1) came, was sleeping
2) came, was playing
3) came, was doing
4) =1)
5) came, were playing
6) got, were drinking
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 walking, saw
17) was washing, found
18) was reading, fell
19) was playing, saw
20) was runing, fell