1. fell, was painting
2. were studying, called
3. were driving, stopped
4. was driving, saw
5. read
6. dropped in, was watching
7. saw, was wearing
8. went, were sleeping
9. had, were eating
10. was working, heard, put, went, was looking, ran, was wearing
11. arrived, were waiting
12. broke, was playing
13. got, was cooking, were watching
14. stayed, was snowing