Below is the list of irregular verbs in English in which past participle has two variations.
| Infinitive | Past Tense | Past Participle |
| Mow | Mowed | Mowed, mown |
| Prove | Proved | Proved, proven |
| Sew | Sewed | Sewed, sewn |
| Show | Showed | Showed, shown |
| Sow | Sowed | Sowed, sown |
| Swell | Swelled | Swelled, swollen |
