`6.` Did she go home late last night?

`7.` He was fat when he was a baby.

`8.` When did you go to bed last night?

`9.` I didn't play football last Sunday.

`10.` My mother bought a phone 2 days ago.

_______________________________________________

Cấu trúc thì quá khứ đơn:

+ Với động từ thường:

(+) S+V2/V_ed+...

(-) S+didn't+Vinf+...

(?) Yes/No question: Did+S+Vinf+...?

     Wh question: Wh word+did+S+Vinf+...?

+ Với động từ tobe:

(+) S+was/were+adj/N/preposition+...

(-) S+was/were+not+adj/N/preposition+...

(?) Yes/No question: Was/Were+S+adj/N/preposition+...?

     Wh question: Wh word+was/were+S+adj/N/preposition+......?

1. Did she go home late last night?

2. He was fat when he was baby.

3. When did you do to bed last night?

4. I didn't play football last Sunday.

5. My mother bought phone 2 days ago.

-> Cấu trúc thì Quá khứ đơn:

- với động từ thường:

(+) S + Ved/V2

(-) S + didn't + V

(?) Did + S + V?

- với tobe:

(+) S + was/were

(-) S + wasn't/weren't

(?) Was/Were + S...?

+ Chủ ngữ: I/ he/ she/ it/ N(số ít) -> tobe "was"

+ Chủ ngữ: They/ we/ you/ N(Số nhiều) -> tobe "were"

- Dấu hiệu: yesterday, last (night, week, month..), in + thời gian , thời gian + ago......... 

- Dùng để diễn tả một hành động hay sự việc diễn ra đã kết thúc trong quá khứ.