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1.I haven’t eaten this kind of food before.
A. This is the first time I eat this kind of food.
B. This is the first time I have eaten this kind of food.
C. This is the last time I have eaten this kind of food.
D. This is the last time I eat this kind of food.
2. The last time I saw her was a week ago.
A. I haven’t seen her for a week.
B. I haven’t seen her a week ago.
C. I didn’t see her for a week.
D. I didn’t see her a week ago.
3. I couldn’t read the letter because it was dark.
A. I couldn’t read the letter because the darkness.
B. I couldn’t read the letter because darkness was.
C. I couldn’t read the letter because of darkness.
D. I couldn’t read the letter because of the darkness.
4. I can’t sleep because of the hot weather.
A. I can’t sleep because the weather is hot.
B. I can’t sleep because the weather was hot.
C. I can’t sleep because the hot weather is.
D. I can’t sleep because the hot weather.
5 They last saw me five years ago.
A. They haven’t seen me since five years ago.
B. They haven’t seen me since five years
C. They haven’t seen me for five years
D. They haven’t seen me for five years ago.
6. My brother likes listening to pop music.
A. My brother is interesting in listening to pop music.
B. My brother is interesting on listening to pop music.
C. My brother is interested in listening to pop music.
D. My brother is interested on listening to pop music.
7. It is very challenging for someone to climb the mountain alone.
A. Someone find climbing the mountain alone challenging.
B. Someone finds climbing the mountain alone challenging.
C. Someone finds it is challenging to climb the mountain alone.
D. Someone find it challenging to climb the mountain alone.
8. This is the first time I have watched “Iron man ”
A. I watched “Iron man ” ago.
B. I have watched “Iron man ” before.
C. I have ever watched “Iron man ” before.
D. I have never watched “Iron man ” before.
9. Ann thinks arranging flowers is much more interesting than bird-watching.
A. Ann thinks watching birds is more interesting than arranging flowers.
B. Ann doesn’t think arranging flowers is much more interesting than bird-watching.
C. Ann doesn’t think bird-watching is as interesting as arranging flowers.
D. Ann thinks arranging flowers and bird-watching are very interesting.
10. Phong started to collect old coins five years ago.
A. Phong has collected old coins for five years.
B. Phong has started to collect old coins for five years.
C. Phong likes collecting old coins.
D. Phong collected old coins five year ago.
1 B. This is the first time I have eaten this kind of food.
2 A. I haven’t seen her for a week.
3 D. I couldn’t read the letter because of the darkness.
4 A. I can’t sleep because the weather is hot.
5 C. They haven’t seen me for five years.
6 C. My brother is interested in listening to pop music.
7 B. Someone finds climbing the mountain alone challenging.
8 C. I have ever watched “Iron man” before.
9 C. Ann doesn’t think bird-watching is as interesting as arranging flowers.
10 A. Phong has collected old coins for five years.
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.
a. This is the first time he went abroad.
=> He hasn't…gone abroad before……………………………
b. I haven’t seen my old friend for two years.
-> I last ….saw my old friend 2 years ago
c. She was sick, so she could not go to school yesterday.
→ Because ……she was sick, she couldn't go to school yesterday. …………………………………………………………………
d. My sister is interested in reading comics.
→ My sister enjoys............reading comics........................................................................................
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.
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.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 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
chuyển đổi thì hiện tại hoàn thành sang quá khứ đơn
1 How long have you been here?
-> When did you go here?
2 this is the first time I have seen such a beautiful girl
-> I have never seen such a beautiful girl before.
3 I haven't gone to school for 4 months because of covid-19
-> The last time I went to school was 4 months ago because of covid-19
4 I have never visited Halong Bay before
-> This is the first time I have visited Halong Bay.
5 I haven't cheated in exam for years
-> It is years since I last cheated in exam
6 I have married for 10 years
-> I started marrying 10 years ago.
7 How long have she lived in Danang
-> When did she start living in Danang?
8 He hasn't smoked for 2 years
-> He last smoked 2 years ago.
9 I have learnt french for 3 years
-> I began learning French 3 years ago.
10 I haven't met her for 5 days
-> I last met her 5 days ago.
Write the second sentence so that it has the same meaning as the first one
1.I've never seen such a boring movie
-It is.............the first time I have seen such a boring movie.........................................................
2.There are a few eggs in the fridge\
-There are not .......many eggs in the fridge.............................
3.They have lived there for two year
-They started.........living there two years ago.............................
4.This is the first time I have drunk cocktail
-I have never...........drunk cocktail before............................
5.This exercise is easier than the last one
-This exercise is not........as difficult as the last one.............
6,I'm bored of playing computer games
-I find.......playing computer games boring.........................
7.The new building is as high as the old one
-The new building is the same ......price as the old one................
8.She had no eggs,so she didn't make an omelette
-She didn't have......any eggs, so she didn't make an omelette............................
Write the second sentence so that it has the same meaning as the first one
1.I've never seen such a boring movie
-It is........................the most boring film I have ever seen..............................................
2.There are a few eggs in the fridge\
-There are not ..a lot of eggs in the fridge.................................
3.They have lived there for two year
-They started......living there 2 years ago................................
4.This is the first time I have drunk cocktail
-I have never.......drunk coktail before................................
5.This exercise is easier than the last one
-This exercise is not........as difficult as the last one.............
6,I'm bored of playing computer games
-I find..................playing computer games bored..............
7.The new building is as high as the old one
-The new building is the same ...high as the old one...................
8.She had no eggs,so she didn't make an omelette
-She didn't have........any eggs, so she didn;t make an omelette..........................
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.