| Present | Preterite | |
|---|---|---|
| Indicative | ||
| 1st person | (ic) ierfe | (ic) ierfde |
| 2nd person | (þū) ierfest, ierfst | (þū) ierfdest |
| 3rd person | (hē/hēo/hit) ierfeþ, ierfþ | (hē/hēo/hit) ierfde |
| Plural | (wē/gē/hīe) ierfaþ | (wē/gē/hīe) ierfdon |
| Subjunctive | ||
| Singular | ierfe | ierfde |
| Plural | ierfen | ierfden |
| Participles | ||
| Plural | ierfende | ierfed |
| Imperative | ||
| Singular | ierf | - |
| Plural | ierfaþ | - |
| Inflected Infinitive | ||
| ierfenne | ||