Ex4:
1. My mum used to live in a small vilage when she was a girl.
2. There did not many vehicles on the roads before.
3. We used to cycle to school two years ago.
4. Now there are more traffic accidents.
5. My uncle used to be a bus driver some years ago.
Ex5:
1. didn't use to
2. used to
3. didn't use to
4. used to
5. used to
Ex6:
1. Dis you use to go to school on foot?
2. Mr. Van didn't use to ride his motorbike dangerously.
3. Did the streets use to be clean and more peaceful?
4. I used to go out on Sundays.
5. They didn't use to go on holiday together.
Ex7:
1. did...use to go
2. used to be
3. didn't use to like
4. used to go
5. used to live
6. used to go
7. used to sit
8. did you use to play
9. used to be
10. are used to walking
11. used to play
12. didn't use to have
13. did they use to
14. used to be
15. didn't use to like
Ex8:
1. did
2. after
3. feels
4. across
5. break
6. rules
7. it
8. vehicle
9. ko có từ
10. accidents
