Le Participe Passé: Overview

The participe passé is one of the most overworked forms in French grammar. A single past-participle entry — parlé, fini, vendu, fait, pris, ouvert — does the work of half a dozen English forms: it builds every compound tense, it carries the passive voice, it functions as an adjective, it stands at the head of absolute participial clauses, and it appears in the past infinitive after après. To know French verbs is, in large part, to know past participles.

This page is the map. It walks through what a past participle is, the four functions it performs, and the formation patterns that group the irregular forms into manageable families. The detailed mechanics of regular and irregular formation each live on dedicated subpages, as does the agreement system that governs when past participles change form to match a noun.

What the past participle is

The participe passé is a non-finite verb form: it is not inflected for person or number on its own. It is the verb in its "completed" or "resultative" form — the verb as a finished thing, often equivalent to the English -ed / -en participle (spoken, eaten, finished, broken).

In French, every verb has a past participle, and you cannot conjugate the verb in any compound tense without it. The past participle is built from the verb's stem plus an ending that depends on the verb's group:

• Group 1 (-er verbs): stem + -é → parlé, mangé, aimé, donné. Regular and predictable.
• Group 2 (-ir / -iss-): stem + -i → fini, choisi, réussi, grandi. Regular and predictable.
• Group 3 (irregular verbs): many endings — -u, -i, -is, -it, -ert, -aint / -eint, plus a few wild outliers (été, eu, né, mort). Must be memorised in groups.

For full lists and drills of regular forms, see Regular Past Participle Formation. For the high-frequency irregulars, see Irregular Past Participles, Complete Reference.

Function 1: building compound tenses

The single most important function of the past participle is constructing compound tenses — passé composé, plus-que-parfait, futur antérieur, conditionnel passé, passé antérieur, subjonctif passé, and the past infinitive. Every one of these is built from an auxiliary (avoir or être) plus the past participle.

The choice of auxiliary — avoir or être — is a separate question, governed by the verb's transitivity and lexical class. Avoir is used for the vast majority of verbs (every transitive verb and most intransitive ones); être is reserved for a small set of intransitive verbs of motion or change of state (aller, venir, partir, arriver, naître, mourir, rester, tomber, monter, descendre, entrer, sortir, retourner, passer) and for all pronominal verbs (se lever, se laver, se souvenir, s'en aller).

For the full passé composé system, see Le Passé Composé: Overview.

Function 2: building the passive voice

When you want to say the door was opened rather than Pierre opened the door, French builds the passive voice with être + past participle. The past participle here functions exactly like an English passive participle, but it must agree in gender and number with the subject.

The passive in French is much less common than in English, especially in spoken language. Where English easily says the bicycle was stolen, French often prefers an impersonal on a volé le vélo (literally "one stole the bicycle"). When the passive is used, it often carries a slightly formal or neutral tone, and the past participle agrees with the subject:

• La porte est ouverte (porte is feminine singular)
• Les lettres ont été envoyées (lettres is feminine plural)
• Le rapport a été écrit (rapport is masculine singular)

For the full system, see The Passive Voice.

Function 3: as an adjective

Past participles function as adjectives, modifying nouns in much the same way as any descriptive adjective. They agree in gender and number with the noun they modify, and they describe the resulting state of an action that was completed at some prior point.

The participial adjective frequently describes a state that follows from an action: un livre lu is "a read book" (one that has been read); une promesse tenue is "a kept promise" (one that has been kept); un enfant abandonné is "an abandoned child." French uses this construction much more freely than English, often where English would resort to a relative clause ("a book that has been read").

Some past participles have so fully adjectivised that learners forget they were ever participles: fatigué (tired), occupé (busy), connu (well-known), fait (made — as in un homme fait, a fully grown man).

Function 4: in absolute participial clauses

A more literary use, but one that is everywhere in newspapers, novels, and academic writing: the past participle introduces an absolute clause — a participial phrase that sets the scene for the main verb, often translatable in English with "once," "after," or simply with a clause.

The past participle here functions as a small adjective phrase setting a precondition or backdrop. The structure is [noun] + [past participle agreeing with the noun], optionally introduced by une fois (once) for emphasis. This construction is one of the markers of higher-register written French and is rare in casual speech.

