1. broke
2. was shining, were singing
3. missed
4. changed
5. has been waiting
6. occcured
7. trains
8. smells
9. has been watching
10.is working
11. crashed
12. has finished
13. is working, are watching
14. has been talking
15. is studying
16. didn't sleep, felt
17. costs
broke
shining, singing
mess
changed
waited
trained
smelled
was watching
worked
finished
wotked
waching