was; was the case; was what someone/something wasA polite conversational form of 것이었어요, often used after a noun, verb, or descriptive phrase to explain what something was or what someone intended. In expressions such as -는 거였어요, it can mean “was what [someone] did/intended” or “was supposed to.”
KO: 내 평생의 꿈은 나만의 공연을 갖는 거였어요.
EN: My lifelong dream was to have a performance of my own.