Congeler belong to the 1
st group. Congeler is a common french verb.
Congeler is conjugated the same way that verbs that end in :
-eler
Congeler is conjugated with
auxiliary avoir.
Congeler verb is
direct transitive.
French verb congeler can be conjugated in the reflexive form:
Se congeler
Congeler verb is a direct transitive verb, so passive voice can be used.