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20 tháng 12 2023

3. I haven't done volunteer work for a month.

4. How long have you joined Be a Buddy?

5. He hasn't gone to Sapa before.

6. They lived here ten years ago.

20 tháng 12 2023

3 I haven't done volunteer work for a month

4 When did you join Be a Buddy?

5 He hasn't been to Sapa before

6 They started living here ten years ago

PAST SIMPLE TENSE + PRESENT PERFECT TENSE (3) Exercise 1: Choose the best answer to complete the following sentences 1. There _________ a serious food in this area last year. A. was B. has been C. were D. have been 2. She _________ me good health and success on my last birthday. A. wished B. wishes C. has wished D. wishing 3. The last time they __________Ha Noi was in 2008. A. visit B. visited C. visiting D. have visited 4. She __________her project yet. A. hasn’t finished B. has...
Đọc tiếp
PAST SIMPLE TENSE + PRESENT PERFECT TENSE (3) Exercise 1: Choose the best answer to complete the following sentences 1. There _________ a serious food in this area last year. A. was B. has been C. were D. have been 2. She _________ me good health and success on my last birthday. A. wished B. wishes C. has wished D. wishing 3. The last time they __________Ha Noi was in 2008. A. visit B. visited C. visiting D. have visited 4. She __________her project yet. A. hasn’t finished B. has finished C. finished D. didn’t finish 5. I __________English since I was a child. A. have learn B. has learnt C. learnt D. have learnt 6. Last week, I ___________Ha Long Bay with my family. A. visited B. visit C. am visiting D. have visited 7. She ___________five novels so far. A. have written B wrote C. writes D. has written 8. They first __________each other in 2009. A. meet B. met C. will meet D. have met 9. We have been good friends since we________at School. A. are B. were C. have been D. was 10. There ________an outbreak of coronavirus in the world lately. A. were B. was C. has been D. have been Exercise 2: Rewrite the following sentences using past simple and present perfect tenses. 11. I began watching TV three hours ago. A. I have watched TV for three hours. B. I have watched TV for three hours ago. C. I have watched TV since three hours. 12. The last time she ate fast food was in January. A. She has eaten fast food since January. B. She hasn’t eaten fast food since January. C. She hasn’t eaten fast food for January. 13. He has played soccer since three o’clock. A. He started to play soccer at three o’clock. 2 / 2 B. He started to play soccer three o’clock ago. C. He started to play soccer three o’clock before. 14. I haven’t met her for a long time. A. It’s a long time since I have met her. B. It’s a long time since I haven’t met her. C. It’s a long time since I last met her. 15. Tuan started to do his homework ten minutes ago. A. Tuan has done his homework since ten minutes. B. Tuan has done his homework for ten minutes. C. Tuan have done his homework for ten minutes. 16. When did you study English? A. How long have you studied English? B. How long did you study English? C. How long has you studied English? 17. They began building this house 2 months ago. A. They haven’t built this house for 2 months. B. They have built this house for 2 months ago. C. They have built this house for 2 months. 18. My father started to work in this factory last week. A. My father has worked in this factory in last week. B. My father has worked in this factory for last week. C. My father has worked in this factory since last week. 19. How long has he worked in the garden? A. When has he worked in the garden? B. When did he start to work in the garden? C. When did he started to work in the garden? 20. How long ago did you learn music? A. How long have you learnt music? B. How long have you started to learn music? C. How long did you learn music?
1
14 tháng 4 2020

PAST SIMPLE TENSE + PRESENT PERFECT TENSE (3) Exercise 1: Choose the best answer to complete the following sentences

1. There _________ a serious food in this area last year.

A. was B. has been C. were D. have been

2. She _________ me good health and success on my last birthday.

A. wished B. wishes C. has wished D. wishing

3. The last time they __________Ha Noi was in 2008.

A. visit B. visited C. visiting D. have visited

4. She __________her project yet.

A. hasn’t finished B. has finished C. finished D. didn’t finish

5. I __________English since I was a child.

A. have learn B. has learnt C. learnt D. have learnt

6. Last week, I ___________Ha Long Bay with my family.

A. visited B. visit C. am visiting D. have visited

7. She ___________five novels so far.

A. have written B wrote C. writes D. has written

8. They first __________each other in 2009.

A. meet B. met C. will meet D. have met

9. We have been good friends since we________at School.

A. are B. were C. have been D. was

10. There ________an outbreak of coronavirus in the world lately.

A. were B. was C. has been D. have been

Exercise 2: Rewrite the following sentences using past simple and present perfect tenses.

