이게

이게

"This" (subject or casual form).

In this sentence, '이게' serves as the subject of the sentence, referring to an item being emphasized or questioned.

이게 정말 네가 만든 거야?

Is this really what you made?

Here, '이게' is used to highlight a specific matter or situation being discussed.

이게 그렇게 중요한 일이야?

Is this such an important matter?

'이게' functions as a demonstrative pronoun, pointing to the object being identified or clarified.

이게 바로 제가 찾고 있었던 책이에요.

This is exactly the book I was looking for.