Bài này bạn tự viết lại nhé. Sửa mỗi động từ trong ngoặc thôi
1. Have lived
2. Lived
3. Left - has worked
4. Has taught
5. Bought
6. Have you learnt
7. Haven't seen - said
8. Visited
9. Have learnt
10. Have been
11. Did you do
12. Have read
13. Was
14. Has taught - graduated
15. Was
16. Have had
17. Went
18. Moved - have been
19. Has come
20. Went
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1. We have lived here for fifteen years.
2. How long have you learnt English?
3. I haven't written a letter to my aunt since May.
