| Present | Preterite | |
|---|---|---|
| Indicative | ||
| 1st person | (ic) grunnette | (ic) grunnette |
| 2nd person | (þū) grunnetst | (þū) grunnettest |
| 3rd person | (hē/hēo/hit) grunnett, grunnet | (hē/hēo/hit) grunnette |
| Plural | (wē/gē/hīe) grunnettaþ | (wē/gē/hīe) grunnetton |
| Subjunctive | ||
| Singular | grunnette | grunnette |
| Plural | grunnetten | grunnetten |
| Participles | ||
| Plural | grunnettende | grunneted, grunnett, grunnet |
| Imperative | ||
| Singular | grunnete | - |
| Plural | grunnettaþ | - |
| Inflected Infinitive | ||
| grunnettenne | ||