Nhắc đến cấu trúc của used to nhé :
Khẳng định (+) S + used to + V
Phủ định (-) S did not + use to + V
Nghi vấn (?) Did + S + use to + V?
1. I used to walk to school
2. He used to make many mistakes
3. Tom used to be a good employee
4. My friend used to drive very carelessly
5. That women used to live alone
6. He used to be a famous actor
7. All the meetings used to hold in auditorium
8. I never used to catch a bad cold
9. My father used to manage a small business in this city
10. Mary used to go to school late
11. My younger sister used to cry all day
12. Ben used to drink a lot of coffee
13. We used to go swimming when we were young
14. There used to be a hotel opposite the station before
15. There used to be many old building in the city ten years ago
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