particulier = special, particular
Do you have? Avez-vous une voiture? Do you have a car?
you have
"Est-ce que vous avez ..." means "do you have..." in French.
"How old are you?"
De quoi avez-vous besoin ? means What do you need now?
ou avez-vous rencontre votre conjoint means: or did you meet your spouse.
"You were a dream"
It means : You lost
un hibou (n 'x' when singular,only when plural) is an owl in French. 'Avez-vous' is a question meaning 'do you have?', so 'avez-vous mon hibou' means 'do you have my owl' in English.
You disappeared yesterday
Comment avez-vous connu notre site means "how have you known about our (web)site?"