zamykane

In a sentence

• Drzwi do magazynu są zamykane na noc.

  The doors to the warehouse are locked at night.

  Here, 'zamykane' is used as an adjective in a passive construction indicating an action that is regularly performed on the object's state (i.e., closing the doors).

• Zamek w sejfie jest zamykany co wieczór.

  The lock in the safe is locked every evening.

  In this sentence, 'zamykany' (masculine singular form) describes a routine action performed regularly on the object.

• Książka była zamykana kilka razy w ciągu lekcji.

  The book was being closed several times during the lesson.

  Here, 'zamykana' indicates a repeated or ongoing past action applied to the book in a passive form.