Question

오늘 비가 내릴 거라고 들었어요 When quoting a phrase ending in the copula -이다, the -이라고 principle is used instead of -(은/는)다고. The negative copula 아니다 becomes 아니라.The future tense principle -(으)ㄹ 거- implies the use of the copula, in the quoted statement it becomes -(으)ㄹ 거라고, or -(으)ㄹ 것이라고 if the full form is used.

Accepted Answer

I heard it's supposed to rain today

Front	오늘 비가 내릴 거라고 들었어요
Back	I heard it's supposed to rain today
Notes	When quoting a phrase ending in the copula -이다, the -이라고 principle is used instead of -(은/는)다고. The negative copula 아니다 becomes 아니라. The future tense principle -(으)ㄹ 거- implies the use of the copula, in the quoted statement it becomes -(으)ㄹ 거라고, or -(으)ㄹ 것이라고 if the full form is used.

으)ㄹ Copula Principle 오늘 비가 내릴 거라고 들었어요