근무했던

In a sentence

• 나는 전에 서울의 한 회사에서 근무했던 경험이 있다.

  I have experience working at a company in Seoul before.

  The word '근무했던' describes the speaker's past work experience, using the past-tense modifier form.

• 그가 근무했던 병원은 작년에 문을 닫았다.

  The hospital where he worked closed last year.

  Here, '근무했던' attributes past working activity to a specific subject, indicating it happened in relation to the hospital.

• 근무했던 자리에서 새로운 직원들이 일을 시작했다.

  New employees started working at the position where someone previously worked.

  In this context, '근무했던' refers to the location or role previously occupied or worked in.