It is a long time since we last  met.

=> We have not  met for a long time.

It is a long time since we last  met.

\(\Rightarrow\)We have not met for a long time

chị ơi , câu 2 là câu phủ định mà chị 

1. We started learning English 10 years ago

2. We last met a long time ago

3. Ms Ann took part in any voluntary programs 4 years ago

4. The last time I met my family was last Christmas

5. When did you start living here ?

6.  The volunteers provided free food and fresh water to homeless people yesterday

7. The doctor quitted his job in the local hospital and move to the central  hospital 2 days ago

8. The last time the children had a long vacation was last year

9. The last time they visited their parents was 3 months ago

10. We broke up 2 years ago

. Chuyển các câu sau từ thì hiện tại hoàn thành sang thì quá khứ đơn sao cho nghĩa của câu không thay đổi.

1. We have learned English for 10 years.

=> _____________________ We started learning English 10 years ago. _______________________________________________.

2. It has been a long time since we last met.

=> ____________________ The last time we met was a long time ago.________________________________________________.

3. Ms. Ann hasn’t taken part in any voluntary programs for 4 years.

=> ___________________  The last time Mr.s Ann took part in many voluntary programs was 4 years ago._________________________________________________.

4. I haven’t mer my family since last Christmas.

=> __________________________ The last time I met my family was (the) last Christmas.__________________________________________.

5. How long have you lived here?

=> _______________________ When did you start living here ?_____________________________________________.

6. The volunteers have provided free food and fresh water to homeless people since yesterday.

=> ___________________ The volunteers provided free food and fresh water to homeless people yesterday. _________________________________________________.

7. The doctor has quitted his job in the local hospital and moved to the central hospital for 2 days.

=> _____________________ The doctor quitted his job in the local hospital and moved to the central hospital 2 days ago. _______________________________________________.

8. The children haven’t had a long vacation since last year.

=> ___________________________  The last time the children had a long vacation was last year. _________________________________________.

9. They haven’t visited their parents for 3 months.

=> _____________________ The last time they visited their parents was 3 months ago._______________________________________________.

10. It has been 2 years since we broke up.

=> ___________________ We broke up 2 years ago. _________________________________________________.

1. We have learned English for 10 years.

=> _____________________ We started learning English 10 years ago. _______________________________________________.

2. It has been a long time since we last met.

=> ____________________ The last time we met was a long time ago.________________________________________________.

3. Ms. Ann hasn’t taken part in any voluntary programs for 4 years.

=> ___________________  The last time Mr.s Ann took part in many voluntary programs was 4 years ago._________________________________________________.

4. I haven’t mer my family since last Christmas.

=> __________________________ The last time I met my family was (the) last Christmas.__________________________________________.

5. How long have you lived here?

=> _______________________ When did you start living here ?_____________________________________________.

6. The volunteers have provided free food and fresh water to homeless people since yesterday.

=> ___________________ The volunteers provided free food and fresh water to homeless people yesterday. _________________________________________________.

7. The doctor has quitted his job in the local hospital and moved to the central hospital for 2 days.

=> _____________________ The doctor quitted his job in the local hospital and moved to the central hospital 2 days ago. _______________________________________________.

8. The children haven’t had a long vacation since last year.

=> ___________________________  The last time the children had a long vacation was last year. _________________________________________.

9. They haven’t visited their parents for 3 months.

=> _____________________ The last time they visited their parents was 3 months ago._______________________________________________.

10. It has been 2 years since we broke up.

=> ___________________ We broke up 2 years ago

1. She has not came back to her hometown for 4 years.

2. He has worked as a bank clerk for 3 months.

3. I has just cut my hair since november.

4. We have not called each other for 5 month.

5. When have you had it?

\(:>>\)

1. She started driving 1 month ago.

=> She has DROVE FOR 1 MONTH.

2. We began eating when it started to rain.

=> We have EATEN SINCE IT STARTED TO RAIN.

3. I last had my hair cut when I left her.

=> I haven't CUT MY HAIR SINCE I LEFT HER.

4. The last time she kissed me was 5 months ago.

=> She hasn't KISSED ME FOR 5 MONTHS.

5. It is a long time since we last met.

=> We haven't MET FOR A LONG TIME.

1. She has driven for 1 month.

2. We have eaten since it started to rain.

3. I haven't had my hair cut since I lelf her,

4. She hasn't kissed we for 5 months.

5. We haven't met for a long time

We have eaten since it started to rain 

1) This is the first time he went abroad.

=> He hasn't gone abroad before

2) She started driving 1 month ago.

=> She has drived for 1 month

3) We began eating when it started to rain.

=> We have eaten since it started to rain.

4) I last had my hair 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 since 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

9) I haven't seen him for 8 days.

=> The last  I saw him was 8 days ago

10) I haven't taken a bath since Monday.

=> It is 

Bởi vì ta thấy như sau

meet -> met ( quá khứ đơn) -> met ( quá khứ phân  từ)

vì vậy mà khi nào thầy (cô) nói vpll ở thì hiện tại hoàn thành có nghĩa là chia ở quá khứ phân từ nên câu trên là đúng rồi đó

mình nghĩ vậy thôi

met là quá khứ phân từ nhé đừng nhầm với met ở quá khứ đơn