| Present | Preterite | |
|---|---|---|
| Indicative | ||
| 1st person | (ic) forswæle | (ic) forswælede |
| 2nd person | (þū) forswælest | (þū) forswæledest |
| 3rd person | (hē/hēo/hit) forswælaþ | (hē/hēo/hit) forswælede |
| Plural | (wē/gē/hīe) forswælaþ | (wē/gē/hīe) forswæledon |
| Subjunctive | ||
| Singular | forswæle | forswælede |
| Plural | forswælen | forswæleden |
| Participles | ||
| Plural | forswælende | geforswæled |
| Imperative | ||
| Singular | forswæle | - |
| Plural | forswælaþ | - |
| Inflected Infinitive | ||
| forswælan | ||