1)Are you doing homework?
Yes,I am/No,I am not.
2)Are they walking in the park now?
Yes,they are/No,they are not.
3)Is Mary cooking the cake?
Yes,she is/No,she is not.
4)Are you and Jane playing chess?
Yes,we are/No,we are not.
5)Is your father driving to work with car at the moment?
Yes,he is/No,he is not.
