El verbo "TO HAVE" el ingles tiene dos usos: Lo podemos usar como verbo principal (en español sería TENER) como por ejemplo: "I have a new car"; y un segundo uso como verbo auxiliar (en español sería HABER) como por ejemplo: "she has played tennis"

Yo he / tengo	I have	I´ve
Tu has / tienes	you have	you´ve
El ha / tiene	he has	he´s
Ella ha / tiene	she has	she´s
Ello ha / tiene	it has	it´s
Nosotros hemos/ tenemos	we have	we´ve
Vosotros habéis / teneís	you have	you´ve
Ellos han / tienen	they have	they´ve

Negativo

Como verbo Principal: Sujeto+ do/does + not+ have+....
Como verbo Auxiliar: Sujeto + have/has + not+....

Verdo Principal		Verbo Auxiliar
I do not have	I don't have	I have not	I haven't
You do not have	You don't have	You have not	You haven't
He does not have	He doesn't have	He has not	He hasn't
She does not have	She doesn't have	She has not	She hasn't
It does not have	It doesn't have	It has not	It hasn't
We do not have	We don't have	We have not	We haven't
You do not have	You don't have	You have not	You haven't
They do not have	They don't have	They have not	They haven't

Interrogativo

Como verbo Principal:Do/does + sujeto + verbo +... ?
Como verbo Auxiliar: Have/Has + sujeto + ... ?

Verdo Principal	Verbo Auxiliar
Do I have...?	Have I ...?
Do you have...?	Have you ...?
Does he have...?	Has he ...?
Does she have...?	Has she ...?
Does it have...?	Has she ...?
Do we have...?	Have we ...?
Do you have...?	Have you ...?
Do they have ...?	Have they ...?