Offrir belong to the 3
rd group. Offrir is a common french verb.
Offrir is conjugated the same way that verbs that end in :
-frir
Offrir is conjugated with
auxiliary avoir.
Offrir verb is
direct transitive.
French verb offrir can be conjugated in the reflexive form:
S'offrir
Offrir verb is a direct transitive verb, so passive voice can be used.