Conjugation in Présent

Person	French	Example: French to English
je	comprends	je comprends — I understand / I am understanding
tu	comprends	tu comprends — you understand
il/elle/on	comprend	il/elle/on comprend — he/she/one understands
nous	comprenons	nous comprenons — we understand
vous	comprenez	vous comprenez — you (formal/plural) understand
ils/elles	comprennent	ils/elles comprennent — they understand

Passé composé of Comprendre

Person	French	Example: French to English
je	j’ai compris	j’ai compris — I have understood / I understood
tu	tu as compris	tu as compris — you have understood
il/elle/on	il a compris	il/elle/on a compris — he/she/one has understood
nous	nous avons compris	nous avons compris — we have understood
vous	vous avez compris	vous avez compris — you have understood
ils/elles	ils ont compris	ils/elles ont compris — they have understood

Règle de formation (Formation rule)

1. Auxiliaire : avoir (au présent) + participe passé.
2. Participe passé de comprendre : compris (invariable sauf cas d’accord, voir plus bas).

Imparfait of Comprendre

Person	French	Example: French to English
je	comprenais	je comprenais — I was understanding / I used to understand
tu	comprenais	tu comprenais — you were understanding
il/elle/on	comprenait	il/elle/on comprenait — he/she/one was understanding
nous	comprenions	nous comprenions — we were understanding
vous	compreniez	vous compreniez — you were understanding
ils/elles	comprenaient	ils/elles comprenaient — they were understanding

Plus-que-parfait — Pluperfect (had done)

Person	French	Example: French to English
je	j’avais compris	j’avais compris — I had understood
tu	tu avais compris	tu avais compris — you had understood
il/elle/on	il avait compris	il/elle/on avait compris — he/she/one had understood
nous	nous avions compris	nous avions compris — we had understood
vous	vous aviez compris	vous aviez compris — you had understood
ils/elles	ils avaient compris	ils/elles avaient compris — they had understood

Futur simple — Future (will)

Person	French	Example: French to English
je	comprendrai	je comprendrai — I will understand
tu	comprendras	tu comprendras — you will understand
il/elle/on	comprendra	il/elle/on comprendra — he/she/one will understand
nous	comprendrons	nous comprendrons — we will understand
vous	comprendrez	vous comprendrez — you will understand
ils/elles	comprendront	ils/elles comprendront — they will understand

Conditionnel présent of Comprendre

Person	French	Example: French to English
je	comprendrais	je comprendrais — I would understand
tu	comprendrais	tu comprendrais — you would understand
il/elle/on	comprendrait	il/elle/on comprendrait — he/she/one would understand
nous	comprendrions	nous comprendrions — we would understand
vous	comprendriez	vous comprendriez — you would understand
ils/elles	comprendraient	ils/elles comprendraient — they would understand

Subjonctif présent — Subjunctive (that … understand)

Person	French	Example: French to English
que je	comprenne	que je comprenne — that I understand
que tu	comprennes	que tu comprennes — that you understand
qu’il/elle/on	comprenne	qu’il/elle/on comprenne — that he/she/one understand
que nous	comprenions	que nous comprenions — that we understand
que vous	compreniez	que vous compreniez — that you understand
qu’ils/elles	comprennent	qu’ils/elles comprennent — that they understand

Impératif — Imperative (commands / suggestions)

Person	French	Example: French to English
(tu)	comprends	tu comprends — you understand! / Understand!
(nous)	comprenons	nous comprenons — we understand
(vous)	comprenez	vous comprenez — you all understand!

Passé simple — Literary past (written)

Person	French	Example: French to English
je	compris	je compris — I understood (literary)
tu	compris	tu compris — you understood
il/elle/on	comprit	il/elle/on comprit — he/she/one understood
nous	comprîmes	nous comprîmes — we understood
vous	comprîtes	vous comprîtes — you understood
ils/elles	comprirent	ils/elles comprirent — they understood