Have you seen Mary?
Yes, I've seen her.
Has Jim eaten his meal?
No, he hasn't eaten his meal.
Has John talked to his parents?
Yes, he has talked to his parents.
Has she read that book?
No, she hasn't read that book.
Have they cleaned their house?
Yes, they have cleaned their house.
Has Mark bought a new bike?
Yes, he has bought a new bike.
Have you phoned your father?
No, I haven't phoned my father.