What are they doing?
They're playing basketball.
What is she doing?
She's riding a bike.
What are they doing?
They're flying a kite.
What are they doing?
They're playing soccer.
What is he doing?
He's playing soccer.
What are they doing?
They're reading.
What are they doing?
They're jumping rope.
What are they doing?
They're swimming.
What is she doing?
She's flying a kite.
What are you doing?
I'm playing basketball. / We're playing basketball.
What are they doing?
They're jumping.
What are you doing?
I am jumping rope. / We're jumping rope.
What are they doing?
They're playing baseball.
What are they doing?
They're playing a game.
What is he doing?
He's playing baseball.