French reference
prévenir
to warn; to let someone know; to prevent
Irregular · 19 form tables
Includes indicative, conditional, subjunctive and imperative forms. Literary categories and supplied participle agreement forms are labeled separately.
Audio requires a compatible voice in your browser.
Indicative
Present
| Person, form or usage | Form and meaning |
|---|---|
| je | I warn |
| tu | you warn |
| il/elle/on | he/she warns |
| nous | we warn |
| vous | you (plural/formal) warn |
| ils/elles | they warn |
Compound past
| Person, form or usage | Form and meaning |
|---|---|
| je | I warned; I have warned |
| tu | you warned; you have warned |
| il/elle/on | he/she warned; he/she has warned |
| nous | we warned; we have warned |
| vous | you (plural/formal) warned; you (plural/formal) have warned |
| ils/elles | they warned; they have warned |
Imperfect
| Person, form or usage | Form and meaning |
|---|---|
| je | I used to warn |
| tu | you used to warn |
| il/elle/on | he/she used to warn |
| nous | we used to warn |
| vous | you (plural/formal) used to warn |
| ils/elles | they used to warn |
Pluperfect
| Person, form or usage | Form and meaning |
|---|---|
| je | I had warned |
| tu | you had warned |
| il/elle/on | he/she had warned |
| nous | we had warned |
| vous | you (plural/formal) had warned |
| ils/elles | they had warned |
Future
| Person, form or usage | Form and meaning |
|---|---|
| je | I will warn |
| tu | you will warn |
| il/elle/on | he/she will warn |
| nous | we will warn |
| vous | you (plural/formal) will warn |
| ils/elles | they will warn |
Future perfect
| Person, form or usage | Form and meaning |
|---|---|
| je | I will have warned |
| tu | you will have warned |
| il/elle/on | he/she will have warned |
| nous | we will have warned |
| vous | you (plural/formal) will have warned |
| ils/elles | they will have warned |
Near future
| Person, form or usage | Form and meaning |
|---|---|
| je | I am going to warn |
| tu | you are going to warn |
| il/elle/on | he/she is going to warn |
| nous | we are going to warn |
| vous | you (plural/formal) are going to warn |
| ils/elles | they are going to warn |
Recent past
| Person, form or usage | Form and meaning |
|---|---|
| je | I have just warned |
| tu | you have just warned |
| il/elle/on | he/she has just warned |
| nous | we have just warned |
| vous | you (plural/formal) have just warned |
| ils/elles | they have just warned |
Simple past (literary)
| Person, form or usage | Form and meaning |
|---|---|
| je | I warned |
| tu | you warned |
| il/elle/on | he/she warned |
| nous | we warned |
| vous | you (plural/formal) warned |
| ils/elles | they warned |
Past anterior (literary)
| Person, form or usage | Form and meaning |
|---|---|
| je | I had warned |
| tu | you had warned |
| il/elle/on | he/she had warned |
| nous | we had warned |
| vous | you (plural/formal) had warned |
| ils/elles | they had warned |
Conditional
Conditional
| Person, form or usage | Form and meaning |
|---|---|
| je | I would warn |
| tu | you would warn |
| il/elle/on | he/she would warn |
| nous | we would warn |
| vous | you (plural/formal) would warn |
| ils/elles | they would warn |
Past conditional
| Person, form or usage | Form and meaning |
|---|---|
| je | I would have warned |
| tu | you would have warned |
| il/elle/on | he/she would have warned |
| nous | we would have warned |
| vous | you (plural/formal) would have warned |
| ils/elles | they would have warned |
Past conditional, second form (literary)
| Person, form or usage | Form and meaning |
|---|---|
| je | I would have warned |
| tu | you would have warned |
| il/elle/on | he/she would have warned |
| nous | we would have warned |
| vous | you (plural/formal) would have warned |
| ils/elles | they would have warned |
Subjunctive
Present subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| je | (that) I warn |
| tu | (that) you warn |
| il/elle/on | (that) he/she warns |
| nous | (that) we warn |
| vous | (that) you (plural/formal) warn |
| ils/elles | (that) they warn |
Past subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| je | (that) I have warned |
| tu | (that) you have warned |
| il/elle/on | (that) he/she has warned |
| nous | (that) we have warned |
| vous | (that) you (plural/formal) have warned |
| ils/elles | (that) they have warned |
Imperfect subjunctive (literary)
| Person, form or usage | Form and meaning |
|---|---|
| je | (that) I warned |
| tu | (that) you warned |
| il/elle/on | (that) he/she warned |
| nous | (that) we warned |
| vous | (that) you (plural/formal) warned |
| ils/elles | (that) they warned |
Pluperfect subjunctive (literary)
| Person, form or usage | Form and meaning |
|---|---|
| je | (that) I had warned |
| tu | (that) you had warned |
| il/elle/on | (that) he/she had warned |
| nous | (that) we had warned |
| vous | (that) you (plural/formal) had warned |
| ils/elles | (that) they had warned |
Imperative
Imperative
| Person, form or usage | Form and meaning |
|---|---|
| tu | warn! |
| nous | let's warn! |
| vous | warn! (plural/formal) |
Past imperative
| Person, form or usage | Form and meaning |
|---|---|
| tu | have warned by then! |
| nous | let's have warned by then! |
| vous | have warned by then! (plural/formal) |
Additional forms
- Gerund
- Present participle
- Past participle
- / / /
- Past infinitive
- Perfect participle
Forms from the Loquus reference. Only supplied forms are shown. Browse all French entries.