1)was talking
2)studied
3)was sleeping
4)was walking
5)watched
6)was paying
7)cut
8)was dancing
9)was raining
10)rained
1)was eating/knocked
2)came/was studying/came
3)was studying/dropped by
4)called/was watching
5)came/was talking
6)went/saw/were walking/began/stopped/had
7)went/got/was/was planting/was/was working/changed