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