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