1. Were they taking the exam?

2. When was he working there?

3. Were you making dinner?

4. Were they drinking coffee when you arrived?

5. When were we sleeping?

6. They were studying last night.

7. We were talking when the accident happened.

8. He was not exercising enough.

9. Was I talking too much?

10. It was not snowing.

11. How were they felling?

12. They were not talking.

13. Where was I staying?

14. Why was he studying on a Saturday night?

15. I was going to school when you saw me.

16. You were sleeping at 6a.m.

17. She was working when I called.

18. We were not leaving when you called.

19. I was not staying in a hotel.

20. Were we taking too much noise?

→ Cấu trúc thì QKTD:

(+) S + was/were + V_ing ...

(-)  S + was not/ were not ( wasn't/weren't ) + V_ing ...

(?)  Was/Were + S + V_ing ...?

- Yes, S + was/were

- No, S + wasn't/weren't

     Wh/H + was/were + S + V_ing ...?