1. I was be a student 2 years ago.
2. He was be a doctor two years ago.
3. They were be farmers last year.
4. Lan and Ba were be nurses last year.
5. It was not becold yesterday.
6. She was not be a pupil last week.
7. This hat was not be new yesterday.
8. My parents were not be teachers two years ago.
9. He was not be a mechanic last Monday.
10. Was he an engineer yesterday?
11. Was it hot last week?
12. The windows were open last Monday.
13. Was your a teacher two years ago? Yes , I was
14. Where was Nam from yesterday?
15. Why was he unhappy last Tuesday?
Chúc bạn học tốt~~