1. was walking, met
2.was, was falling, were singing, were doing
3.is, used to always miss, arrive(sau always misses si arrives)
4.called, was working
5.were you crying, arrived
6.got
7.was sitting
8. was enjoying, didnt notice
9. wasn't sleeping, arrived, was studying
10.was not working
11. was shining, had been
12.became, snowed
13.told, is
14. am feeling, passed
15. was, cleaned
16. got, saw, was losing/lost
17. am, wasn't
18. came, forgot
19. have seen
20. had not checked, broke
