Épanouir belong to the 2
nd group. Épanouir is a common french verb.
Épanouir is conjugated the same way that verbs that end in :
-ir
Épanouir is conjugated with
auxiliary avoir.
Épanouir verb is
direct transitive.
French verb épanouir can be conjugated in the reflexive form:
S'épanouir
Épanouir verb is a direct transitive verb, so passive voice can be used.