What is he doing?
He is taking the rubbish out.
What is she doing?
She is brushing her teeth.
What is he doing?
He is hoovering.
What is he doing?
He is mopping the floor.
What is he doing?
He is raking.
What is it doing?
It is sweeping the floor.
What is she doing?
She is washing the dishes.
What are they doing?
They are hiking.