Solfier belong to the 1st group.
Solfier is conjugated the same way that verbs that end in : -ier
Solfier is conjugated with auxiliary avoir.
Solfier verb is
direct transitive. Solfier 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.
Solfier is conjugated the same way that verbs that end in : -ier.
SOLFIER : v. tr. Chanter, en les nommant et avec le mouvement et la mesure, les notes d'un air, d'un morceau ou d'un exercice de musique. Solfier un air. Absolument, Il solfie déjà couramment.