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