s'effondrer: Conjugation

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

PresentPerfect

jem'effondre
tut'effondres
il/elles'effondre
nousnous effondrons
vousvous effondrez
ils/elless'effondrent
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jeme suis effondré(e)
tut'es effondré(e)
il/elles'est effondré(e)
nousnous sommes effondré(e)s
vousvous êtes effondré(e)(s)
ils/ellesse sont effondré(e)s
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ImperfectPluperfect

jem'effondrais
tut'effondrais
il/elles'effondrait
nousnous effondrions
vousvous effondriez
ils/elless'effondraient
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jem'étais effondré(e)
tut'étais effondré(e)
il/elles'était effondré(e)
nousnous étions effondré(e)s
vousvous étiez effondré(e)(s)
ils/elless'étaient effondré(e)s
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FutureFuture-perfect

jem'effondrerai
tut'effondreras
il/elles'effondrera
nousnous effondrerons
vousvous effondrerez
ils/elless'effondreront
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jeme serai effondré(e)
tute seras effondré(e)
il/ellese sera effondré(e)
nousnous serons effondré(e)s
vousvous serez effondré(e)(s)
ils/ellesse seront effondré(e)s
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ConditionalConditional perfect

jem'effondrerais
tut'effondrerais
il/elles'effondrerait
nousnous effondrerions
vousvous effondreriez
ils/elless'effondreraient
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jeme serais effondré(e)
tute serais effondré(e)
il/ellese serait effondré(e)
nousnous serions effondré(e)s
vousvous seriez effondré(e)(s)
ils/ellesse seraient effondré(e)s
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Present subjunctivePerfect subjunctive

jem'effondre
tut'effondres
il/elles'effondre
nousnous effondrions
vousvous effondriez
ils/elless'effondrent
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jeme sois effondré(e)
tute sois effondré(e)
il/ellese soit effondré(e)
nousnous soyons effondré(e)s
vousvous soyez effondré(e)(s)
ils/ellesse soient effondré(e)s
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Past historicPast anterior

jem'effondrai
tut'effondras
il/elles'effondra
nousnous effondrâmes
vousvous effondrâtes
ils/elless'effondrèrent
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jeme fus effondré(e)
tute fus effondré(e)
il/ellese fut effondré(e)
nousnous fûmes effondré(e)s
vousvous fûtes effondré(e)(s)
ils/ellesse furent effondré(e)s
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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:

1. Outside the regular -er paradigm, only aller, être and naître have past participles ending in .
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.