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grossir: Conjugation

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

Present	Perfect
je grossis tu grossis il/elle grossit nous grossissons vous grossissez ils/elles grossissent Pronounce these verb forms	j' ai grossi tu as grossi il/elle a grossi nous avons grossi vous avez grossi ils/elles ont grossi Pronounce these verb forms
Imperfect	Pluperfect
je grossissais tu grossissais il/elle grossissait nous grossissions vous grossissiez ils/elles grossissaient Pronounce these verb forms	j' avais grossi tu avais grossi il/elle avait grossi nous avions grossi vous aviez grossi ils/elles avaient grossi Pronounce these verb forms
Future	Future-perfect
je grossirai tu grossiras il/elle grossira nous grossirons vous grossirez ils/elles grossiront Pronounce these verb forms	j' aurai grossi tu auras grossi il/elle aura grossi nous aurons grossi vous aurez grossi ils/elles auront grossi Pronounce these verb forms
Conditional	Conditional perfect
je grossirais tu grossirais il/elle grossirait nous grossirions vous grossiriez ils/elles grossiraient Pronounce these verb forms	j' aurais grossi tu aurais grossi il/elle aurait grossi nous aurions grossi vous auriez grossi ils/elles auraient grossi Pronounce these verb forms
Present subjunctive	Perfect subjunctive
je grossisse tu grossisses il/elle grossisse nous grossissions vous grossissiez ils/elles grossissent Pronounce these verb forms	j' aie grossi tu aies grossi il/elle ait grossi nous ayons grossi vous ayez grossi ils/elles aient grossi Pronounce these verb forms
Past historic	Past anterior
je grossis tu grossis il/elle grossit nous grossîmes vous grossîtes ils/elles grossirent Pronounce these verb forms	j' eus grossi tu eus grossi il/elle eut grossi nous eûmes grossi vous eûtes grossi ils/elles eurent grossi Pronounce these verb forms

This verb falls into the pattern commonly termed regular -ir verb. It is characterised by the consonant -ss- which appears before any ending beginning with a vowel (in the spelling) but not in the infinitive or past participle.

This is the pattern generally followed by verbs based on colours and some other common adjectives (such as (to turn red, blush), jaunir (to turn yellow), grandir (to grow), adoucir (to soften) etc. Many English verbs ending in -ish also have French counterparts ending in -ir and following this pattern (cf finir, polir, vernir (to varnish), abolir, ternir...

Around 300 verbs are reported to follow this pattern (Beescherelle (2006), la conjugaison pour tous). The category is marginally productive:

• On analogy with other verbs of the category, very occasional -ir neologisms are formed (cf amarsir);
• There is a very slight tendancy for irregular -ir verbs to "slip into" the regular -ir pattern. In educated usage, this happens in some senses for saillir and ressortir in some senses, and sometimes for the verb vêtir (Bescherelle, op cit, p. 27). Other non-standard forms occasionally found include vous bouillissez (instead of vous bouillez: see bouillir).