What are your sisters doing?
They are playing with toys.
What is your sister doing?
She is cleaning cleaning.
What are your brothers doing?
They are singing.
What are you doing?
I am dancing.
What' s/ is grandpa doing?
He's/ is reading a book.
What are we doing?
We are brushing our teeth.
What are your cousins doing?
They are watching TV.
What is your father doing?
He is playing guitar.