11. I began watching TV three hours ago.

A. I have watched TV for three hours.

B. I have watched TV for three hours ago.

C. I have watched TV since three hours.

12. The last time she ate fast food was in January.

A. She has eaten fast food since January.

B. She hasn’t eaten fast food since January.

C. She hasn’t eaten fast food for January.

13. He has played soccer since three o’clock.

A. He started to play soccer at three o’clock.

B. He started to play soccer three o’clock ago.

C. He started to play soccer three o’clock before.

14. I haven’t met her for a long time.

A. It’s a long time since I have met her.

B. It’s a long time since I haven’t met her.

C. It’s a long time since I last met her.

15. Tuan started to do his homework ten minutes ago.

A. Tuan has done his homework since ten minutes.

B. Tuan has done his homework for ten minutes.

C. Tuan have done his homework for ten minutes.

16. When did you study English?

A. How long have you studied English?

B. How long did you study English?

C. How long has you studied English?

17. They began building this house 2 months ago.

A. They haven’t built this house for 2 months.

B. They have built this house for 2 months ago.

C. They have built this house for 2 months.

18. My father started to work in this factory last week.

A. My father has worked in this factory in last week.

B. My father has worked in this factory for last week.

C. My father has worked in this factory since last week.

19. How long has he worked in the garden?

A. When has he worked in the garden?

B. When did he start to work in the garden?

C. When did he started to work in the garden?

20. How long ago did you learn music?

A. How long have you learnt music?

B. How long have you started to learn music?

C. How long did you learn music?

1.These shoes still need repairing.\ These shoes haven't ........ 2. How long is it since you last saw Mary? When..... 3, I was silly to say that. I wish...... 4. I have never had a cake as good as this. This is the best cake........ 5. This ís the last time I will speak to you I will not............ 6. Both Mary and Peter prefer coffe to tea. Neither Mary nor Peter..... 7. This is the first time I have ever been in London . I have never,........ 8, I have never visited this...
Đọc tiếp

1.These shoes still need repairing.\

These shoes haven't ........

2. How long is it since you last saw Mary?

When.....

3, I was silly to say that.

I wish......

4. I have never had a cake as good as this.

This is the best cake........

5. This ís the last time I will speak to you

I will not............

6. Both Mary and Peter prefer coffe to tea.

Neither Mary nor Peter.....

7. This is the first time I have ever been in London .

I have never,........

8, I have never visited this museum before,

This is first time............

9. He turned off the computer first, and then he left.

After he .................

10. Jane does not often see Mary.

Jane seldom........

11. Susan last visited her parents at the end of last May.

Susan has not.........

12. The last time i had a denatl appointment was sĩ months ago.

It has been ..........

13. They moved to London in 2009

They have.....

14. You drove so fast.

I wish.......

15. This pasta is a new experience for me .

It ís the first time......

16. This is his first visit to the US.

He is

17. How long has it been since you left your village?

When .........

18. My son has beenw working as an accountant for two years.

My son began............

19. How long have you worked on that program?

When .....

20. Tom has arranged to play badminton with me tomorrow.

Tom and I........

21. I happened to meet Peter on the way to work yesterday.

I unexpectedly......

22. Hardly a day góe by without my calling to Peter.

I ....

23. We did not understand that custom until Peter explained it to us.

It was not..........

2
27 tháng 1 2018

1.These shoes still need repairing.\

These shoes haven't been repaired yet

2. How long is it since you last saw Mary?

When was the last time you saw Mary ?

3, I was silly to say that.

I wish I had not said that

4. I have never had a cake as good as this.

This is the best cake I've ever had

5. This ís the last time I will speak to you

I will not speak to you anymore

6. Both Mary and Peter prefer coffe to tea.

Neither Mary nor Peter prefers coffee to tea

7. This is the first time I have ever been in London .

I have never been in London before

8, I have never visited this museum before,

This is first time I have ever visited this museum

9. He turned off the computer first, and then he left.

After he had turned off the computer , he left

10. Jane does not often see Mary.

Jane seldom sees Mary

11. Susan last visited her parents at the end of last May.

Susan has not visited her parents since the end of last May

12. The last time i had a dental appointment was six months ago.

It has been six months since I had a dental appointment

13. They moved to London in 2009

They have lived in London since 2009

14. You drove so fast.

I wish you to drive more slowly

15. This pasta is a new experience for me .

It is the first time I have ever experienced this pasta

17. How long has it been since you left your village?

When did you leave your village ?

