`**` Cấu trúc với động từ thường ở thì quá khứ đơn

`(+)` S + Ved/ V2

`(-)` S + did not + Vinf

`(?)` Did + S + Vinf + O?

Bài tập : 

1. see

2. hear

3.sleep

4. look

5. drink

6.think

7.catch

8.hide

9.find

10.break

1She saw your brother.

-:She didn't see your brother.

2We heard a terrible noise.

-:We didn't hear a terrible noise.

3He slept till 10.00.

-:He did sleep till 10.00.

4He looked at the picture.

-:HE didn't look at the picture

5They drank all the wine.

-:They didn't drink all the wine.

6.She thought about it.

-:She didn't think about it

9.She found her watch.

-:She didn't find her watch