* You are not playing videogames.
* Are you playing videogames?
-Yes I am. -No I am not.
* Miriam is dancing with you.
* Miriam is not dancing with you.
* Is Miriam dancing with you?
-Yes, she is. -No, she isn't.
* We are reading the newspaper.
* We are not reading the newspaper.
* Are we reading the newspaper?
-Yes, we are. -No, we are not.