You are watching TV.Are you watching TV?You are not watching TV.You are learning English now.You are not swimming now.Are you sleeping?I am sitting.I am not standing.Is he sitting or standing?They are reading their books.They are not watching television.What are you doing?Why aren't you doing your homework?I am studying to become a doctor.I am not studying to become a dentist.I am reading the book Tom Sawyer.I am not reading any books right now.Are you working on any special projects at work?Aren't you teaching at the university now?I am meeting some friends after work.I am not going to the party tonight.Is he visiting his parents next weekend?Isn't he coming with us tonight?
