I am watching a movie right now.
Neg: I am not watching a movie right now.
Ques: Are you watching a movie right now?

She is reading a book at the moment.
Neg: She is not reading a book at the moment.
Ques: Is she reading a book at the moment?

They are playing basketball in the park.

Neg: They are not playing basketball in the park.

Ques: Are they playing basketball in the park?

The cat is sleeping on the couch.
Neg: The cat is not sleeping on the couch.
Ques: Is the cat sleeping on the couch?

We are studying for our exams tomorrow.
Neg: We are not studying for our exams tomorrow.
Ques: Are we studying for our exams tomorrow?