1. Minh hasn’t written to his pen pal for five months
2. I haven’t visited Kuala Lumpur for 3 years
3. How long have you studied English?
4. They have built this house for 2 months
5. Myfather has worked in this factory for a week
6. When did he start working in the garden?
7. How long have you learnt music?
8. He has lived in HCM city since he was 8
9. He has learnt English since he was 18
10. They began working in that factory five years ago
11. My father hasn’ smoked for two years
12. We started learning English four years ago
13. My father has gived up smoking for a year
14. They started working in that factory in 2001
15. Lan didn't write to Maryam a month ago
16. He started living in HNoi when he was 12
17. I didn't meet her a long time ago
18. How long ago did you start learning French ?
19. When did you buy this car?
20. How long have you listened to classical music?
21. I haven't seen her for 10 years
