2 вопросительных предложения с has и have , в форме have i? has he?

Вот два вопросительных предложения:

1. Have I completed my homework?
2. Has he finished his project?

I have a dog.
Do you have a dog?
I don't have a dog.
He has a dog.
Does he have a dog?
He doesn't have a dog.
I have got a dog.
Have you got a dog?
I haven't got a dog.