to Sa Pa.
The last time I saw him was in 2010.(seen)
=> I haven't seen him since 2010.
She has never seen the more amazing sight . (most)
=> It's the most amazing sight she has ever seen.
có thêm before ko bn