By surface analysis, snaps + -a.
snapsa (present snapsar, preterite snapsade, supine snapsat, imperative snapsa)
active | passive | |||
---|---|---|---|---|
infinitive | snapsa | snapsas | ||
supine | snapsat | snapsats | ||
imperative | snapsa | — | ||
imper. plural1 | snapsen | — | ||
present | past | present | past | |
indicative | snapsar | snapsade | snapsas | snapsades |
ind. plural1 | snapsa | snapsade | snapsas | snapsades |
subjunctive2 | snapse | snapsade | snapses | snapsades |
present participle | snapsande | |||
past participle | — |
1 Archaic. 2 Dated. See the appendix on Swedish verbs.