What are they doing?
They are playing chess.
What is he doing?
He is playing football.
What is he doing?
He is playing tennis.
What is he doing?
He is going skateboarding.
What are they doing?
They are playing volleyball.
What is she doing?
She is cooking
What is he doing?
He is riding a horse.
What is she doing?
She is doing gymnastics.
What is he doing?
He is going skiing.
What are they doing?
They are doing athletics
What is he doing?
He is riding a bike.
What are they doing?
They are swimming.