Simple Present - negative sentences with to be (am, is, are)

Negative sentences: 'am not', 'is not' or 'are not'.

I am at home.
I at home?

You are at home.
You you at home?

She is at home.
She at home?

We are at home.
We at home?

You are at home.
You at home?

They are at home.
They at home?