This is the 110th most frequent Korean word.
것이라고
"것이라고" is a combined form meaning "that it is (something)" or "that it will be (something)."
'것이라고' is used to express a belief about an outcome or statement based on available understanding.
그는 이 프로젝트가 성공할 것이라고 믿습니다.
He believes that this project will succeed.
'것이라고' is used to express an assumption about a past event based on evidence or reasoning.
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 utilized to indicate reported speech about a future occurrence.