18. My son has beenw working as an accountant for two years.

My son began to work as an accountant two years ago

19. How long have you worked on that program?

When did you begin to work on that program ?

20. Tom has arranged to play badminton with me tomorrow.

Tom and I are planning to play badminton tomorrow

21. I happened to meet Peter on the way to work yesterday.

I unexpectedly met Peter on the way to work yesterday

27 tháng 1 2018

2. How long is it since you last saw Mary?

When...did you see Mary?..

3, I was silly to say that.

I wish..I hadn't been silly to say that.....

4. I have never had a cake as good as this.

This is the best cake....I have had....

5. This ís the last time I will speak to you

I will not......speak to you after......

6. Both Mary and Peter prefer coffe to tea.

Neither Mary nor Peter..prefer tea to coffee..

7. This is the first time I have ever been in London .

I have never,..been in London before......

8, I have never visited this museum before,

This is the first time.......I have visited this museum.....

9. He turned off the computer first, and then he left.

After he .......he had turned off the computer first, he left...........

10. Jane does not often see Mary.

Jane seldom...sees Mary....

11. Susan last visited her parents at the end of last May.

Susan has not....visited her parents since the end of last May.....

12. The last time i had a denatl appointment was sĩ months ago.

It has been ....six months since I had a denatl appointment......

13. They moved to London in 2009

They have...moved to London since 2009..

14. You drove so fast.

I wish...you hadn't drive so fast....

17. How long has it been since you left your village?

When ....did you leave your village?.....

18. My son has beenw working as an accountant for two years.

My son began.......working as an accountant two years ago......

19. How long have you worked on that program?

When .....

20. Tom has arranged to play badminton with me tomorrow.

Tom and I........

21. I happened to meet Peter on the way to work yesterday.

I unexpectedly......

22. Hardly a day góe by without my calling to Peter.

I ....

23. We did not understand that custom until Peter explained it to us.

It was not..........

Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn How long is it since you rode a bicyde? When _______________________________________________________________ How long is it since he wrote to ỵou? When _______________________________________________________________ When did he last talk to you? How long ___________________________________________________________ When did you last telephone him? Hong long ___________________________________________________________ We...
Đọc tiếp

Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn

How long is it since you rode a bicyde?
When _______________________________________________________________
How long is it since he wrote to ỵou?
When _______________________________________________________________
When did he last talk to you?
How long ___________________________________________________________
When did you last telephone him?
Hong long ___________________________________________________________
We have never eaten this kind of food before.
It’s the ______________________________________________________________
This is the fìrst time I have seen this fìlm.
I have never __________________________________________________________
This is the first time he went abroad.
He hasn’t ____________________________________________________________
She started driving 1 month ago.
She has ______________________________________________________________

We began eating when it started to rain.
We have _____________________________________________________________
I last had my hair cut when I left her.
I haven’t _____________________________________________________________
The last time she kissed me was 5 months ago.
She hasn’t____________________________________________________________
It is a long time since we last met.
We haven’t___________________________________________________________
When did you have it ?
How long____________________________________________________________
This is the first time I had such a delicious meal .
I haven’t____________________________________________________________
I haven’t seen him for 8 days.
The last_____________________________________________________________
I haven’t taken a bath since Monday.
It is________________________________________________________________
It`s 2 years since I had a punture.
I have ____________________________________________________________________
It`s 2 months since he earned any money.
He has ___________________________________________________________________
He last shaved the day before yesterday.
He hasn’t _________________________________________________________________
I last drank champagne at my brother`s wedding.
I haven’t __________________________________________________________________
It`s 2 years since I was last in Rome.
I haven’t __________________________________________________________________
I saw Tom last on his wedding day.
I haven’t __________________________________________________________________
I last ate raw fish when I was in Japan.
I haven’t __________________________________________________________________
It`s years since Mary last spoke French.
Mary hasn’t ________________________________________________________________
It`s ten weeks since since I last had a good night sleep.
I haven’t __________________________________________________________________
He last paid taxes in 1970.
He hasn’t _________________________________________________________________
I last ate meat 5 years ago.
I haven’t __________________________________________________________________
It`s 3 months since since the windows were cleaned.
The windows haven’t ________________________________________________________
It`s years since I took photographs.
I haven’t __________________________________________________________________
I last watched TV on new years`s day.
I haven’t __________________________________________________________________

