This Tense is used to express an action which is continuing or taking place now. In this tense the ‘ing’ form of the verb is used.
The formula for present continuous is Subject + Aux +V4 (ing form)
I am eating an apple now.
We are eating apples now.
We are eating apples now.
You are eating an apple now.
He is eating an apple now.
She is eating an apple now.
It is eating an apple now.
They are eating apples now.