"You have" and "You all have" are English equivalents of the French word avez. Context makes clear whether one "you" (case 1) or two or more "you all" (example 2) suits for a word that also translates as "Do you have...?" or "Do you all have...?" in English. The pronunciation will be "a-vey" in French.
Avez-vous...? in French is "Do you have... ?" in English.
Avez-vous mal au cou? in French is "Does your neck hurt?" in English.
Vous avez fait bon voyage! in French means "You had a good journey!" in English.
where did you saw this?
did you sleep well
Pourquoi avez-vous choisi mon numéro? in French means "Why have you chosen my number?" in English.
"You have a nice chest!" in English is Vous avez une belle poitrine! in French.
Avez-vous été un bon garçon? in French means "Have you been a good boy?" in English.
did you got a condom?
what did you drink
do you have my key ? is "est-ce vous avez ma clé ?" in French.
Pourquoi vous avez opté pour un centre d'appel? in French is "Why have you chosen a call center?" in English.