| Present | Future | Imperfect | Present participle | |||||
| j' | interviens | interviendrai | intervenais | intervenant | ||||
| tu | interviens | interviendras | intervenais | |||||
| il | intervient | interviendra | intervenait | Passé composé | ||||
| nous | intervenons | interviendrons | intervenions | Auxiliary verb | être | |||
| vous | intervenez | interviendrez | interveniez | Past participle | intervenu | |||
| ils | interviennent | interviendront | intervenaient | |||||
| Subjunctive | Conditional | Passé simple | Imperfect subjunctive | |||||
| j' | intervienne | interviendrais | intervins | intervinsse | ||||
| tu | interviennes | interviendrais | intervins | intervinsses | ||||
| il | intervienne | interviendrait | intervint | intervînt | ||||
| nous | intervenions | interviendrions | intervînmes | intervinssions | ||||
| vous | interveniez | interviendriez | intervîntes | intervinssiez | ||||
| ils | interviennent | interviendraient | intervinrent | intervinssent | ||||
| Imperative | ||||||||
| (tu) | interviens | Verb conjugation pattern Intervenir is an irregular verb All French verbs ending in -venir and -tenir are conjugated this way. | ||||||
| (nous) | intervenons | |||||||
| (vous) | intervenez | |||||||

