Sorry , I can not talk.I________________right now. driving am driving drives

Sorry, I cannot talk. I am driving right now.

When the action is happening right now the tense is Present Continuous. Present Continuous is formed with the help of auxiliary verb to be (am, is, are) + verb+ing.

I am driving.            We are driving.

You are driving.      You are driving.

He is driving.           They are driving.

She is driving.

Negative.

I am not driving right now.

Interrogative.

Am I driving right now?

 I am driving right now, are not I?

Who is driving right now?

What am I doing?

Am I or is he driving right now?

Am I driving or singing right now?