Is she dancing?
Yes, she is.
Is she dancing?
No, she isn't.
Is he sleeping?
Yes, he is.
Is he swimming?
Yes, he is.
Is she swimming?
No, she isn't.
Is he climbing?
No, he isn't.
Is he climbing?
Yes, he is.
Is he playing video games?
yes, he is.
Is she singing?
Yes, she is.
Is she playing football?
No, she isn't.
Is he reading?
No, he isn't
Is she reading?
Yes, she is.
Is he riding a bike?
Yes, he is.
