1. preparing
2. doing
3. having
4. not socializing
5. explaining
6. listening
7. spending
8. trying
9. driving
10. not going
.
1. watching
2. doing / to do
3. sleeping
4. working
5. studying / to study
6. talking
7. going
8. eating / to eat
9. telling / to tell
10. having
11. spending
12. taking
13. lending
14. waiting
15. doing
.
1. Peter prefers to play computer games in his free time.
2. Do you hate doing the washing?
3. My father enjoys playing sports and reading books.
4. The teacher doesn't mind helping you with difficult exercises.