1. phoned, were playing
2. were playing, suddenly began
3. was working, were swimming
4. was waiting, saw
5. took out, was getting dark
6. was putting on, was polishing
7. did you do
8. was listening, was explaining
9. was sitting, didn't answer
10. was practicing, came
11. were doing, were lying
12. was filling, ran
13. saw, was still wearing
14. were dancing, broke
15. was driving, saw, stopped, got, was getting, appeared, sat, didn't move, jumped, shouted, barked, started, followed, saw were bleeding.
16. was going, heard
17. saw, didn't see, was looking
18. met, were going, was going, had, were waiting
19. was cycling, stepped, was going, managed, didn't hit
20. was jumping, fell off
21. was taking, hit
