1)to invite friands (p/s+) 2)to take part in the concert(f/s? ) 3)to work in the garden(pr/c+) 4)to have a party(p/s-) 5)to look after a pet(pr/s+) 6)to watch a cartoon(pr/c? )

1 Yesterday he invited friends.
2 Will you take part in the concert?
3 My sister is working in the garden now.
4 I don't have a party every day.
5 My mum always looks after a pet.
6 Are you watching a cartoon right now?