- used to $+$ $V$ $(Bare)$: Dùng để diễn tả hành động đã xảy ra và kết thúc trong quá khứ, không còn xảy ra ở hiện tại. Nói cách khác là trong quá khứ mình đã từng làm hành động này nhưng bây giờ thì không làm nữa.

*Cấu trúc:

$(+)$ S + used to + V (Bare).

$(-)$ S + didn't use to + V (Bare).

$(?)$ Did + S + use to + V (Bare) + $?$.

$--------$

$1.$ Where did you use to go to school?

$2.$ I didn't use to like vegetables when I was a child.

$3.$ My sister used to hate Maths at school

$4.$ What did you use to do in the summer?

$5.$ They didn't use to live near here.

$6.$ This building used to be a cinema.

$7.$ Did your brother use to study here?

`1` Where did you use to go to school?

`2` I didn't use to like vegetables when I was a child

`3` My sister used to hate Maths at school

`4` What did you use to do in the summer?

`5` They didn't use to live near here

`6` This building used to be a cinema

`7` Did your brother use to study here?

Giải thích

Cấu trúc

`(+)` S + used to + V-inf

`(-)` S + didn't + use to + V-inf

`(  ?  )` Did + S + use to + V-inf ?