Раскройте скобки, поставьте глагол в Past Continuous 1. I (study) when she called.
2. While I (do) my homework, she (cook) dinner.
3. I (play) the piano when she came.
4. When the phone rang, she (write) а message.
5. While we (have) а picnic, it started to rain.
6. Sally (work) when Joe had the car accident.
7. While John (sleep) last night, someone stole his car.
8. Last night at 6 p.m., I (eat) dinner.
9. I (walk) while parents (make) dinner.
10. While Ellen (read), Tim (watch) television.
11. They (eat) dinner, (discuss) their plans and (have) а good time.
12. Alex (ski) while Helena (do) shopping.
13. Katya (wash) the window while Kirill (repair) the bike.
14. Jane (paint) while Boris (sail).
15. Dad and Nick (fish) while Sarah (sunbathe).

1. I was studying...
2. While I was studying...
3. I was watching TV...
4. ... she was writing…
5. ...we were having...
6. Sally was working...
7. ...was sleeping…
8. ...I was eating…
9. I was studying while he was making...
10. ... was reading... was watching…
11. They were eating dinner, discussing their plans and having a good time.
12. When her husband came home, Anne was watching television.
13. I was preparing dinner when the telephone rang.
14. What were you doing yesterday at 10 p.m.?
15. Julie learnt to drive when she was working in London.
16. Where were you sitting when the show began? 17. I visited Athens while I was touring Greece.
18. John fell down when he was crossing the street.
19. What did you see while you were waiting for the bus?
20. Where were you going when your car broke down?
21. Julie met Peter when she was walking in the park.

1. was studying

2. was doing

3. was playing

4. was writing

5. were having

6. was working

7. was sleeping

8. was eating

9. was walking; were making

10. was reading; was watching

11. were eating; discussing; having

12. was skiing; was doing

13. was washing; was repairing

14. was painting; was sailing

15. were fishing; was sunbathing

Объяснение:

В Past Continuous с подлежащим единственного числа ставится глагол was+глагол с окончанием -ing, а с подлежащим множественного числа were+глвгол с окончанием -ing

Past Continuous это длительное действие в . Иногда длительное действие прирывается коротким. Например: она читала (долго в ), когда постучали в дверь (в дверь постучали быстро и прервали длинное действие)