준비했던

In a sentence

• 나는 준비했던 발표를 성공적으로 마쳤어요.

  I successfully finished the presentation I had prepared.

  In this sentence, '준비했던' describes the presentation that the speaker had prepared, using past-tense descriptive form to refer to prior preparation.

• 그녀가 준비했던 요리가 아주 맛있었어요.

  The dish she had prepared was very delicious.

  Here, '준비했던' is used to describe a dish that the subject, she, had previously prepared, emphasizing her preparation effort in the past.

• 우리가 준비했던 행사에 많은 사람들이 참여했습니다.

  Many people participated in the event we had prepared.

  In this example, '준비했던' modifies '행사' (event), indicating an event that the subject 'we' prepared in the past, relating it to the context of participation in the present.