Lm nhanh và đúng giúp kik nha ( nếu có dấu hiệu thì càng tốt )

`1.` They used to live in Ha Noi some years ago.

`2.` John used to smoke cigarettes a lot when he was young.

`3.` Miss Chi used to teach us English when we were students.

`4.` Ronaldo used to be a football player of Manchester United 10 years ago.

`5.` My father used to take me to the city when I was a child.

`6.` He used to be a secretary for my company.

`7.` Linda used to be late in class.

`8.` Her brother used to smoke cigarettes.

`9.` He used to feed the pigs when he was young.

`10.` There used to be old buildings in this city.

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

`-` 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

`=>` Dùng để chỉ những hành động, thói quen thường xảy ra trong quá khứ nhưng không còn nữa ở hiện tại. 

1. live in Ha Noi some years ago

2. smoke cigarettes a lot when he was young

3. teach us English when we were students

4. used to be a football player of Manchester United 10 years ago

5. take me to the city when I was a child

6. be a secretary for my company

7. be late in class

8. to smoke cigarettes

9. to feed the pigs when he was young

10. to be old buildings in this city

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--> used to + V-bare: thói quen trong quá khứ, giờ không còn