From Middle Low German gruveln and German grübeln. Doublet of gräva.
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grubbla (present grubblar, preterite grubblade, supine grubblat, imperative grubbla)
active | passive | |||
---|---|---|---|---|
infinitive | grubbla | — | ||
supine | grubblat | — | ||
imperative | grubbla | — | ||
imper. plural1 | grubblen | — | ||
present | past | present | past | |
indicative | grubblar | grubblade | — | — |
ind. plural1 | grubbla | grubblade | — | — |
subjunctive2 | grubble | grubblade | — | — |
present participle | grubblande | |||
past participle | — |
1 Archaic. 2 Dated. See the appendix on Swedish verbs.