$\text{9. moved ( DHNB quá khứ đơn: in 2005)}$

- Cấu trúc: (+) S+ Vpp/ed

$\text{10. have been ( DHNB hiện tại hoàn thành: so far)}$

- Cấu trúc:(+) S+ have/has+VPp/ed

$\text{11. have gone (DHNB hiện tại hoàn thành: several times) }$

- Cấu trúc: (+) S+ have/has+Vpp/ed

$\text{12. didn't spend ( DHNB quá khứ đơn: last July) }$

- Cấu trúc:(-) S+ didn't+V(inf)

$\text{13. Did ...deliver...(DHNB quá khứ đơn: an hour ago)}$

- Cấu trúc:(+) Did+S+ V(inf)

$\text{14. hasn't finished ( DHNB hiện tại hoàn thành: yet) }$

- Cấu trúc:(-) S+ haven't/hasn't+Vpp/ed

$\text{15. heard (DHNB quá khứ đơn: a few minutes ago) }$

- Cấu trúc: (+) S+ Vpp/ed

$\text{16. haven't seen ( DHNB hiện tại hoàn thành: yet)}$

- Cấu trúc:(-) S+ haven't/hasn't+Vpp/ed

9) My uncle (move) moved to da lat in 2005

10)The Greens(be) have been to many countries in the world so far

11)We(go) have gone to that village to do volunteer work several times

12)We( not spend)hasn't spent our summer vacation in Ha Long Bay last July

13)The postman(deliver) delivered the letter half an hour ago.

14)Mai(not finish) hasn't finished her homework yet

15) I (hear) heard the good news from Mary a few minutes ago

16) I ( not see ) .hasn't seen your  brother yet