Make a question
Is he eating a hamburger?
Make a question
Are they riding a bike?
Are they cleaning the house?
Yes,they are.
Is she painting?
No,she isn't.
Make a question
Is it drinking milk?
Is she playing the piano?
Yes,she is.
Make a question
Is she playing tennis?
Make a question
Are they watching Tv?
Is it running?
No,it isn't.
Is he playing the piano?
Yes,he is.