osalenud

In a sentence

• Tänases seminaris on osalenud palju huvitavaid inimesi.

  Many interesting people have participated in today's seminar.

  Here, 'osalenud' is used as the past perfect form of 'osalemine' (participation), indicating action that has been completed prior to now.

• Konverentsi lõpus tunnustati neid, kes olid aktiivselt osalenud.

  At the end of the conference, those who had actively participated were recognized.

  In this sentence, 'osalenud' connects to an action completed before another event in the past, establishing a past perfect context.

• Ta on alati olnud meisterdamises osalenud ja oma ideid pakkunud.

  He has always participated in crafting and offered his ideas.

  Here, 'osalenud' reflects an ongoing occasional action in the past that contributes to the person's current characterization.