Breakdown of Обсуждаемая теория описывает современное общество.
современный
modern
обсуждать
to discuss
описывать
to describe
теория
theory
Questions & Answers about Обсуждаемая теория описывает современное общество.
How is the participle обсуждаемая formed here?
It is a present passive participle. To make it, we take the imperfective verb обсуждать (to discuss), find the present tense stem (обсужда-), add the passive suffix -ем-, and finally add an adjective ending. Because it describes теория (a feminine, singular, nominative noun), it takes the feminine ending -ая.
The translation says "discussed," which sounds like past tense. Why use a present participle?
English often uses a past participle ("discussed") as a general adjective, but in Russian, this present passive participle literally means "which is currently being discussed" or "which is regularly discussed." It comes from an imperfective verb, focusing on the ongoing process rather than a completed, past result.
Would обсуждаемая change its ending if it were the object of a different sentence?
Yes! Because participles decline exactly like adjectives, they change to match the case of the noun they describe. If you said "I am reading the discussed theory" (Я читаю обсуждаемую теорию), both the noun and the participle would take their feminine accusative endings (-ую).
Since современное общество (modern society) is the direct object receiving the action, why doesn't its ending change?
Общество is a neuter noun. In Russian, neuter nouns (and the adjectives attached to them) have the exact same form in the accusative case as they do in the nominative case. So современное общество is technically in the accusative case here, but the spelling remains identical to its dictionary form.