Is he swimming?
No, he isn't
Is she swimming?
Yes, she is
Is he sleeping?
Yes, he is
Is he flying a plane?
No, he isn't
Is he flying a kite?
Yes, he is
Is she building a sandcastle?
Yes, she is
Is she eating an apple?
No, she isn't
Is she eating an ice cream?
Yes, she is
Is he sailing a boat?
Yes he is.
