a) 2. had, could
3. would be, didn't go out
4. shared, would get on
5. went, wouldn't be
6. painted, wouldn't look
7. would feel, went
8. wouldn't argue, didn't borrow
9. didn't have to, could
10. did, would improve
b) 2. could
3. don't reduce
4. see
5. were
6. doesn't have
7. had
8. wouldn't drive
9. won't eat
10. would look
