he/ doing homework?
Is he doing homework? No, he isn't. He's watching TV.
they/ sleep?
Are they sleeping? Yes, they are
What are they doing?
They are reading books.
they/ play games?
Are they playing games? No, they aren't. They're running.
she/ wash her hands?
Is she washing her hands? No, she isn't. She's washing the dishes.
What is she doing?
She is drinking milk.
What is he doing?
He is writing.
she/ walk the dog?
Is she walking the dog? Yes, she is.
she/ eat spaghetti?
Is she eating spaghetti? Yes, she is.
What is he doing?
He is eating hamburger.