powiadomiły

In a sentence

• Powiadomiły mnie o zmianach w harmonogramie.

  They informed me about the changes in the schedule.

  Here, "powiadomiły" is the perfect past tense of "powiadomić", used for reporting completed informational actions by a third-person plural subject.

• Kiedy zamknięto szkoły, powiadomiły rodziców o sytuacji.

  When the schools were closed, they informed the parents about the situation.

  In this sentence, "powiadomiły" demonstrates past action in a narrative context, executed by a third-person plural subject.

• Po zakończeniu imprezy, powiadomiły opiekunów o powrocie.

  After the event ended, they informed the guardians about returning.

  Here, "powiadomiły" conveys the completion of the informing action in its narrative historical usage.