tiesit

tiesit is the second-person singular past tense form of the Finnish verb tietää, which means "to know." It is used to express that the subject you knew something in the past. In everyday Finnish, tiesit can appear in statements or questions, most commonly as tiesitkö? to form a yes–no question.

Usage examples:

- Hän tiesi totuuden. (He/she knew the truth.)

- Tiesitkö, että kokous on siirretty? (Did you know that the meeting has been moved?)

Grammatical notes:

- tiesit is the past tense form that agrees with the second-person singular subject (sinä).

- The corresponding forms for the verb tietää in the past tense include tiesin (I knew), tiesit (you knew), tiesi (he/she knew), tiesimme (we knew), tiesitte (you all knew), tiesivät (they knew).

- To form a question with this verb, the question particle ko/kö is often attached: tiesitkö?.

Overview:

Tietää is a common, high-frequency verb in Finnish, used across formal and informal styles. The past tense form tiesit is encountered in narration, dialogue, and everyday conversation, maintaining a straightforward, regular inflection pattern consistent with other imperfect forms of tietää. The word tiesit stands as a typical example of Finnish verb conjugation, illustrating person-specific endings rather than a separate past tense marker.