Bøying av det engelske verbet to underperform i alle sine former.
| Verbtid | Verbbøying (Uregelrett) |
|---|---|
| Infinitive: | to underperform |
| 3rd person singular: | underperforms |
| Past simple: | underperformed |
| Past participle: | underperformed |
| Present participle: | underperforming |
| Imperative: | underperform! |