�?블로�?전체 카테고리 글 전체글 보기 화면 최상단으�?이동 The two most frequent grammatical rules where this occurs is when conjugating in the past or existing tenses. For illustrations: If a grammatical basic principle that is included to 서둘�?is often a vowel �?and there's no other solution aside from a vowel Successfully Submitted (Awaiting Approval)