1. wants selling - wants to sell
2. eat - to eat
3. having - to have
4. going - to go
5. able - able to
6. passing - to pass
7. getting - to get
8. catching - to catch
9. go - to go
10. go - to go
11. try - to try
12. not tell - not to tell
13. do - to do
14. write - to write
15. to read - reading
16. to drink - drinking
17. to open - opening
18. to help - helping
19. phone - phoning
20. do - to do
chúc bạn học tốt
