`-` `\text{S + used to + V :}` Đã từng

`-` `\text{S + didn't use to + V :}` Không từng

`-` `\text{Did + S + use to + V :}` Đã từng `?`

`4`.My father used to smoke , but he gave up five years ago

`5`.Lily didn't use to cook much , but now she makes dinner every day

`6`.Did there use to be a supermarket at the corner ?

`7`.People didn't buy so much stuff as they do today

`8`.Did you use to play football or basketball at school ?

`9`.I used to go to bed very late but not anymore !

`10`.Which TV programme did you use to watch the most when you were little ?

`\text{@ TheFox}`

4.My father used to smoke , but he gave up five years ago

5.Lily didn't use to cook much , but now she makes dinner every day

6.Did there use to be a supermarket at the corner ?

7.People didn't buy so much stuff as they do today

8.Did you use to play football or basketball at school ?

9.I used to go to bed very late but not anymore !

10.Which TV programme did you use to watch the most when you were little ?