Exercise 21 : Conditional Sentences
1. understood
2. wouldn't have been
3. will give
4. would have told
5. would have been
6. had
7. stopped
8. needed
9. would have found
10. enjoyed
11. paint
12. were
13. writes
14. had permitted
15. had spent
16. will accept
17. buys
18. had decided
19. would have witten
20. will leak
21. had studied
22. hears
23. see
24. gets
25. turn
26. were
27. would have called
28. would have talked
29. explained
30. speak
Exercise 22 : Used To
1. eating
2. eat
3. swim
4. like
5. speaking
6. studying
7. dancing
8. sleeping
9. eating
10. eating
Exercise 23 : Would Rather
1. stay
2. have stayed
3. work
4. studies
5. not study
6. have
7. stood
8. not cook
9. hadn't arrived
10. have slept
Exercise 24 : Must / Should + Perfective
1. should have had
2. must have were
3. must have damaged
4. shouldn't have parked
5. must have studied
6. should have studied
7. must have been
8. should have forgotten
9. must have forgotten
10. must have been studied
Exercise 25 : Modals + Perfective
1. i would
2. would have gone
3. may have had
4. should have done
5. must have forgotten
6. may have had
7. might have had
8. could have had
9. shouldn't have driven
10. may have run
Exercise 26 : Adjective and Adverb
1. well
2. intense
3. brightly
4. fluent
5. fluently
6. smooth
7. accurately
8. bitter
9. soon
10. fast
Exercise 27 : Linking (Copulative) Verbs
1. terrible
2. well
3. good
4. calm
5. sick
6. quick
7. diligently
8. vehemently
9. relaxed
10. noisy
Exercise 28 : Comparisons
1. as soon
2. more important
3. as well
4. more expensive
5. as hot
6. more talented
7. more colorful
8. happier
9. worse
10. faster
Exercise 29 : Comparisons
1. than
2. than
3. from
4. from
5. as
6. than
7. as
8. than
9. than
10. from
Exercise 30 : Comparisons
1. best
2. happiest
3. faster
4. creamiest
5. more colorful
6. better
7. good
8. more awkwardly
9. least
10. prettier
