III
1 - b. I'd look for a new place to live
2 - c. she would join our tree planting activity
3 - d. there would be less pollution
4 - e. they wouldn't dump waste into the lake
5 - a. what would happen
IV
1. come
2. don't try
3. finishes
4. sends
5. go
6. did
8. weren't
9. would go
10. would go
11. would be
12. doesn't rain
13. didn't rain
14. were
15. has
16. will give
17. had
18. didn't study
19. stopped
20. were...would accept
