Present continuous sentence

He/she/it+ is + verb + ing
He/she/it+ is+ not + verb+ing

I+ am+ verb+ing
I+ am+ not+ verb+ing

We/you/they+ are+ verb+ ing
We/you/they + are+ not + verb+ing

It is raining now.

It is not raining now.

Is it raining now?

Is it not raining now?

I am watching tv now.

I am not watching TV now.

We are going now.

We are not going now.