Are/ playing/ basketball/ they/ ?
Are they playing basketball?
Is he playing chess?
No, he isn't
she/ playing/ chess/ Is/?
Is she playing chess?
Are you studying English?
No, I'm not
What is he doing?
He's playing the guitar
What is she doing?
She is drinking water
he/ eating/ pizza/ is
He is eating pizza
it/ Is/ running/ ?
Is it running?
What are they doing?
They're playing the piano