EX1:
1. see
2. will accept - invite
3. freeze -go
4. will steal
5. don't water - will die
6. studies - will pass
7. will float - pour
8. do - will have
9. will always bark - hear
10. finish - will give
11. won't accept - hand
12. have
13. don't feel - will stay
14. heat- will boil
15. will ring - press

Ex2(1):
1. studied - would pass
2. told - would help
3. would marry - were
4. didn't - wouldn't break
5. sang - would join
6. would go - were
7. were - would go
8. saw - would say
9. would go - weren't
10. had - would give
11. played - would win
12. were - would accept
13. would have- didn't rain
14. went - would see
15. were- would help
16. knew- would go
17. wouldn't be - didn't lend
18. would have happened - hadn't stopped
19. bited- would you do
20. were- would fly

EX2(2):
1. were
2. had passed
3. were
4. had brought
5. were
6. spent
7. hadn't stayed
8. knew
9. became
10. weren't
11. had arrived
12. turned
13. stopped
14. gave