Subvenir belong to the 3rd group. Subvenir is a common french verb.
Subvenir is conjugated the same way that verbs that end in : -enir
Subvenir is conjugated with auxiliary avoir.
Subvenir verb is
indirect transitive.
Subvenir is a french third group verb. So, this verb is irregular and do not follow a regular conjugation pattern like first or second group verbs. Follow this link to see all the endings of the conjugation of most of the third group verbs : conjugation rules and endings for the second group verbs.
Verbs derived from tenir and venir form a major group of verbs who gains a d in the future and conditional. These verbs are the only verb to have a nasal vowel in the past historic and imperfect subjunctive.
SUBVENIR : v. intr. Venir en aide, donner du secours. Subvenir à quelqu'un dans ses besoins. Il se dit plus ordinairement en parlant des Choses et signifie Pourvoir. Comment voulez-vous que je subvienne à tant de dépenses? Subvenir aux pressantes nécessités de l'État. On a subvenu à ses besoins.