Как написать 3 вопроса и 3 ответа в present perfect? .

Have you ever been to London? No, I haven't
Has he just come home? Yes, he has
Have they already done their homework? Yes, they have.

I have done my home work. 
He has broken the window.
I have known Ann for 5 years.

Have they lived here for 8 years?
Why have you eaten my breakfast?
Have you ever had a pet?
Надеюсь