This is the 14691st most frequent Korean word.
민선이가
"민선이가" is a colloquial form meaning "Minseon (subject) + is/does," often used to indicate Minseon as the subject in a sentence.
In this sentence, '민선이가' introduces the subject Minseon, emphasizing her action in going to school.
민선이가 학교에 갔어요.
Minseon went to school.
Here, '민선이가' is used to specify the subject Minseon who performed the action of making the cake.
민선이가 만든 케이크가 정말 맛있어 보여요.
The cake that Minseon made looks really delicious.
In this context, '민선이가' defines Minseon as the subject who appears to be busy.