przedstawiano
Przedstawiano is a form of the Polish verb przedstawiać (to present, to introduce). It is the imperfective aspect in the past tense, used in the passive voice with an unspecified agent. In neutral, formal writing it functions to describe that something was presented or introduced, without naming who did the presenting.
In use, przedstawiano appears in contexts such as journalism, reports, and official documents where the emphasis
Distinctions with related forms are important. The corresponding perfective past passive form, przedstawiono, signals a completed,
Etymology and grammar note: the verb is built from przedstawiać with the prefix przed-, indicating an action