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