She is not playing tennis now.
Special question: Is she playing tennis now?
Special question to the subject: What is she doing now?
General question: What is she doing at the moment?

They are not watching TV now.
Special question: Are they watching TV now?
Special question to the subject: What are they doing now?
General question: What are they doing at the moment?

I do not make my bed every morning.
Special question: Do you make your bed every morning?
Special question to the subject: What do you do every morning?
General question: What do you do in the morning?

He does not study at school.
Special question: Does he study at school?
Special question to the subject: Where does he study?
General question: Where does he go to study?