We are not looking for that pencil.
We are not at home at this time.
They are not writing whith pen.
They are not asking your name.
I’m not cooking dinner for you.
I’m not doing the right thing.
You are not in a place you like.
You are not something good.
He is not crazy.
She is not agrees with opinion.
Susan isn´t in her bedroom
steven isn´t here. he´s at school
the teddy bear isn´t under the bed
those books aren´t mine
they don´t have any children 
you don´t have brown eyes
this city isn´t great
the lion isn´t small animal