You are never late, are you? You haven't got a pet, have you? You can't ski, can you? You don't like milk, do you? You don't like sweets, do you? You haven't got friends, have you?
1) No, I am never late. 2) No, I haven't got a pet. 3) No, I can't ski. 4) No, I don't like milk. 5) No, I don't like sweet. 6) Yes, I have got friends.