I have a pen
I don't have a pen
You have a door
You don't have a door
He has a notebook
He don't has a notebook
She has a book
She don't has a book
It has a dog
It don't has a dog
We have a backpac
We don't heve a backpac
You heve a cat
You don't have a cat
They have a chair
They don't have a chair