Réunifier belong to the 1st group.
Réunifier is conjugated the same way that verbs that end in : -ier
Réunifier is conjugated with auxiliary avoir.
Réunifier verb is
direct transitive. Réunifier 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.
Réunifier is conjugated the same way that verbs that end in : -ier.