It`s 3 months since he wrote to me.
He hasn’t _________________________________________________________
The last time I was aboard was in the summer of 1978.
I haven’t __________________________________________________________
It`s ten years since that house was lived in.
That house ________________________________________________________
I haven`t seen him for 2 months.
I last _____________________________________________________________
I haven`t been to a concert for over a year.
The last time ____________________________________________________
The last time I really enjoyed myself was your birthday party.
I haven’t ________________________________________________________
It`s nearly 20 years since my father saw his brother.
My father hasn’t __________________________________________________
When did you learn to drive?
How long is it ____________________________________________________
The last time I went swimming was when we were in Spain.
I haven’t ________________________________________________________
You haven`t tidied this room for weeks.
It’s weeks _______________________________________________________
We started looking for a flat 2 months ago and we are still looking.
We have ________________________________________________________
This is the first time I`ve been to a night club
I haven’t ________________________________________________________
They have never heard such a thing before.
This is the first time ________________________________________________
Noone has challenged his authority before.
This is the first time ________________________________________________
She left university 2 years ago
It is _____________________________________________________________
My mother was the most warm-hearted person I`ve ever known.
I have ___________________________________________________________
I haven`t been able to see them for over a year.
It is _____________________________________________________________
It stared to rain at 2 o`clock.
It has ____________________________________________________________
I have never been to the ballet before.
It is ______________________________________________________________
John and Mary moved to Edinburgh twenty years ago.
It is ______________________________________________________________
The police started looking for him two months ago.
For two months now the ______________________________________________
I have never seen a dirtier-looking dog.
This is ____________________________________________________________

Mary rang hours and hours ago.
It it hours ___________________________________________________________
It is ages since Alan visited his parents.
Alan _______________________________________________________________

5
12 tháng 3 2018

Bài tập viết lại câu thì hiện tại hoàn thành và quá khứ đơn

How long is it since you rode a bicyde?

=>When did you ride a bicycle?

How long is it since he wrote to ỵou?

=>When did he write to you?

When did he last talk to you?

=>How long has he talked to you ?

When did you last telephone him?

=>How long have you telephoned him?

We have never eaten this kind of food before.

=>It’s the first time we have eaten this kind of food

This is the fìrst time I have seen this fìlm.

=>I have never seen this film before.

This is the first time he went abroad.

=> He hasn’t gone abroad before.

She started driving 1 month ago.

=>She has driven for 1 month.

We began eating when it started to rain.

=>We have eaten since it started to rain.

I last had my hair cut when I left her

=>I haven’t had my hair cut since I left her.

The last time she kissed me was 5 months ago.

=>She hasn’t kissed me for 5 months.

It is a long time since we last met.

=>We haven’t met for a long time.

When did you have it ?

=>How long have you had it?

This is the first time I had such a delicious meal .

=>I haven’t had such a delicious meal before.

I haven’t seen him for 8 days.

=>The last time I saw him was 8 days ago.

I haven’t taken a bath since Monday.

=>It is since Monday I last took a bath.
Its 2 months since he earned any money.

=>He has earned money for 2 months

He last shaved the day before yesterday.

=>He hasn’t shaved the day since yesterday.

Its 2 years since I was last in Rome.

=>I haven’t been to Rome for 2 years

I saw Tom last on his wedding day.

=>I haven’t seen Tom since on his wedding day

I last ate raw fish when I was in Japan.

=>I haven’t eaten raw fish since I was in Japan

Its ten weeks since since I last had a good night sleep.

=>I haven’t had a good night sleep for ten weeks

He last paid taxes in 1970.

=>He hasn’t paid taxes since 1970

I last ate meat 5 years ago.

=>I haven’t eaten eat for 5 years.

Its years since I took photographs.

=>I haven’t taken photographs for years.

I last watched TV on new years

=> I haven't watched TV since on new years.

Its 3 months since he wrote to me.

=>He hasn’t written to me for 3 months.

The last time I was aboard was in the summer of 1978.

=>I haven’t been abroad since the summer of 1978
Ihavent seen him for 2 months.

=> I last saw him 2 months ago.

Its 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 drive?

=>How long is it since you learned to drive?

The last time I went swimming was when we were in Spain.

=>I haven’t gone swimming since we were in Spain.

ThisisthefirsttimeIve been to a night club

=>I haven’t been to a night club before

They have never heard such a thing before.

=>This is the first time they have heard such a thing

Mary rang hours and hours ago.

=>It it hours since Mary rang

It is ages since Alan visited his parents.

=>Alan hasn't visited his parents for ages.

