1. (+) We are working on the new show right now.

                (-)_we aren't working on the new show right now.__

                (?)__Are you working on the new show right now ?

 2. (+)_I’m talking on the phone at the moment.___

        (-) I’m not talking on the phone at the moment.

         (?)_Are you talking on the phone at the moment.?_

            3. (+)__He is running very fast___

               (-)___He isn't running very fast____

                (?) Is he running very fast?

            4. (+) Julia is baking a chocolate cake at the moment.

                (-)___Julia isn't  baking a chocolate cake at the moment.

                (?)__Is Julia baking a chocolate cake at the moment.?_

            5. (+)_ Tony and Kaity are helping the teacher right now

                (-)_ Tony and Kaity aren't helping the teacher right now

                (?) Are Tony and Kaity helping the teacher right now?