1.had he buy a ticket? yes he had.
2.have he buy the ticket?
yes he have.
3.has he buy a ticket?
yes he has.
4.will he buy a ticket?
yes he will.
5.is there a ticket?
yes there is.
6.is it a ticket? yes it is.
7.did it take him 5 minutes to buy a ticket? yes it did.
8.does he buy tickets there? yes he does.