que j'eusse authentifié que tu eusses authentifié qu'elle eût authentifié que nous eussions authentifié que vous eussiez authentifié qu'elles eussent authentifié
Authentifier belong to the 1st group.
Authentifier is conjugated the same way that verbs that end in : -ier
Authentifier is conjugated with auxiliary avoir.
Authentifier verb is
direct transitive. Authentifier 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.
Authentifier is conjugated the same way that verbs that end in : -ier.