Поставьте глагол в скобках в нужном времени и нужной форме My mother (to be) at home now

My mother is at home now.

Моя мама сейчас дома.

Is my mother at home now?

Is my mother or my father at home now?

Is my mother at home or at work now?

Where is my mother now?

Whose mother is at home now?

Who is at home now?

My mother is at home now, isn't she?