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Perustua (Verb type1)

Translations

  1. to be based on (+ illative) (e.g. of a work of art)
    Elokuva perustuu tositapahtumiin.
    The movie is based on a true story.
  2. to be based on, be grounded in (+ illative) (e.g. of an opinion)
    Mihin mielipiteesi perustuu?
    What is your opinion based on?
  3. to be founded on, be based on, rest on (+ allative/illative) (e.g. of some sort of system)
    Tämä yhteiskunta perustuu luottamukselle.
    This society rests on confidence.

Conjugations

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".