Is he playing the guitar?
Yes, he is.
Is he dancing?
Yes, he is.
What are you doing?
I'm dancing.
What are they doing?
They're doing homework.
Are you reading?
Yes, I am.
What are they doing?
They're eating.
Are they singing?
No, they aren't.
What is he doing?
He's drinking.
What's she doing?
She's playing.
What's he doing?
He's sleeping.
What is she doing?
She's writing.
What's she doing?
She's listening to music.
Is she drawing?
No, she isn't. She's talking.
Are they doing homework?
No, they aren't. They're watching TV.