써줬다는

In a sentence

• 친구가 나에게 내 이름을 예쁘게 써줬다는 점이 기뻤어요.

  I was happy that my friend nicely wrote my name for me.

  In this sentence, '써줬다는' conveys that someone (the friend) performed the action of writing for the benefit of the speaker.

• 선생님이 시험 문제를 명확하게 써줬다는 것이 학생들에게 도움이 되었어요.

  The teacher writing the exam questions clearly helped the students.

  Here, '써줬다는' indicates that the teacher wrote for the benefit or clarity of the students.

• 어느 날, 누군가가 내 일기를 읽고 거기에 의견을 써줬다는 사실을 알게 되었어요.

  One day, I found out that someone read my diary and wrote their opinions in it for me.

  In this case, '써줬다는' suggests that a writing action was done to express opinions for the speaker or as an act impacting them.