ex1: use the past form of the verbs:
1. I (be)........................ a student 2 years ago
2. He (be)............................ a doctor two years ago
3. They (be)............................. farmers last year
4. Lan and Ba (be)................... nues last year
5. It (be not).................. cold yesterday
6. She (be not).....................a pupil last week
7. This hat (be not)....................... new yesterday
8. My parents (be not)........................ teachers two years ago
9. He (be not)........................... a mechanic last Monday
10. (Be)......................... he an engineer yesterday. No, he (be not).......................
11. (Be)........................ It hot last week?
12. The windows (be)..............................open last Monday
13. (Be)..................... you a teacher two years ago? yes, I (be).............
14. Where (be)........................Nam from yesterday?
15. Why (be).................................he unhappy last Tuesday?
16. He (wear)....................... the shirt last week
17. You (go)...........................to school yesterday?
18. Where he (go).........................yesterday?
19. Hoa (buy).........................a lot of things for her birthday party
20. What time4 you (leave)...............................home for school yesterday?
