금지하는

In a sentence

• 여기는 흡연을 금지하는 장소입니다.

  This is a place where smoking is prohibited.

  The word '금지하는' is used here as an adjective to describe '장소' (place), indicating that the place prohibits smoking.

• 그는 친구가 너무 자주 게임을 하는 것을 금지하는 경향이 있어요.

  He tends to forbid his friend from playing games too often.

  In this sentence, '금지하는' is used in the form of a relative clause describing the tendency ('경향'), specifying the action being forbidden.

• 학교는 학생들이 위험한 활동에 참여하는 것을 금지하는 규정을 가지고 있습니다.

  The school has a policy that prohibits students from participating in dangerous activities.

  Here, '금지하는' functions within a clause to describe a set of rules ('규정') that include the act of prohibition of certain activities.