Conjugation is the variation in the endings of verbs (inflections) depending on the person (I, you, we, etc), tense (present, future, etc.) and mood (indicative, imperative, subjunctive, etc.). Most French verbs are regular and their inflections can be entirely determined by their infinitive form.

French verbs are conventionally divided into three groups. The first two are the -er and -ir conjugations (conjugaisons). Verbs of the first two groups follow the same patterns, largely without exception. The third group displays more variation in form.

The third group is a closed class,^[1] meaning that no new verbs of this group are created. Most new verbs are of the first group (téléviser, atomiser, radiographier), with some in the second group (alunir).

In summary the groups are:

• 1st conjugation: verbs ending in-er (exceptaller). There are about 6000 verbs in this group.^[2]
• 2nd conjugation: verbs ending in-ir, with the present participle ending in-issant. There are about 300 verbs in this group.^[2]
• 3rd group: All other verbs: verbs with infinitives in-re,-oir,-ir with the present participle ending in-ant, the verballer.

The verb forms of French are the finite forms, which are combinations of grammatical moods in various tenses, and the non-finite forms. Themoods are:indicative (indicatif),subjunctive (subjonctif),conditional (conditionnel) andimperative (impératif).Tense formation can be either simple (a single, conjugated form), or compound (an auxiliary verb plus a participle, which is not conjugated; see below for details).The finite forms are:

• Indicative
  • Present (présent) which is simple
  • Present perfect (passé composé): literally "compound past", formed with an auxiliary verb in the present
  • Imperfect (imparfait), simple
  • Pluperfect (plus-que-parfait): literally "more than perfect", formed with an auxiliary verb in the imperfect
  • Simple past (passé simple) Conventionally used only in written language (especially in literature) or in extremely formal speech.
  • Past perfect (passé antérieur): formed with an auxiliary verb in the past simple. It is somewhat rare.
  • Simple future (futur simple)
  • Future perfect (futur antérieur): formed with an auxiliary verb in the future simple
• Subjunctive
  • Present, simple
  • Past (passé): formed with an auxiliary verb in the subjunctive present
  • Imperfect, simple. Somewhat rare.
  • Pluperfect: formed with an auxiliary verb in the subjunctive imperfect. Somewhat rare.
• Imperative
  • Present, simple
  • Past: formed with an auxiliary verb in the present imperative. Very rarely used in contemporary French.
• Conditional
  • Present
  • Past (form 1): formed with an auxiliary verb in the present conditional
  • Past (form 2): formed with an auxiliary verb in the imperfect subjunctive. Rarely used.

The non-finite forms are:

• Past participle
• Present participle
• Gerundive: (constructed by preceding the present participle with the prepositionen)

Both participles may be used as adjectives in which case they are inflected as adjectives. Used as an adjective the present participle is known as the verbal adjective. There are some cases where a form similar but not identical to the present participle is used for the verbal adjective.

There are twoauxiliary verbs in French:avoir (to have) andêtre (to be), used to conjugate compound tenses according to these rules:

• Transitive verbs (direct or indirect) in theactive voice are conjugated with the verbavoir.
• Intransitive verbs are conjugated with eitheravoir orêtre (seeFrench verbs#Temporal auxiliary verbs).
• Reflexive verbs (or "pronominal verbs") are conjugated withêtre.
• être is used to form thepassive voice. In the passive, it is sometimes necessary to combine conjugated forms ofêtre withavoir as an additional auxiliary verb, e.g.Il a été mangé (It was eaten).

Compound tenses are conjugated with an auxiliary followed by the past participle, ex:j'ai fait (I did),je suis tombé (I fell). Whenêtre is used, the participle isinflected according to thegender andnumber of the subject. The participle is inflected with the use of the verbavoir according to the direct object, but only if the direct object precedes the participle, ex:

• il a marché, elle a marché, nous avons marché (he walked, she walked, we walked)
• il est tombé, elle est tombée, nous sommes tombés, elles sont tombées (he fell, she fell, we fell, they (fem.) fell)
• Il a acheté une voiture. Voilà la voiture qu'il a achetée. (He bought a car. Here is the car he bought)

As stand-alone verbs, the conjugation of the two auxiliaries is listed in the appendix at the end of the article.

French verbs ending in-er, which constitute the largest class, inflect somewhat differently from other verbs. The endings in the present simple singular are written-e (first person singular),-es (second person singular) and-e (third person singular), while in the other two groups the endings are more usually-s,-s and-t respectively. This variation is purely orthographic, as these endings are not pronounced in speech. Additional orthographic variations are also implemented to reflect pronunciation; see below for spelling rules.

The first group is demonstrated below withparler.

