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collaborer: Conjugation

The collaborer conjugation tables below show how to form the French verb collaborer according to tense and person. To listen to the pronunciation of a given tense of collaborer, click on the loudspeaker icon at the bottom of the table. See the notes on the conjugation of collaborer at the end of this page.

Present	Perfect
je collabore tu collabores il/elle collabore nous collaborons vous collaborez ils/elles collaborent Pronounce these verb forms	j' ai collaboré tu as collaboré il/elle a collaboré nous avons collaboré vous avez collaboré ils/elles ont collaboré Pronounce these verb forms
Imperfect	Pluperfect
je collaborais tu collaborais il/elle collaborait nous collaborions vous collaboriez ils/elles collaboraient Pronounce these verb forms	j' avais collaboré tu avais collaboré il/elle avait collaboré nous avions collaboré vous aviez collaboré ils/elles avaient collaboré Pronounce these verb forms
Future	Future-perfect
je collaborerai tu collaboreras il/elle collaborera nous collaborerons vous collaborerez ils/elles collaboreront Pronounce these verb forms	j' aurai collaboré tu auras collaboré il/elle aura collaboré nous aurons collaboré vous aurez collaboré ils/elles auront collaboré Pronounce these verb forms
Conditional	Conditional perfect
je collaborerais tu collaborerais il/elle collaborerait nous collaborerions vous collaboreriez ils/elles collaboreraient Pronounce these verb forms	j' aurais collaboré tu aurais collaboré il/elle aurait collaboré nous aurions collaboré vous auriez collaboré ils/elles auraient collaboré Pronounce these verb forms
Present subjunctive	Perfect subjunctive
je collabore tu collabores il/elle collabore nous collaborions vous collaboriez ils/elles collaborent Pronounce these verb forms	j' aie collaboré tu aies collaboré il/elle ait collaboré nous ayons collaboré vous ayez collaboré ils/elles aient collaboré Pronounce these verb forms
Past historic	Past anterior
je collaborai tu collaboras il/elle collabora nous collaborâmes vous collaborâtes ils/elles collaborèrent Pronounce these verb forms	j' eus collaboré tu eus collaboré il/elle eut collaboré nous eûmes collaboré vous eûtes collaboré ils/elles eurent collaboré Pronounce these verb forms

This verb follows the so-called regular -er verb pattern, the pattern followed by vast majority of verbs of the language, and by practically all new verbs entering the language.

The regular -er pattern has the following defining features:

• No characteristic consonant (contrast, for example, with verbs following the finir or dormir patterns, which have a characteristic -ss- and -m- in all forms but the present tense singular);
• No vowel change in the stem, other than where necessary to respect general patterns of French phonology (e.g. see préférer)²;
• Past participle in -é¹.

1. Outside the regular -er paradigm, only aller, être and naître have past participles ending in -é.
2. Many other verb patterns, except verbs of the finir type plus a few other patterns, have an irregular vowel change, e.g. boire > je bois vs nous buvons. See the grammar section on irregular verb patterns in French for a list of the different vowel changes.