This is the 19340th most frequent Korean word.
알스턴이
The word "알스턴이" does not have a recognized definition in standard Korean and may be a proper noun, name, or misspelling.
알스턴이 is a version of 'Alston' functioning as the subject of the sentence, marked with '이' indicating the subject marker.
알스턴이 어제 도서관에 갔습니다.
Alston went to the library yesterday.
알스턴이가 is used here with '가', an informal variant of the subject marker '이', generating a question.
알스턴이가 이 책을 읽었습니까?
Did Alston read this book?
알스턴이를 uses '를', denoting 'Alston' as the direct object of liking.