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