Dormir Conjugation in French: Complete Tense Guide and Charts

Dormir Conjugation in French: Complete Charts, Rules, and Examples

Mastering the dormir conjugation in French is an essential milestone for any beginner or intermediate French learner. Translating directly to "to sleep", dormir is an everyday verb you will use and hear constantly.

However, dormir does not follow standard regular rules. It belongs to the irregular 3rd group (troisième groupe). In this comprehensive guide from my-french.com, you will learn how to conjugate dormir across all essential tenses, avoid classic pitfalls, and memorize popular native idioms.

1. How Does the Verb « Dormir » Work?

Unlike regular -ir verbs (such as finir or choisir), dormir never uses the -iss- infix in plural forms. You will never hear nous dormissons; the correct form is nous dormons.

The Core Stem Pattern

To easily master dormir, remember this rule of thumb for the present tense:

1. Singular subjects (je, tu, il/elle/on): Drop the final "m" of the root stem. The stem becomes dor- (je dors, tu dors, il dort).

2. Plural subjects (nous, vous, ils/elles): Keep the "m". The stem becomes dorm- (nous dormons, vous dormez, ils dorment).

3. Future & Conditional: Use the full infinitive dormir- as your stem (je dormirai, je dormirais).

2. Indicative Mood (L'indicatif)

Present Tense (Présent)

The present tense is used for ongoing states and habitual actions.

Pronunciation tip: Notice that dors and dort sound identical (/dɔʁ/). The final consonants s and t are completely silent.

Passé Composé (Compound Past)

To express completed past actions, use the auxiliary verb avoir followed by the past participle dormi.

• J'ai dormi (I slept / I have slept)
• Tu as dormi (You slept)
• Il/Elle/On a dormi (He/She/We slept)
• Nous avons dormi (We slept)
• Vous avez dormi (You slept)
• Ils/Elles ont dormi (They slept)

Example: J'ai bien dormi hier soir. (I slept well last night.)

Imperfect (Imparfait)

The imperfect expresses past habits or ongoing past states.

• Je dormais (I was sleeping / used to sleep)
• Tu dormais
• Il/Elle/On dormait
• Nous dormions
• Vous dormiez
• Ils/Elles dormaient

Future (Futur Simple)

Formed by taking the infinitive root dormir- and adding the standard future endings (-ai, -as, -a, -ons, -ez, -ont).

• Je dormirai (I will sleep)
• Tu dormiras
• Il/Elle/On dormira
• Nous dormirons
• Vous dormirez
• Ils/Elles dormiront

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3. Subjunctive and Conditional Moods

Present Subjunctive (Subjonctif Présent)

The subjunctive expresses necessity, wish, emotion, or uncertainty. It keeps the dorm- stem throughout all forms:

• Que je dorme
• Que tu dormes
• Qu'il/elle/on dorme
• Que nous dormions
• Que vous dormiez
• Qu'ils/elles dorment

Example: Il est important que vous dormiez suffisamment. (It is important that you sleep enough.)

Present Conditional (Conditionnel Présent)

Used for polite requests, advice, or hypothetical scenarios (would sleep):

• Je dormirais (I would sleep)
• Tu dormirais
• Il/Elle/On dormirait
• Nous dormirions
• Vous dormiriez
• Ils/Elles dormiraient

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4. Imperative and Participles

Imperative (L'impératif)

• Dors ! (Sleep! - informal)
• Dormons ! (Let's sleep!)
• Dormez ! (Sleep! - formal/plural)

For commands or invitations:

Participles

• Present Participle: dormant (sleeping)
• Past Participle: dormi (slept)
• Gerund: en dormant (while sleeping)

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5. Common Mistakes and Verb Family

1. "Dormir" vs. "S'endormir"

• Dormir: The ongoing state of being asleep (to sleep).
• S'endormir: The transition from waking to sleeping (to fall asleep). Because it is reflexive, its compound tenses take être (Je me suis endormi, not j'ai endormi).

One of the most frequent mistakes English speakers make is confusing dormir with s'endormir:

2. Verbs That Follow the Exact Same Pattern

• Partir (to leave) : je pars, nous partons
• Sortir (to go out) : je sors, nous sortons
• Mentir (to lie) : je mens, nous mentons
• Sentir (to feel/smell) : je sens, nous sentons
• Servir (to serve) : je sers, nous servons

Once you know dormir, you unlock several other essential irregular verbs that conjugate identically:

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6. Popular French Idioms with « Dormir »

Take your conversational French to the next level with these native expressions:

• Dormir à poings fermés : Lit. "to sleep with closed fists" — to sleep soundly / like a baby.
• Dormir sur ses deux oreilles : Lit. "to sleep on both ears" — to sleep with complete peace of mind.
• Dormir comme un loir : Lit. "to sleep like a dormouse" — to sleep deeply and for a very long time.
• Une histoire à dormir debout : A far-fetched, unbelievable excuse or tall tale.

With these charts and rules, you can confidently conjugate dormir in writing and conversation. Practice creating your own sentences daily to lock in these patterns!