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