is a french first group verb. So it follow the regular conjugation pattern of the first group like: aimer
Follow this link to see all the endings of the conjugation of the first group verbs : conjugation rules and endings for the first group verbs
However, although the terminations are perfectly regular, stem can be irregular and have numerous variations.
Festoyer is conjugated the same way that verbs that end in : -yer
Verbs ending in -yer
may transform the stem letter « y »
in « i »
before a silent endings.
It is the case for verbs ending in -oyer
(other than envoyer and renvoyer). They replace the « y »
with an « i »
before an unpronounced « e »
, turning the preceding syllable in a diphthong. The prototypical verbs are broyer, noyer, ennuyer.