25 tháng 4 2018

How long is it since you rode a bicyde?

=>When did you ride a bicycle?

How long is it since he wrote to ỵou?

=>When did he write to you?

When did he last talk to you?

=>How long has he talked to you ?

When did you last telephone him?

=>How long have you telephoned him?

We have never eaten this kind of food before.

=>It’s the first time we have eaten this kind of food

This is the fìrst time I have seen this fìlm.

=>I have never seen this film before.

This is the first time he went abroad.

=> He hasn’t gone abroad before.

She started driving 1 month ago.

=>She has driven for 1 month.

We began eating when it started to rain.

=>We have eaten since it started to rain.

I last had my hair cut when I left her

=>I haven’t had my hair cut since I left her.

The last time she kissed me was 5 months ago.

=>She hasn’t kissed me for 5 months.

It is a long time since we last met.

=>We haven’t met for a long time.

When did you have it ?

=>How long have you had it?

This is the first time I had such a delicious meal .

=>I haven’t had such a delicious meal before.

I haven’t seen him for 8 days.

=>The last time I saw him was 8 days ago.

I haven’t taken a bath since Monday.

=>It is since Monday I last took a bath.
Its 2 months since he earned any money.

=>He has earned money for 2 months

He last shaved the day before yesterday.

=>He hasn’t shaved the day since yesterday.

Its 2 years since I was last in Rome.

=>I haven’t been to Rome for 2 years

I saw Tom last on his wedding day.

=>I haven’t seen Tom since on his wedding day

I last ate raw fish when I was in Japan.

=>I haven’t eaten raw fish since I was in Japan

Its ten weeks since since I last had a good night sleep.

=>I haven’t had a good night sleep for ten weeks

He last paid taxes in 1970.

=>He hasn’t paid taxes since 1970

I last ate meat 5 years ago.

=>I haven’t eaten eat for 5 years.

Its years since I took photographs.

=>I haven’t taken photographs for years.

I last watched TV on new years

=> I haven't watched TV since on new years.

Its 3 months since he wrote to me.

=>He hasn’t written to me for 3 months.

The last time I was aboard was in the summer of 1978.

=>I haven’t been abroad since the summer of 1978
Ihavent seen him for 2 months.

=> I last saw him 2 months ago.

Its 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 drive?

=>How long is it since you learned to drive?

The last time I went swimming was when we were in Spain.

=>I haven’t gone swimming since we were in Spain.

ThisisthefirsttimeIve been to a night club

=>I haven’t been to a night club before

They have never heard such a thing before.

=>This is the first time they have heard such a thing

Mary rang hours and hours ago.

=>It it hours since Mary rang

It is ages since Alan visited his parents.

=>Alan hasn't visited his parents for ages.

Chúc bn hok tốt !

9 tháng 12 2017

I. Complete the second sentence so that it has a similar meaning to the first sentence:

1. I haven't eaten this kind of food before.

=>This is the first ......time I have eaten this kind of food..............

2. My brother started working in that factory five years ago.

=> My brother has......worked in that factory for 5 years..............................

3. 'Can I borrow your bike, Nga ?', Nam askerd

=> Nam asked Nga......if he could borrow her bike............................

4. They haven't cleaned the streets this weed

=> The streets..............haven't been cleaned this week.............................

5. How long is it since they build the house?

=> When.............did they built the house ?......................................

6. You are not allowed to smok here.

=> Would you mind.......not smoking here ?............................

9 tháng 12 2017

I. Complete the second sentence so that it has a similar meaning to the first sentence:

1. I haven't eaten this kind of food before.

=> This is the first time I have eaten kind of food.

2. My brother started working in that factory five years ago.

=> My brother has worked in that factory for five years.

3. Can I borrow your bike, Nga ?', Nam askerd

=> Nam asked Nga if he could borrow her bike.

4. They haven't cleaned the streets this weed

=> The streets haven't been cleaned this week.

5. How long is it since they build the house?

=> When did they start building the house?

6. You are not allowed to smoke here.

=> Would you mind if I smoke?

14 tháng 8 2019

1. It is years since we last traveled abroad

-> We haven't traveled abroad for years.

2. I haven't watched TV for a week

-> The last time I watched TV is one week ago.

3. We bought this house 2 years ago

-> we have lived in this house for 2 years.

4. we have never met him before

-> it's the first time we have ever met him.

5. it started to rain at 2p.m

-> it has rained since 2p.m.

6. when did you start working here ?

-> how long have you worked here?

