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