I.

1. can
2. can
3. can't
4. can
5. can
6. can't

II.

1. Tim plays football
2. Adam reads books
3. Liz is dancing
4. Bill writes poems
5. Mike plays in action film

III.  

1. is playing
2. watched
3. prepares
4. watched
5. prepares
6. is waiting

IV.

1. form
2. have got
3. best
4. clever and friendly
5. fond of
6. a lot of
7. the guitar
8. songs