4. He is not a poor man any more, but he become a rich businessman. → He used ………………………………………………………………… 5. They didn’t often go to the cinema every Sunday last year. → They didn’t use …………………………………………………………… 6. My hair now is much longer than that in the past. → In the past my hair used ……………………………………………………………… 7. I don’t have time to collect stamps as when I was in primary school. → I used ………………………………………………………………… 8. Did you often go to the beach when you lived in Nha Trang? → Did you use ………………………………………………………………… 9. Mr. Hung often went to work by motorbike, but now he goes to work by bus. → Mr. Hung ………………………………………………………………… 10. There were traffic jams in this street during rush hours, but now the street become wider. → There ………………………………………………………………… giúp em với ạ

`4` He used to be a poor man , but now he is a rich businessman

`5` They didn’t use to go to the cinema every Sunday last year

`6` In the past my hair used to be much shorter than that now

`7` I used to collect stamp when I was in primary school

`8` Did you use to go to the beach when you lived in Nha Trang?

`9` Mr Hung used to go to work by motorbike, but now he goes to work by bus

`10` There used to be traffic jams in this street during rush hours, but now the street becomes wider

Giải thích

Cấu trúc

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

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

`(  ?  )` Did + S + use to + V-inf ?

Đáp án: 

4. He used to be a poor man, but he become a rich businessman now. 

5. They didn’t use to go to the cinema every Sunday last year.

6. In the past my hair used to be shorter. 

7. I used to collect stamps when I was in primary school. 

8. Did you use to go to the beach when you lived in Nha Trang?

9. Mr. Hung used to go to work by motorbike, but now he goes to work by bus

10. There used to be traffic jams in this street during rush hours, but now the street become wider. 

Phương pháp giải: 

S + used to + V 

S + didn't use to + V 

Did + S + use to + V?