* Các câu trên đều có dấu hiệu thì QKD nên ta sẽ chia theo thì:

11. Was , wasn't ( chia be mà he số ít nên dùng was)

12. Was , wasn't ( tương tự câu trên )

13. was ( Nam số ít dùng was)

14. was ( tương tự )

15. remembered ( S + Ved/2)

16. ate ( eat - ate - eaten)

17. took ( take - took - taken)

18. had ( have - had - had )

19. didn't buy ( thể phủ định ko có động từ tobe thì dùng didn't + V)

20.  didn't talk (tương tự)

Chuc e hoc tot

`C`ấu trúc chủ yếu : Thì QKĐ :

`-` KĐ : S + Ved / V2 `-` S + was / were + adj / n

`-` PĐ : S + didn't + V `-` S + wasn't / weren't + adj / n

`-` NV : Did + S + V ? `-` Was / Were + S + adj / n ?

`=>` `DHNB` : yesterday , ago , last , ...

`11 + 12`.Was / wasn't

`13 + 14`.was

`15`.remembered

`16`.ate

`17`.took

`18`.had

`19`.didn't buy

`20`.didn't talk