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