1.came,was sleeping.
2.came,was playing
3.came,were playing
4.came,was sleeping.
6.got,were drinking
5.came
7.came,was watching
8.saw,were playing
9.opened,was sitting
10.opened,were dancing
11.was crossing,fell
12.was going,met
13.were going,met
14.was going,saw
15.was walking,found
16.were drinking,came
17.was walking,passed
18.was thinking,fell
19.listened
20.entered,was writting,were copyng