1. Yes, you are. / No, you aren't.
2. Yes, he is. / No, he isn't.
3. Is she sunbathing now? Yes, she is. / No she isn't.
4. Is it playing in the snow? Yes, it is. / No, it isn't.
5. Are we making a snowman? Yes, we are. / No, we aren't.
6. Are you having dinner now? Yes, you are. / No you aren't.
7. Are they sitting on the bench? Yes, they are. /No they aren't.