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