Comprendre Conjugation in French: The Ultimate Guide & Conjugation Charts

The verb comprendre (meaning to understand or to include) is an indispensable element of French communication. Belonging to the 3rd group of irregular verbs, comprendre derives directly from prendre (to take). Mastering this verb gives you the keys to conjugate an entire family of verbs, including apprendre (to learn), surprendre (to surprise), and reprendre (to take back).

In this expert guide, we provide the full conjugation tables across the most used moods and tenses, break down its root changes, and highlight native-level usage tips.

1. Morphological Features of Comprendre

Because comprendre is an irregular verb, its stem alters depending on the tense and subject pronoun. You will primarily see three distinct stem patterns in the present tense:

1. Comprend- before silent endings (je comprends, tu comprends, il comprend).

2. Compren- before pronounced vowel endings (nous comprenons, vous comprenez).

3. Comprenn- where the "n" doubles to keep the open vowel sound [ɛn] (ils comprennent, que je comprenne).

The past participle is always compris, and compound tenses use the auxiliary verb avoir.

2. Indicative Tenses (Mode Indicatif)

Present Tense (Présent)

The present tense is used for ongoing states, routines, or general facts.

Compound Past (Passé Composé)

Subject Pronoun Conjugation English Equivalent
:--- :--- :---
Je comprends I understand
Tu comprends You understand (informal)
Il / Elle / On comprend He / She / One understands
Nous comprenons We understand
Vous comprenez You understand (formal/plural)
Ils / Elles comprennent They understand

Used for finished events and completed past actions.

Imperfect Tense (Imparfait)

Subject Pronoun Conjugation English Equivalent
:--- :--- :---
J' ai compris I understood / I have understood
Tu as compris You understood
Il / Elle / On a compris He / She understood
Nous avons compris We understood
Vous avez compris You understood
Ils / Elles ont compris They understood

Used for continuous descriptions, habits, or ongoing states of mind in the past.

Simple Future (Futur Simple)

Subject Pronoun Conjugation English Equivalent
:--- :--- :---
Je comprenais I used to understand / I understood
Tu comprenais You used to understand
Il / Elle / On comprenait He / She used to understand
Nous comprenions We used to understand
Vous compreniez You used to understand
Ils / Elles comprenaient They used to understand

Formed by taking the infinitive without the final e and adding the standard future endings.

3. Subjunctive and Conditional Moods

Present Conditional (Conditionnel Présent)

Subject Pronoun Conjugation English Equivalent
:--- :--- :---
Je comprendrai I will understand
Tu comprendras You will understand
Il / Elle / On comprendra He / She will understand
Nous comprendrons We will understand
Vous comprendrez You will understand
Ils / Elles comprendront They will understand
  • Je comprendrais (I would understand)
  • Tu comprendrais (You would understand)
  • Il / Elle comprendrait (He / She would understand)
  • Nous comprendrions (We would understand)
  • Vous comprendriez (You would understand)
  • Ils / Elles comprendraient (They would understand)

    • Used for polite requests, advice, or hypothetical scenarios.

    Present Subjunctive (Subjonctif Présent)

  • Que je comprenne
  • Que tu comprennes
  • Qu'il / elle comprenne
  • Que nous comprenions
  • Que vous compreniez
  • Qu'ils / elles comprennent

    • Triggered after verbs of necessity, emotion, doubt, or subjective judgment (il faut que...).

Rule to remember: Notice that nous and vous retain the single "n" with an "i" (comprenions, compreniez), identical in pronunciation to the imperfect.

4. Imperative Mood and Participles

Imperative (Impératif)

  • Comprends ! (Understand! - informal)
  • Comprenons ! (Let's understand!)
  • Comprenez ! (Understand! - formal/plural)

    • Used for giving commands or advice:

    Participles

  • Present Participle: comprenant (understanding / including)
  • Past Participle: compris (understood / included)

    • 5. Common Errors and Idiomatic Expressions

    Avoid These Mistakes

1. Writing "Je comprend" without "s": First-person singular in the present must end in -ds (Je comprends). The 3rd-person singular drops the "s" (Il comprend).

2. Missing the double "n" in ils comprennent: If you write ils comprent or ils comprenent, pronunciation changes. The double "n" indicates that the vowel is short and open.

3. Overusing the subjunctive: Remember that je pense que... uses the indicative when affirmative (Je pense qu'il comprend), but switches to subjunctive when negated (Je ne pense pas qu'il comprenne).

Essential French Phrases

  • C'est compris ? = Understood? / Got it?
  • Tout bien compris = All things considered.
  • Y compris... = Including... (Service y compris = Service included).
  • Comprendre de travers = To misunderstand completely.

Practice conjugating comprendre daily in realistic dialogues, and its patterns will quickly become second nature in your spoken and written French.