네가

네가

"You" (informal subject form).

Here, '네가' is used as the subject to indicate the addressed person as the one performing the action being appreciated.

네가 한 일에 대해 고맙게 생각하고 있어요.

I am grateful for what you did.

Here, '네가' serves as the subject of the sentence, meaning 'you' and indicating that the person addressed is the one who likes the color.

네가 좋아하는 색깔은 무엇인가요?

What is the color you like?

In this sentence, '네가' is the subject, referring to the person who mentioned the story.

네가 말했던 이야기를 다시 듣고 싶어요.

I want to hear the story you mentioned again.