Is she cooking?
Yes, she is
Can you play tennis?
Yes, I can.
Would you like some beans?
No, thanks
Are there some carrots?
No, there aren't
Are you playing football?
No, I'm not
Were you at school yesterday?
No, I wasn't
Are there any computers?
No, there aren't
Is she in the classroom?
Yes, she is.
Was he in the park?
Yes, he was.
Was she sad yesterday?
Yes, she was
