`1)`

`( ? )` Did the train arrive late yesterday?

`( + )` The train arrived late yesterday

`2)`

`( - )` There wasn't anything left in the fridge

`( ? )` Was there anything left in the fridge?

Áp dụng `:`

`( + )` S + Ved/V2  + O

`( - )` S + didn't + `V_0` + O

`( ? )` Did + S + `V_0` + O?

`- -- - - -  - -`

$\text{@Tnhye@}$

`(?)` Did the train arrive late yesterday `?`

Trả lời : `(+)` The train arrived late yesterday `.`

Cấu trúc : S + V_ed + ...

`(-)` There wasn't anything left in the fridge

Trả lời : `(?)` Was there anything left in the fridge `?`

Cấu trúc : Was + S + O `?`

`~My~`