This is the 11498th most frequent Korean word.
끝난다고
"끝난다고" means "says (something) will end" or "that (something) will end."
Here, '끝난다고' is used to represent reported speech, indicating what someone said regarding the class concluding.
수업이 이제 곧 끝난다고 했어요.
They said the class will end soon.
In this sentence, '끝난다고' conveys that the speaker heard information about the conclusion of the project.
프로젝트가 내일 끝난다고 들었어요.
I heard that the project will end tomorrow.
'끝난다고' is employed to indicate the hypothetical scenario or condition that an ongoing activity concludes.