| je | diffame |
| tu | diffames |
| il/elle/on | diffame |
| nous | diffamons |
| vous | diffamez |
| ils/elles | diffament |
| je | ai diffamé |
| tu | as diffamé |
| il/elle/on | a diffamé |
| nous | avons diffamé |
| vous | avez diffamé |
| ils/elles | ont diffamé |
| je | diffamais |
| tu | diffamais |
| il/elle/on | diffamait |
| nous | diffamions |
| vous | diffamiez |
| ils/elles | diffamaient |
| je | avais diffamé |
| tu | avais diffamé |
| il/elle/on | avait diffamé |
| nous | avions diffamé |
| vous | aviez diffamé |
| ils/elles | avaient diffamé |
| je | diffamerai |
| tu | diffameras |
| il/elle/on | diffamera |
| nous | diffamerons |
| vous | diffamerez |
| ils/elles | diffameront |
| je | aurai diffamé |
| tu | auras diffamé |
| il/elle/on | aura diffamé |
| nous | aurons diffamé |
| vous | aurez diffamé |
| ils/elles | auront diffamé |
| je | eus diffamé |
| tu | eus diffamé |
| il/elle/on | eut diffamé |
| nous | eûmes diffamé |
| vous | eûtes diffamé |
| ils/elles | eurent diffamé |
| je | diffamai |
| tu | diffamas |
| il/elle/on | diffama |
| nous | diffamâmes |
| vous | diffamâtes |
| ils/elles | diffamèrent |
| je | diffame |
| tu | diffames |
| il/elle/on | diffame |
| nous | diffamions |
| vous | diffamiez |
| ils/elles | diffament |
| je | aie diffamé |
| tu | aies diffamé |
| il/elle/on | ait diffamé |
| nous | ayons diffamé |
| vous | ayez diffamé |
| ils/elles | aient diffamé |
| je | diffamasse |
| tu | diffamasses |
| il/elle/on | diffamât |
| nous | diffamassions |
| vous | diffamassiez |
| ils/elles | diffamassent |
| je | eusse diffamé |
| tu | eusses diffamé |
| il/elle/on | eût diffamé |
| nous | eussions diffamé |
| vous | eussiez diffamé |
| ils/elles | eussent diffamé |
| je | diffamerais |
| tu | diffamerais |
| il/elle/on | diffamerait |
| nous | diffamerions |
| vous | diffameriez |
| ils/elles | diffameraient |
| je | aurais diffamé |
| tu | aurais diffamé |
| il/elle/on | aurait diffamé |
| nous | aurions diffamé |
| vous | auriez diffamé |
| ils/elles | auraient diffamé |
| tu | diffame |
| nous | diffamons |
| vous | diffamez |