Present Tense:
* "A" - for the third person singular (he/she/it) of "avoir" (to have). For example: "Il a un chat" (He has a cat).
* "Ont" - for the third person plural (they) of "avoir" (to have). For example: "Ils ont des enfants" (They have children).
Past Tense:
* "Avait" - for the imperfect tense (ongoing action in the past) of "avoir" (to have). For example: "Elle avait un vélo" (She had a bicycle).
* "A eu" - for the past tense of "avoir" (completed action in the past). For example: "Il a eu un accident" (He had an accident).
Other uses:
* "Est" - when "has" is used as part of the verb "to be". For example: "Elle est belle" (She is beautiful) or "Il est malade" (He is sick).
* "Possède" - for a more formal or emphatic way of saying "has". For example: "Il possède une voiture" (He owns a car).
It's important to consider the context of the sentence and the tense of the verb to choose the correct translation for "has" in French.