1. They have built this house for 2 months.

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

3. He has lived in Ho Chi Minh City since he was 8.

4 He has learnt English since he was 18.

5. They began working in that factory 5 years ago.

6. We started learning English 4 years ago.

7. My father has given up smoking since last year.

8. They started working in that factory since 2001.

9. Lan didn't write to Maryam a month ago.

10. He started living in Hanoi when he was 12.

11. I didn't see her a long time ago.

12. How long ago did you learn French ?

13. When did you buy this car /

14. How long have you started listening to classical music ?

15. I haven't seen her for 10 years.

1. They have built this house for 2 months.
2. My father has worked in this factory since last week.
3. He has lived in Ho Chi Minh City since he was 8.
4. He has learned English since he was 18.
5.They began working in that factory 5 years ago.
6. We started learning English 4 years ago.
7. My father has given up smoking since last year.
8. THey started working in that factory since 2001.
9. Lan didn't write to Maryam a month ago.
10. He started living in Hanoi when he was 12
11. I didn't see her for a long time ago.
12. How long ago did you learn French ?
13. When did you buy this car ?
14. How long have you started listening to classical music ?
15. I haven't seen her for 10 years.