What is he doing?
He is swimming
What are they doing?
They are having dinner/having lunch
What is he doing?
He is sleeping
What are they doing?
They are playing games
What is he doing?
He is speaking Japanese
What is she doing?
She is playing soccer
What is she doing?
She is driving a car
What are they doing?
They are dancing
What are they doing?
They are watching TV
What is he doing?
He is reading
What is she doing?
She is playing the violin