Bøying av det engelske verbet to ascertain i alle sine former.
| Verbtid | Verbbøying (Uregelrett) |
|---|---|
| Infinitive: | to ascertain |
| 3rd person singular: | ascertains |
| Past simple: | ascertained |
| Past participle: | ascertained |
| Present participle: | ascertaining |
| Imperative: | ascertain! |