Question

그건 제가 배우가 되기 전의 꿈이었어요 The -기 전의 structure where -의 is the possessive particle 'of', corresponds to 'of before' in English. The inclusion of -의 implies that the structure is always followed by a noun.

Accepted Answer

It was my dream before I became an actor

Front	그건 제가 배우가 되기 전의 꿈이었어요
Back	It was my dream before I became an actor
Notes	The -기 전의 structure where -의 is the possessive particle 'of', corresponds to 'of before' in English. The inclusion of -의 implies that the structure is always followed by a noun.

전의 Structure 의 그건 제가 배우가 되기 꿈이었어요