How to Conjugate the Irregular French Verb 'Dormir' ('to Sleep')

Dormir, an irregular '-ir' verb, is conjugated like 'partir' and 'sortir'

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Dormir ("to sleep") is a very common, irregular -ir verb in the French language. Below are the simple conjugations of the verb dormir; they do not include the compound tenses, which consist of a form of the auxiliary verb with the past participle.

Within irregular -ir verbs, there are some patterns. Two groups exhibit similar characteristics and conjugation patterns. Then there is a final, large category of extremely irregular -ir verbs that follow no pattern.

Dormir lies in the first group of irregular -ir verbs that display a pattern. It includes dormir, mentirpartirsentir, servir, sortir, and all of their derivatives, such as repartir. All of these verbs share this characteristic: They all drop the last letter of the radical (root) in the singular conjugations. For instance, first person singular of dormir is je dors (no "m") and first person plural is nous dormons (retains the "m" from the root). The more you can recognize these patterns, the easier it will be to remember conjugations.

Generally speaking, most French verbs ending in -mir, -tir, or -vir are conjugated this way. Such verbs include:

dormir > to sleep
endormir > to put/send to sleep
redormir > to sleep some more
rendormir > to put back to sleep

départir > to accord
partir > to leave
repartir > to restart, set off again

consentir > to consent
pressentir  > to have a premonition
ressentir > to feel, sense
sentir > to feel, to smell

mentir > to lie
se repentir > to repent
sortir > to go out
servir > to serve, to be useful

Simple Conjugations of the Irregular French Verb 'Dormir"

 Present Future Imperfect Present participle
ildortdormiradormaitPassé composé
nousdormonsdormironsdormions   Auxiliary verb avoir
vousdormezdormirezdormiez   Past participledormi
 Subjunctive Conditional Passé simple Imperfect subjunctive
(nous) dormons