Are the birds singing?
Yes, they are.
Is she eating pizza?
No, she isn't. She's eating a salad.
Is he eating fish?
Yes, he's.
Are the girls reading?
Yes, they are.
Is the girl watching TV?
No, she isn't. She's sleeping.
Is he eating?
No, he isn't. He's drinking.
Are the horses running?
Yes, they are.
Is the frog jumping?
Yes, it is.
Are the ducks flying?
No, they aren't. They are walking.
Is she eating fish?
No, she isn't.
Is the boy drinking?
No, he isn't. He's eating (an ice cream).
Is he riding a bike?
Yes, he is.
Are the cats playing?
No, they aren't. They are sleeping.