11 was washing,knocked
12 were dancing,came
13 . What were they doing when you saw them?
14 didn't open
15 translated
16 asked
17 wrote
18 came, didn't call
19 . What time did they have dinner yesterday? ...were having
20 was,was preparing
21 was washing, was sweeping
1.was washing/knocked
2.were dancing/came
3. were doing/ saw
4.didn't open
5. translated
6. asked
7. wrote
8. came/ wasn't calling
9. had/ were having
10. was/ was preparing
11. was washing/ i was sweeping
