exercise 53 
1. could get
2. would be
3. didn’t have
4. could cut/mow
5. asked
6. should ask / ought to ask
7. could take
8. fried
9. would burn
10. sang
11. might leave

exercise 55 Täydennä vihjeiden mukaisesti.
1. hadn’t overslept
2. wouldn’t have been
3. had had
4. would have remembered
5. had driven
6. would … have been
7. might/could have caught
8. could have bought
9. would have had to spend
10. hadn’t believed
11. could/might have stayed

exercise 57 Täydennä vihjeiden mukaan.
1. would you tell
2. Should you be; would you (only) talk
3. would (rather) meet
4. could have learned/learnt
5. would be
6. would you show
7. could take; should try / ought to try
8. had learned/learnt; would have spent 
9. might be; taught
10. shouldn’t worry