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