`10.` 

`(+)` Last year i earned 10000 dollars

`(-)` Last year i didn't earn 10000 dollars

`(?)` Did you earn 10000 dollars last year ?

`11.` 

`(+)` The train stopped 5 hours ago

`(-)` The train didn't stop 5 hours ago

`(?)` Did the train stop 5 hours ago ?

Cấu trúc của thì QKĐ : 

Khẳng định :  S + V(ed/pp2) + O

Phủ định : S + didn't + V(o) + O

Nghi vấn : Did + S + V(o) + O ?

`10`, DHNB : last year

`->` chia TQKĐ

`=>` Đáp án : 

`-` Last year I earned 10000 dollars

`-` Last year I didn't  earn 10000 dollars

`-` Did you earn 10000 dollars last year?

`11`, DHNB : ago

`->` chia TQKĐ

`=>` Đáp án : 

`-` The train  stopped 5 hours ago.

`-`The train didn't stop 5 hours ago.

`-` Did the train stop 5 hours ago?

`-` Cấu trúc :

`+)` S + ved/V2

`-)` S + didn't + V

`?)` Did + S + V ?