I am doing shopping.She is swimming in the pool.We are having friends over for dinner.They are watching a movie together.He is visiting his grandmother.I am not doing shopping.She is not swimming in the pool.We are not having friends over for dinner.They are not watching a movie together.He is not visiting his grandmother.Am I doing shopping?Is she swimming in the pool?Are we having friends over for dinner?Are they watching a movie together?Is he visiting his grandmother?