Are they reading a book?
No, they aren't.
Is he brushing his teeth?
Yes, he is.
What is he doing?
He is sleeping.
Is he getting dressed?
Yes, he is.
What is he doing?
He is dinking.
Is she drinking?
No, she isn't.
What is she doing?
She is reading.
Is she watching tv?
No, she isn't.