7. dave has written a composition for 2 hours

-> dave started to write a composition 2 hours ago.

8. how long have you been learning english ?

-> when did you start to learn english?

9. keith started driving a car five years ago

-> keith has driven a car for 5 years.

10. this is the first time i have ever eaten this kind of food

-> i have never eaten this kind of food.

14 tháng 8 2019

1. It is years since we last traveled abroad

- We haven't travelled abroad for years

2. I haven't watched TV for a week

- The last time I watched TV was a week ago

3. We bought this house 2 years ago

- we have bought this house for 2 years

4. we have never met him before

- it's the first time we have met him

5. it started to rain at 2p.m

- it has rained since 2pm

6. when did you start working here ?

- how long have you worked here ?

7. dave has written a composition for 2 hours

- dave started writing a composition 2 hours ago

8. how long have you been learning english ?

- when did you learn English ?

9. keith started driving a car five years ago

- keith has driven a car for 5 years

10. this is the first time i have ever eaten this kind of food -

i have never ate this kind of food before

#Yumi

1. the last time played chess was in 2000 - i have not ... 2. i have never met such a famous person before - it is ... 3. my friend's mother has been teaching english in this school for a long time - my friend's mother started ..... 4.she has never been so angry before - this is ... 5. the last time it snowed here was six years ago - it hasn't ... 6. he hasn't visited his parents for a year - it's ... 7. john and mary moved to edinburgh twenty years ago- it's now .... 8. john began...
Đọc tiếp

1. the last time played chess was in 2000 - i have not ...

2. i have never met such a famous person before - it is ...

3. my friend's mother has been teaching english in this school for a long time - my friend's mother started .....

4.she has never been so angry before - this is ...

5. the last time it snowed here was six years ago - it hasn't ...

6. he hasn't visited his parents for a year - it's ...

7. john and mary moved to edinburgh twenty years ago- it's now ....

8. john began playing the piano ten years ago - john has ...

9. i have never read such a romantic story - this is ...

10. they last visited me five years ago - they havn't ....

11. he hasn't been back to his homework for 20 years now - it's ...

12. it's nearly twenty years since my father saw his brother - my father ...

13. when did you last ride a bike ? - how long ...

14. we haven't been to london since 1998 - the last ...

15. my wait in the queue has lasted forty minutes so far - i ...

16. i've never seen such a bad film as that one . - that's ....

17. the last time nancy came here was in 1968 - nancy hasn't ...

18. how long have they lived in this city ? - how long ago ...

19. whe did you frist know him ? - how ...

20. philips went on a trip around the world three years ago - it's ..

21. i'm asking you this quesion for the third time - this is ...

22. after that she never got in touch with him - that was the ...

23. we haven't had a party since last christmas - the last time ...

24. she began playing piano six years ago - she has ...

25. when did you last meet him ? how long ...

1
14 tháng 8 2019

1. the last time played chess was in 2000

- i have not played chess since 2000.

2. i have never met such a famous person before

- it is the first time i have ever met such a famous person.

3. my friend's mother has been teaching english in this school for a long time

- my friend's mother started teaching english in this school a long time ago

4.she has never been so angry before

- this is the first time she has been so angry.

5. the last time it snowed here was six years ago

- it hasn't snowed here for six years.

6. he hasn't visited his parents for a year

- it's year since he last visited his parents.

7. john and mary moved to edinburgh twenty years ago

- it's now twenty years since John and Mary moved to Edinburgh.

8. john began playing the piano ten years ago

- john has played the piano for ten years.

9. i have never read such a romantic story

- this is the most romantic story I have ever read.

10. they last visited me five years ago

- they haven't visited me for five years.

11. he hasn't been back to his homework for 20 years now

- it's now 20 years since he last go back to his homework.

12. it's nearly twenty years since my father saw his brother

- my father hasn't seen his brother for nearly twenty years.

13. when did you last ride a bike ?

- how long have you not ridden a bike?

14. we haven't been to london since 1998

- the last time we went to London was in 1998.

15. my wait in the queue has lasted forty minutes so far

- i have been waiting in the queue for forty minutes.

16. i've never seen such a bad film as that one .

- that's the worst film I have ever seen.

17. the last time nancy came here was in 1968

- nancy hasn't come here since 1968.

18. how long have they lived in this city ?

- how long ago did they start to live in this city?

19. when did you first know him ?

- how long have you known him?

20. philips went on a trip around the world three years ago

- it's 3 years since philips went on a trip around the world.