Cấu trúc thì QKĐ:

`-` Động từ thường:

`(+)` S + V2 + O....

`(-)` S + didn't + V_inf + O....

`(  ?  )` (W/H-ques) + Did + S + V_inf + O...?

`-` Động từ tobe:

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

`(-)` S + wasn't/weren't + N/adj/....

`(  ?  )` Was/Were + S + N/adj/....?

`+` Chủ ngữ số ít và I dùng was.

`+` Chủ ngữ số nhiều và you dùng were.

`-------→`

`20`. got

`21`. did (you) go

`22`. didn't go

`23`. were

`24`. bought

`25`. did (you) leave

`26`. were

`27`. didn't go

`28`. left

`29`. flew

`30`. came

`31`. stayed

`32`. was

`33`. didn't eat

`34`. wasn't

`35`. talked 

`@` Công thức QKĐ : 

Đối với động từ thường

`+)` S + V2/ed + O

`-)` S + didn’t + V_inf + O

`?)` Did + S + V_inf + O?

`-` Đối với động từ “to be”

`+)` S + was/were + O

`-)` S + was/were + not + O

`?)` Was/were + S + O?

`-` DHNB : 

Các từ thường xuất hiện:

`-` Ago: cách đây…

`-` In…

`-` Yesterday: ngày hôm qua

`-` Last night/month…: tối qua, tháng trước

`--------------------` 

`20`. He got up at 7 o'clock yesterday.

`21`. What time did you go to bed last night?

`22`. She didn't go to work last weekend.

`23`. We were in the library yesterday.

`24`. Hoa bought a lot of things for her birthday party.

`25`. What time did you leave home for school yesterday?

`26`. It was hard carrying the bags. They were very heavy.

`27`. I didn't go to school yesterday, because it was Sunday.

`28`. I was very tired, so I left the party early.

`29`. The window was open and a bird flew into the room.

`30`. My sister came home late last night.

`31`. I stayed at my mom's home yesterday.

`32`.My holiday in Nha Trang last summer was wonderful.

`33`. We weren't hungry, so we didn't eat anything.

`34`. I went to Thu's house but she wasn't home.

`35`. We talked about their holiday in Ho Chi Minh city.