potvrđen

In a sentence

• Njegov dolazak na konferenciju je potvrđen.

  His attendance at the conference has been confirmed.

  In this sentence, "potvrđen" functions as a predicate adjective conveying that the subject "Njegov dolazak" has been confirmed as an event.

• Potvrđen je za člana odbora nakon izbora.

  He was confirmed as a member of the committee after the election.

  Here, "potvrđen" acts as a participle describing the state of the subject "he" being officially declared a committee member.

• Datum našeg susreta još nije potvrđen.

  The date of our meeting is not yet confirmed.

  In this sentence, "potvrđen" works as a predicate adjective to describe the status of the subject "datum našeg susreta" indicating it has not yet been validated.