1. have learnt
2. has lived
3. has moved
4. has worked
5. have you seen...
6. haven't finish
7. ate
8. sent
9. didn't meet
10. has bought
bài 2:
Past simle: yesterday, ago, last week, yesterday morning.
Present simle: always, usually, ofen, recently, sometimes, everyday, occasionally, monthly, weekly, yearly, lately.
Present perfect: for, since, just, in 2010, yet, never, so far, ever.
Bài 3:
1. do-did-done
2. go-went-gone
3. learn-learnt-learnt
4. buy-bought-bought
5. send-sent-sent
6. sell-sold-sold
7. tell-told-told
8. speak-spoke-spoken
9. say-said-said
10. eat-ate-eaten
11. meet-met-met
12. see-saw-seen
13. make-made-made
14. build-built-built
#ctlhn
