Circle  the correct  answer

Peter (used to/ was use to) drive to work but now he doesn’t

I didn’t (used to/ use to) eat with chopsiticks when I lived im America

Did they (used to/ use to) work in a big factory  before their retirement?

Mr Lam (used to/ use to)work in Janpan for 3 years

There (used to/ use to) be a lot of trees along this street

1 used to

2 use to

3 use to

4 used to

5 used to

* Cấu trúc : used to V (đã từng làm gì, đã từng là gì, trong quá khứ và không còn tiếp tục ở hiện tại)

(+) S + used to + V

(-) S + did not/ didn't + use to + V

(?) Did + S + use to + V?

`1.` used to

`2.` use to

`3.` use to

`4.` used to

`5.` used to

`-----------------`

`-` Cấu trúc Used to (Đã từng làm gì trong quá khứ ...) `:`

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

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

`(?)` Did `+` S `+` use to `+` V-inf `+` ... `?`

`@` Lưu ý: Be/Get used to `+` V-ing `:` Đã dần quen làm gì ...