1) was practicing
2)went, was shining, were singing, walked, was sitting,gathere, hid, began, ran, fell, was running
3)was reading, heard, opened, looked, was, was shutting, saw, was trying, was, saw, jumped, ran, was reaching, got, stopped
4)came, was playing
5)was living, began
6)flew, was crossing
7)were still writing, rang
7)was he living, saw
8)lost, was seeing
9)was walking, began
10)was sleeping, came