Is he playing the drums?
No, he isn't.
Is he an old man?
Yes, he is.
Is she a teacher?
No, she isn't.
Is he happy?
No, he isn't.
Is she rollerblading?
No, she isn't.
Is he singing?
Yes, he is.
Is the cat sitting?
No, it isn't.
Are they wearing trousers?
No, they aren't.
Is it a recorder?
Yes, it is.
Are they swimming?
Yes, they are.
Is it flying?
Yes, it is.
Are they sleeping?
Yes, they are.
Is she playing tennis?
Yes, she is.