1. She sat near the window whenever she **was** on board.
2. Yesterday, Tim **was** late because he **went** shopping after work.
3. We **had** a good time at Jane's party last night.
4. We **did not study** English two years ago.
5. Last night the performance **began** at 7 o'clock and **lasted** for three hours.
6. She **bought** a new pair of shoes yesterday. She **liked** them then.
7. Television **first appeared** in the world a few decades ago.
8. You **saw** our friends outside the cinema last night?
9. At 7 o'clock last night it **was raining** heavily.
10. They **were talking** to their friends this time last night.
11. She felt that somebody **was looking** at her.
12. My mother **was not watching** TV this time yesterday, she **was listening** to music.
13. What **were you doing** this time last Sunday morning?
14. Susan **was reading** a story book while his sister was cleaning the clothes.
15. While he was doing his homework, his father **was cleaning** his car.
16. When he **visited** Mary, she **was learning** English.
17. I **was playing** on the road outside my house when they saw me.
18. The thief was arrested as he **was leaving** the bank.
19. What **were you doing** when I **called** you yesterday?
20. He **was phoning** someone when I **visited** his house.