Issir belong to the 3rd group.
Issir is conjugated the same way that verbs that end in : -ir
Issir is conjugated with auxiliary avoir.
Issir is a defective verb. It can not be conjugated in all possible forms.
Issir verb is intransitive.
Conjugation rules 2d6xh
Issir is a defective verb. It can not be conjugated in all possible forms.
Here are several examples of defectives verbs: paître.