Singular (1)

a teacher.

a book.

a pencil.

a car.

a house.

an orange.

an apple.

teachers.

books.

pencils.

cars.

houses.

oranges.

apples.

I have

I don't (do not) have

You have

You don't (do not) have

He has

He doesn't (does not) have

She has

She doesn't (does not) have

It has

It doesn't (does not) have

Plural (2,3...)

We have

We don't (do not) have

You have

You don't (do not) have

They have

They don't (do not) have