Present participle: parl-ant
Past participle: parl-é
Auxiliary verb:avoir(arriver,entrer,monter,passer,rester,rentrer,retourner, andtomber useêtre)

Spelling rules:

• In-cer verbs, thec becomes aç before endings that start witha oro, to indicate that it is still pronounced /s/ (je déplac-e - nous déplaç-ons); similarly, in-ger verbs, theg becomesge before such endings, to indicate that it is pronounced /ʒ/ (je mange :nous mangeons).
• In-oyer and-uyer verbs, they becomes ani before endings that start with a silente (nous envoyons :j'envoie); in-ayer verbs, this change is optional; bothje paye andje paie are accepted as standard. Additionally, the future and conditional forms ofenvoyer start withenverr- rather thanenvoyer-; and similarly withrenvoyer.
• In-é.er verbs, theé becomes anè before silent endings, and optionally in the future and conditional tenses.
• In-e.er verbs other than most-eler and-eter verbs, thee becomes anè before endings that start with a silente (including the future and conditional endings). For example:peler (to peel) ->je pèle (present) /je pèlerai (future) /je pèlerais (conditional).
• In most-eler and-eter verbs,e is changed to anè before endings that start with a silente, andl ort are changed toll ortt. In the rest of these verbs, only one or the other form is considered standard. For example:appeler (to call) ->j'appelle (present) /j'appellerai (future) /j'appellerais (conditional).
• The verbal adjective of following verbs is irregular:adhérer -adhérent;coïncider -coïncident;confluer -confluent;affluer -affluent;converger -convergent;déterger -détergent;différer -différent;exceller -excellent;diverger -divergent;négliger -négligent;précéder -précédent;violer -violent;influer -influent;communiquer -communicant;suffoquer -suffocant;provoquer -provocant;naviguer -navigant;déléguer -délégant;fatiguer -fatigant;intriguer -intrigant.

Exceptional contexts:

• When the first-person singular present tense form of the indicative or subjunctive is found in inversion, authorities require that the finale is changed to eitheré (traditional usage) orè (modern usage), in order to link the two words :Parlè-je ?, "Am I speaking?". However, this construction is very rare.
• When the second-person singular form of the imperative is followed by its objecty oren, a finals is added:Parles-en !, "Talk about it!"

Irregular verbs:

• envoyer is an irregular in the future and conditional stem -j'enverrai etc.,j'enverrais etc. Similarly:renvoyer "resend"
• aller, though it ends in-er, belongs to the third group.

The-ir verbs differ from the-er verbs in the following points:

• The vowel of the inflections is always-i-, for example-isse in the past subjunctive rather than the-asse of the-er verbs.
• A few of the singular inflections themselves change, though this is purely orthographic and does not affect the pronunciation: in the present simple and past simple, these are-s, -s, -t rather than-Ø, -s, -Ø. (The change in pronunciation is due to the change of vowel frome, ai, a to-i-.)
• In the present simple, imperfect, the present subjunctive, and the present participle, a suffix-iss- appears between the root and the inflectional endings. In the present simple singular, this suffix has disappeared and the endings are-is, -is, -it.

Present participle: chois-iss-ant
Past participle: chois-i
Auxiliary verb: avoir (partir uses être)

Verbs of the third group have infinitive endings -

• 1st section:-ir, with the present participle ending in-ant
• 2nd section:-oir
• 3rd section:-re
• aller is included in the third group.

The third group contains all verbs not contained in the first two. While the first and second group have very few irregular members there is a great deal of variation in the third group. Nearly all verbs classified as irregular are included in the third group.

The first source of variation in irregular verbs is stem changes. Stem changes can occur in six places. It is possible to say that the verbs havesevenprincipal parts, the first being the infinitive itself. No verb has separate stems for all seven parts; instead, rather they tend to "inherit"the same stem as another part.

The following table shows a conjugation scheme that allows for stem changes. As presented, the table accommodates not only third group verbs but also second group verbs, both having basically the same endings.

A regular second group verb would appear with a stem change in the 1P position and would require a little attention to the 1S stem. The verbchoisir is included to represent regular second verbs andhaïr is listed as an irregular second group verb. First group verbs wouldhave different endings in some cases but no stem change.

¹ Aspelling rule applies here.
² +t if ends with vowel, else +s.
Present participle:1P-ant
Past participle:PP

Spelling rules

• In the indicative present third person singular the-t is regularly dropped when directly following ad ort (e.g.il vend "he sells", not*il vendt).

The following table gives the stem changes or principal parts for a number of irregular verbs.Stems that are irregular in the sense of being unpredictable by the above rules are given inboldface.

Occasionally endings depart from the norm. This is the second source of irregularity.

Such cases are listed in the table following, again with the irregular occurrences highlighted in bold.

