5. They began working in that factory five years ago
S + have/has + V3/-ed hoặc been + V-ing + since/for …
⇒ S + began/ started + V-ing/to V + [thời gian] ago
6. We started to learn English 4 years ago.
S + have/has + V3/-ed hoặc been + V-ing + since/for …
⇒ S + began/ started + V-ing/to V + [thời gian] ago
7. My father has given up smoking since last year.
S + began/ started + V-ing/to V + [thời gian] ago
⇔ S + have/has + V3/-ed hoặc been + V-ing + since/for …
8. They started working in that factory in 2001
S + have/has + V3/-ed hoặc been + V-ing + since/for …
⇒ S + began/ started + V-ing/to V + [thời gian] ago
9. Lan didn’t write to Mary last month.
S + did not + V(nguyên mẫu)
10. He started living in Hanoi when he was 12
S + have/has + V3/-ed hoặc been + V-ing + since/for …
⇒ S + began/ started + V-ing/to V + [thời gian] ago
11. I didn't meet her a long time ago.
S + did not + V(nguyên mẫu)
12. How long ago did you learn French?
when: thì dùng quá khứ đơn
How long: thì dùng hiện tại hoàn thành
13. When did you buy this car?
when: thì dùng quá khứ đơn
How long: thì dùng hiện tại hoàn thành
14. How long have you listened to classical music?
when: thì dùng quá khứ đơn
How long: thì dùng hiện tại hoàn thành
15. I haven't seen her for 10 years.
S + V2/-ed + …
⇔ S + have/has + been + V-ing + since/for + …
