When did you begin to learn German?

It isn't nesscary for you to go to school so early.

- You don't need to go to school so early.             Hiện tại đơn

when did you start to learn english

- how long have you learnt English?               Hiện tại hoàn thành

- How long has she worked for an ABC bank?

- when did she start working for an ABC bank?                     - Qúa khứ đơn

when did you first know that teacher?

- how long have you known that teacher?                           - HTHT

she started to play the guitar two months ago?

- she has played the guitar for two months.                       - HTHT

1 How long have you been learning English?

2 How long has your father had that car?

1. How long have you done your homework?

2, How long is it since you began to play for the school soccer team?

Quá khứ & hiện tại hoàn thành

1.When did you start learning English?

-->How long_____have you learnt English?____

2.How long is it since you began to play for manchester team?

-->When__did you play for manchester team ?_______

3.When did mary go shopping with my aunt?

-->How long is it____since mary last went shopping with my aunt ? __

4.How long have you worked for ABC bank?

-->How long ago____did you work for abc bank?__

5.When did you begin to play for the school soccer team?

-->How long____have you played for the school soccer team ?__

6.How long have they worked this kind of job?

-->When___did they work this kind of job?___

7.How long ago did you last see peter?

-->How long is it__since you last saw peter?__

8.When did he begin to teach English at this school?

-->How long__has he taught English at this school?__

9.How long have they got engaged?

-->When___did they get engaged?__

10.When did your family start to live in the city?

-->How long____has your family lived in the city?___

11.We haven't eaten this kind of food before.

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

12.this is the firs time i have gone to Vung Tau.

-->I have never..gone to Vung Tau before...

13.This is his firs travel to HCM city.

-->This is the first time..he has travelled to HCM city..

14.This is the firs time we have tasted such delicious food.

-->We have never..tasted such delicious food before..

15.I have never written a letter to a foreigner before.

-->It is the first time..I have written a lettter to a foreigner .

16.This is the firs time she has attended the club.

-->She has never..attended the club before..

17.My sister has not come to Peter's house before.

-->This is the first time..my sister has come to Peter's house.

18.I have never seen a dirtier-looking dog before.

-->This is the first.time I have seen a dirtier-looking dog..

19.This is the first time we haven't tasted such delicious food

-->We haven't.tasted such delicious food before..

20.This is the first time I have written such a long letter.

-->I have never...written such a long letter..

=> How long have you learnt English?
=>How long ago did you start to learnt English?
=>How long is it since you started to leant English?

When did you start to learn English?

=> How long have you learnt English?

=> How long ago did you start to learn English?

=> How long is it since you started to learn English?

1. When did you sell that car ?

2. When did you see her ?

3. When did you eat some meat?

4. When did you work as a waiter here ?

-> How long is it since you started learning English?

-> How long have you been studying English for?

-> How long ago did you start learning English?