^* See following table for exceptions.
¹ Only in Quebec French.
³ Alternation of "-ai-" and-oi- before consonant or unstressede, "-ay-" and-oy- before other vowels is automatic in all verbs.
⁶ The stem is inferred though the usual rule does not apply.
⁷ ReadG2 as a sub-heading meaning that the following two entries are in group 2.G3 indicates that all following entries are in group 3.

² Case of-t being dropped when directly following ad ort.
⁴ See following table for similar verbs.
⁵ See following table for notes.

Infinitive:recevoir "receive"
INF: recev-
1S: reçoi-
1P: recev-
3P: reçoiv-
FUT: recevr-
PP: reçu-
PAST: reçu-

Present participle: recev-ant
Past participle: reçu

There are nine verbs which have an irregular subjunctive stem. These verbs are generally the most irregular verbs in French. With them verbs the 3P stem plays no role and the 1S stem is little use in inferring the present indicative inflections.Many of them construct the present indicative (especially the singular) in an idiosyncratic fashion. The verballer also constructs its past participle and past simple differently, according to the endings for-er verbs.

A feature with these verbs is the competition between the SUBJ stem and the 1P stem to control the first and second plural present subjunctive, the imperative and the present participle, in ways that vary from verb to verb.

The paradigm taking into account the subjunctive stem is shown in the following table.The keys1S etc are as for the 7 principal part irregular verbs. In additionSUBJ stands for first person singular present subjunctive stem.

¹ +t if ends with vowel, else +s
Present participle:1P-antorSUBJ-ant
Past participle:PP(e)(s)

The following table gives the principal parts of the nine verbs. Stems that are irregular in the sense of being unpredictable by the above rules are shown inboldface. The column headed 1/2 Plural tells whether the subjunctive 1st and 2nd person plural follow the subjunctive stem or the 1P indicative stem. Likewise the Imperative column and the Present Participle column. Still there are irregularities where the inflections depart from the paradigm. These cases are indicated with an asterisk and the exceptional inflections are listed separately.

^* See following table for exceptions.

¹ See following table for similar verbs.
² See following table for notes.
³ In Classical French and even in certain dialects (like in Cajun and some Quebec dialects)je vas is used.

This verb has different stems for different tenses. These are imperfectav-; present subjunctiveai- future and conditionalaur-; past simple and past subjunctivee-. Although the stem changes, the inflections of these tenses are as a regular-oir verb.

In the present, not only are there stem changes, but the inflections are irregular as well:

¹ Notice that the imperative form uses the subjunctive conjugation.

Non-finite forms:

• Infinitive: avoir
• Present participle: ayant
• Past participle: eu

Auxiliary verb:avoir

This verb has different stems for different tenses. These are all pronounced differently: imperfectét-; present subjunctivesoi-; future and conditionalser-; past simple and past subjunctive inf-. The inflections of these tenses are as a regular-oir verb (that is, as an-re verb but with the vowelu/y/ in thef- forms). For example, subjunctivesoyons, soyez is pronounced with they sound of other-re and-oir verbs.

In the present simple, not only are there stem changes, but the inflections are irregular as well:

¹ The imperative form uses the subjunctive conjugation.

The non-finite forms use the stemêt-/ɛt/ (before a consonant)/ét-/et/ (before a vowel):

• Infinitive: être
• Present participle: étant
• Past participle: été

Auxiliary verb:avoir

The verballer means "to go" and is sufficiently irregular that it merits listing its conjugation in full, due to being asuppletive verb. It is the only verb with the first group ending "er" to have an irregular conjugation. It belongs to none of the three sections of the third group, and is often categorized on its own.The verb has different stems for different tenses. These are all pronounced differently: pastall-/al/ (past simple, imperfect, past subjunctive); present subjunctiveaill-; conditional and futureir-. The inflections of these tenses are completely regular, and pronounced as in any other-er verb. However, in the present simple, not only are there stem changes, but the inflections are irregular as well:

The non-finite forms are all based onall- :

• Infinitive: aller
• Present participle: allant
• Past participle: allé

Auxiliary verb:être

¹ In Classical French and even in certain dialects (like in Cajun and some Quebec dialects)je vas is used.

• Bescherelle, a reference book for (usually French) verb conjugation
• Larousse de la conjugaison, 1980.

• Verb2Verbe - French/English verb conjugation with translations
• Language Atlas - overview of all the different types of conjugations
• Le Conjugueur - online conjugation for all French verbs
• Bescherelle - conjugation & conjugation books.
• WordReference - French conjugation (Beta)
• Conjugation-FR - French conjugation
• Open source XML database of French verb conjugation rules.
• French Verbs Aloud - conjugations by speaking and listening
• French verb practice at UT AustinArchived 2021-01-19 at theWayback Machine
• schoLINGUA - Conjugation trainer - over 12,000 French verbs
• Comment-conjuguer.fr - online conjugation for all French verbs and conjugation rules

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• Indo-European verbs

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