썼는데

In a sentence

• 나는 일기에 내 기분을 썼는데 오늘은 좀 특별했다.

  I wrote about my feelings in my diary, and today was somewhat special.

  The word '썼는데' is used to express the past action of writing, with its connective '-는데' providing additional context for the sentence.

• 편지를 정성껏 썼는데 답장이 오지 않았다.

  I wrote a heartfelt letter, but no reply came.

  Here, '썼는데' indicates the action of writing a letter, and the conjunction '-는데' contrasts this action with an outcome.

• 그는 책을 열심히 썼는데, 아직 시간이 더 필요하다.

  He worked hard to write the book, but he still needs more time.

  '썼는데' depicts the action of writing a book, with '-는데' introducing a subsequent or opposing statement.