The passive voice is formed from past active participle and the auxiliary verb شدن (shodan). Similarly, the present passive participle of a verb is formed from its past active participle and شونده (shavande), which is the present active participle of شدن.
|Infinitive||Past active participle||Present passive participle|
that is being closed
Regarding compound verbs made with کردن (kardan), the present passive participle is formed by replacing کردن (kardan) with شونده (shavande).
|Infinitive||Past passive participle|
who is being criticized
that is being opened
that is being cleaned