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