Is he listening?
Yes, he is.
Is she smiling?
No, she isn't.
Is he talking?
No, he isn't.
Are they watching TV?
No, they aren't.
Are they talking?
Yes, they are.
Is he taking a photo?
No, he isn't.
Is she watching cartoons?
Yes, she is.
Is he drinking?
Yes, he is.
Is she reading?
Yes, she is.
Is she listening?
No, she isn't.
Is he playing tennis?
No, he isn't.
Are they sleeping?
Yes, they are.