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Verb type: 4


  1. (auxiliary + first infinitive) to know how (to do something), can (do something)
    Osaatko sulkea tämän laitteen?
    Do you know how to switch this machine off?
  2. (transitive, usually atelic) to know (a language, a game or similar)
    Osaatko italiaa?
    Do you know Italian?
    Osaatko šakkia?
    Do you know (how to play) chess?
  3. (archaic) Synonym of osua


Indicative Conjugations

The present, imperfect, perfect, and pluperfect (past perfect) tenses in English correspond to "speaks", "spoke", "has spoken", and "had spoken".

Conditional Conjugations

The conditional present and perfect moods in English typically correspond to "would" and "would have".