A close cousin is the past participle as the head of a short stand-alone phrase, often used as a chapter title, photo caption, or descriptive aside:

Function 5: in the past infinitive (infinitif passé)

A small but high-utility role: the past participle pairs with the infinitive of avoir or être to form the infinitif passé — the "perfect infinitive," used after après and after verbs of opinion when the action precedes the main one.

For the mechanics of the past infinitive — auxiliary selection, agreement, position of pronouns — see The Infinitif Passé.

Formation: the three regular patterns

Most French past participles are predictable from the infinitive ending. Three patterns cover the regular verbs:

Together these three patterns cover the great majority of French verbs. For drills and complete lists, see Regular Past Participle Formation.

Formation: the irregular families

The remaining irregular verbs (mostly Group 3, plus avoir, être, faire) form past participles in seven distinguishable families, each with its own ending. The irregularity is not random — it is largely Latin etymology surfacing in modern spelling.

For the comprehensive reference, see Irregular Past Participles, Complete Reference.

A note on agreement

When the past participle functions as an adjective, after être, or as a participial absolute, it agrees with the relevant noun in gender and number — adding -e for feminine and -s for plural (ouvert / ouverte / ouverts / ouvertes).

When it builds compound tenses with avoir, the rule is more delicate: the participle agrees with a preceding direct object, not with the subject. J'ai mangé la pomme (no agreement, object follows) but La pomme que j'ai mangée (agreement, object precedes). The full rules are notoriously detailed and have their own page: Past Participle Agreement.

This is one of the areas where written French diverges sharply from spoken French: most agreement endings are silent (mangé, mangée, mangés, mangées all sound identical), so the rules matter overwhelmingly for writing rather than speaking. But in writing they are mandatory and frequently tested.

A historical note: why so many endings?

If you find yourself wondering why French has six or seven different past-participle endings, the answer is etymological. Most of them descend directly from Latin past participles, which had several endings depending on the verb's conjugation class. Latin factum gave French fait, scriptum gave écrit, visum gave vu, prensum (from prehendere) gave pris, opertum gave ouvert. The patterns are arbitrary from a synchronic standpoint, but they are coherent from a historical one — and grouping the irregulars by ending makes them dramatically easier to memorise than learning each verb in isolation.

English alignment

English past participles are typically -ed (regular) or -en / -t / vowel-shifted (irregular: spoken, broken, taught, brought, seen, gone). They do exactly the same jobs as French past participles: build compound tenses (I have spoken), build the passive (the door was opened), function as adjectives (the broken window), and head absolute clauses (the door closed, we…).

The big structural difference is that English collapses past tense and past participle for many verbs (walked / walked, finished / finished) where French keeps them distinct (je marchais / marché, je finissais / fini). For irregular English verbs, the past tense and past participle are typically distinct (spoke / spoken, ate / eaten) — which makes those English verbs the closest analogue to the French system, where past tense (any form) and past participle are always different forms of the same verb.

Common Mistakes

Mistake 1: Using the infinitive where French wants the past participle in compound tenses.

Mistake 2: Confusing -é (past participle) with -er (infinitive) — both are pronounced /e/.

(This is an extremely high-frequency error — -er and -é sound identical, but only -é can follow avoir.)

Mistake 3: Forgetting agreement with être in the passé composé.

Mistake 4: Putting the past participle alone where compound-tense logic demands the auxiliary.

Mistake 5: Treating dû as the same as du.

(The circumflex is mandatory only on the masculine singular form — dû. The feminine and plural forms — due, dus, dues — drop the accent because there is no ambiguity.)

Key takeaways

• The past participle is the completed-action form of the verb, used to build compound tenses, the passive voice, adjectival modifiers, and absolute participial clauses.
• Three regular patterns cover most verbs: -er → -é, -ir (group 2) → -i, -re → -u.
• Irregular verbs cluster in seven endings: -u, -i, -is, -it, -ert, -aint / -eint / -oint, plus four oddballs (été, eu, né, mort).
• The past participle pairs with avoir or être to build every compound tense; être is also the auxiliary for the passive voice.
• Past participles agree in gender and number with adjectival uses, with the subject in être-conjugated tenses, and with a preceding direct object in avoir-conjugated tenses.
• The form -é (past participle) is often confused with -er (infinitive) because they are pronounced identically; only the -é form follows avoir in the passé composé.
• The past participle is one of the most syntactically active forms in French; mastering its formation and uses is foundational to fluent reading and writing.