This is the 14629th most frequent Korean word.
미술관이
"Art museum."
In this sentence, '미술관이' is the subject and is followed by a description of its quality.
미술관이 정말 아름다워요.
The art gallery is truly beautiful.
Here, '미술관이' is used to indicate the subject performing the action of opening.
미술관이 주말에 개장합니다.
The art gallery opens on weekends.
In this example, '미술관이' serves as the subject in relation to its location.