Putréfier belong to the 1st group.
Putréfier is conjugated the same way that verbs that end in : -ier
Putréfier is conjugated with auxiliary avoir.
Putréfier verb is
direct transitive.
French verb putréfier can be conjugated in the reflexive form: Se putréfier Putréfier verb is a direct transitive verb, so passive voice can be used.
However, although the terminations are perfectly regular, stem can be irregular and have numerous variations.
Putréfier is conjugated the same way that verbs that end in : -ier.