Structure: To have
I have / you have / he has / she has / it has / we have / you have / they have

Negative
I do not have / you do not have / he does not have / she does not have / it does not have / we do not have / you do not have / they do not have

Interrogative
do I have? / do you have? / does he have? / does she have? / does it have? / do we have? / do you have? / do they have?

Contraction
do not = don't
does not = doesn't

Examples:
He has a job.
I have a car.
We do not have a presentation.
They do not have a company.
Do you have time?