French Verb Conjugations
| Present | Imperfect | Future | Conditional | Subjunctive | Imperfect subj. | |||
| je | vieillis | vieillissais | vieillirai | vieillirais | vieillisse | vieillisse | ||
| tu | vieillis | vieillissais | vieilliras | vieillirais | vieillisses | vieillisses | ||
| il | vieillit | vieillissait | vieillira | vieillirait | vieillisse | vieillît | ||
| nous | vieillissons | vieillissions | vieillirons | vieillirions | vieillissions | vieillissions | ||
| vous | vieillissez | vieillissiez | vieillirez | vieilliriez | vieillissiez | vieillissiez | ||
| ils | vieillissent | vieillissaient | vieilliront | vieilliraient | vieillissent | vieillissent | ||
| Passé composé | Past perfect | Future perfect | Past conditional | Past subjunctive | Pluperfect subj. | |||
| j’ | ai vieilli | avais vieilli | aurai vieilli | aurais vieilli | aie vieilli | eusse vieilli | ||
| tu | as vieilli | avais vieilli | auras vieilli | aurais vieilli | aies vieilli | eusses vieilli | ||
| il | a vieilli | avait vieilli | aura vieilli | aurait vieilli | ait vieilli | eût vieilli | ||
| nous | avons vieilli | avions vieilli | aurons vieilli | aurions vieilli | ayons vieilli | eussions vieilli | ||
| vous | avez vieilli | aviez vieilli | aurez vieilli | auriez vieilli | ayez vieilli | eussiez vieilli | ||
| ils | ont vieilli | avaient vieilli | auront vieilli | auraient vieilli | aient vieilli | eussent vieilli | ||
| Passé simple | Past anterior | Imperative | Participles | |||||
| je / j’ | vieillis | eus vieilli | (tu) | vieillis | Present | vieillissant | ||
| tu | vieillis | eus vieilli | (nous) | vieillissons | Past | vieilli | ||
| il | vieillit | eut vieilli | (vous) | vieillissez | Perfect | ayant vieilli | ||
| nous | vieillîmes | eûmes vieilli | Past imperative | |||||
| vous | vieillîtes | eûtes vieilli | (tu) | aie vieilli | Past infinitive | |||
| ils | vieillirent | eurent vieilli | (nous) | ayons vieilli | avoir vieilli | |||
| (vous) | ayez vieilli | |||||||
Vieillir is a regular -ir verb.
Antonym: rajeunir (to look/feel younger)



The mountain of French verb conjugations you have to learn can be overwhelming – even just in the classroom where you have plenty of time to think about the correct response. Once you start talking to people in the real world, trying to figure out the appropriate verb conjugation can leave you speechless – literally. So what’s the solution? Learn, then practice, practice, practice!
Inverting subjects and verbs is easy enough – vous voyez => voyez-vous, but where do object, adverbial, and reflexive pronouns go? And what about negation? Take a look at this lesson to learn about all the possibilities.
Magnetic poetry is a fun little tool you can use to learn and practice French. 500 magnets with words and parts of words help you to express yourself in a unique and creative way.