Are the sheep sleeping?
No, they aren't.
Is the rabbit dinking?
No, it isn't.
What is she doing?
She is running.
Is the horse running?
Yes, it is
What are they doing?
They are walking.
Is the cow eating?
Yes, it is.
Is the mouse walking?
No, it isn't.
What is it doing?
It is flying.
What are they doing?
They are jumping.
Are the fish swimming?
Yes, they are
What is he doing?
He is eating.
Are the birds flying?
Yes, they are.
What are they doing?
They are swimming.