Первое:
1. can ride a horse
2. can ride a motorbike
3. can speak Italian, he can play the guitar
4. Can speak Italian
5. Can’t ride a horse
6. Can’t ride a motorbike, but... can
7. can play the guitar
Второе:
2 Can you play a musical instrument?
Yes I can/No I can’t
3. Can you ride a bike?
Yes I can/No I can’t
4. Can you speak Russian?
Yes I can/No I can’t
5. Can you write songs?
Yes I can/No I can’t
6. Can you swim 100 meters?
Yes I can/No I can’t
7. Can you sing?
Yes I can/No I can’t
8. Can you read people’s thoughts?
Yes I can/No I can’t