Present Continuous

+
I             am working
You        are working
He
She          is working
It
We
You          are working
They

-
I               am not working
You          aren't working
He
She           isn't working
It
We
You           aren't working
They

?
I                  Am I working...?
You             Are you working... ?
He                   he
She              Is she working... ?
It                      it
We                     we
You             Are you working... ?
They                   they

Short :
I                   Yes, I am. No, I'm not.
You              Yes, you are. No, you aren't.
He                        he               he
She               Yes, she is. No, she isn't.
It                           it                it
We                        we                we
You               Yes, you are. No, you aren't.
They                      they              they

USE :
      to be present + ing  :

• Now
• At the moment actions
• Temporally