11. I (not go) ___didn't go___ to school last Sunday.(Dấu hiệu)

Thì QKĐ

S+didn't+V(-)
12. She (not go) ......didn't go....... to school yesterday.

Thì QKĐ
S+didn't+V(-)
13. It (not/ rain) ______didn't rain_____yesterday.

Thì QKĐ
S+didn't+V(-)
14. Tuan and Tu _____don't help______their brother. (not/to help)

Thì HTĐ

Trường hợp số nhiều:

      S+don't+V(-)

15. The children ____weren't_______at home last sunday. (not/to be)

Thì QKĐ

S+were+...(+)

1. I (not go) didn't go to school last Sunday.

2.She (not go) didn't go to school yesterday

3.It (not/ rain)didn't rain yesterday.

4.Tuan and Tu didn't help their brother. (not/to help)

5.The children were not at home last Sunday(not/to be)

---->Các từ:last Sunday,yeterday là dấu hiệu của thì quá khứ đơn

*Bonus:

Công  thức thì quá khứ đơn:

(+)S+past tense

(-)S+didn't+V

(?)Did+S+V?

Chúc em học tốt ^^