Are they running?
Yes, they are
Are they eating?
No, they aren't
What are they doing?
They're running
What ................................. ? They're swimming.
are they doing
What are they doing?
They're playing.
Are they jumping?
No, they aren't
Are they sleeping?
Yes, they are.
What are ................? They're jumping
they doing
Are they reading?
No, they aren't
