1. have learnt
2. watched
3. to do
to go
4.not to go
5. smoked
6. getting up
7. wil help
8. haven't seen
9. to play
II
1. My computer was repaired
2.The room had been tidied by Nam
3.Mr Ba said him must fix the faucets then
4.I asked Ba if he want to speak english well
5. Lien advise Lan should study harder