The most basic kind of conjugation applies to verbs (active).
How about conjugated verbs into their passive forms?
There are more ( complicated ) rules to conjugating verbs into their passive forms.
놓다 -> 놓이다 (put/placed -> be put/be placed)
쌓다 -> 쌓이다 (stack -> be stacked)
붙다 -> 붙이다 (stick -> be stuck)
보다 -> 보이다 (see -> be seen)
차다 -> 차이다 (dump -> be dumped)
바꾸다 -> 바뀌다 (change -> be changed)
쓰다 -> 쓰이다 (use/write -> be used/be written)
먹다 -> 먹히다 (eat -> be eaten)
읽다 -> 읽히다 (read -> be read)
닫다 -> 닫히다 (close -> be closed)
받다 -> 받히다 (receive/bump -> be bumped)
잡다 -> 잡히다 (catch -> be caught)
밟다 -> 밟히다 (step -> be stepped)
열다 -> 열리다 (open -> be opened)
팔다 -> 팔리다 (sell -> be sold)
듣다 -> 들리다 (hear -> be heard)
자르다 -> 잘리다 (cut -> be cut)
안다 -> 안기다 (hug/hold -> be hugged/be held)
끊다 -> 끊기다 (cut off/sever -> be cut off/be severed)
씻다 -> 씻기다 (wash/rinse -> be washed/be rinsed)
담다 -> 담기다 (put something in something -> be put into something)
쫓다 -> 쫓기다 (chase -> be chased)
There are some exceptions here and there but these are more commonly used nouns and how you can conjugate them.
The next time you see a verb conjugated in such a
way, be sure to notice that they are in their