1. to take
2. smoking
3. are seeing
4. learning
5. to think, decided, trike
6. to pass, to mention
7. to answer
8. going
9. to watch
10. lending, to buy
11. to show, to use
12. telephoning, asking, looking
13. had heard, no to enter
14. to expain, to listen, to grumble
15. making, to do
16. having,to get up
17. to forget, to hurry
18. to run, to have discovered
19. listening, hearing
20. driving, be driven
