것이라고

In a sentence

• 그는 이 프로젝트가 성공할 것이라고 믿습니다.

  He believes that this project will succeed.

  '것이라고' is used to express a belief about an outcome or statement based on available understanding.

• 내가 예전에 여기서 살았던 집이 지금은 없어졌을 것이라고 생각합니다.

  I think the house where I used to live here in the past must no longer exist.

  '것이라고' is used to express an assumption about a past event based on evidence or reasoning.

• 그가 올 것이라고 이미 전해 들었습니다.

  I already heard that he will come.

  '것이라고' is utilized to indicate reported speech about a future occurrence.