본고에서는 ‘ㅎ’ 불규칙과 관련된 어문규정에 나타난 문제점을 고찰하였다. 한글 맞춤법 제18항에서 “원칙에 벗어나면”이라 했으나 원칙에 벗어났는지 그렇지 않은지를 판단하는 기준은 어간과 어미 각각에서 서로 다르다. ‘낳다’도 [나으면]으로, ‘빨갛다’도 [빨가면]으로 실현되므로, “어간의 끝 ㅎ이 줄어질 적”만으로 ‘ㅎ’ 불규칙을 규정하기 어렵다. 이에 대해 좀 더 명시적이고, 어문규정 내에서 상충되지 않고, 학교문법 과도 가능한 연계할 수 있는 규정 또는 해설이 필요하다. 『해설』에서 언급한 “어미 ‘-네’ 앞에서 줄어지는 경우”는 전체 불규칙활용 체계에 주는 부담이 크고, 표준발음법과도 상충되며, 현실발음과의 일치도도 낮다는 점에서 비판적으로 재검토될 필요가 있다.

It has long been some confusion related with ‘ㅎ’ irregular regulations. This confusion is hard to just ignore away for illiteracy, which is originated from somewhat imperfect regulations. I examine problems in the orthography of ‘ㅎ’ irregular-verbs. I also made an explain the reason of ‘ㅎ’ irregular conjugation. The main result is as in the following. I described the criteria of irregular verbs more clearly. The stem of irregular verbs are different from dictionary basic form ‘-다’. The ending alternation of consonants, ‘-아/-어-Ø’, ‘-으/-Ø’ are not be considered irregular. It`s why they can be explained by phonological rules. ‘ㅎ’ irregular have never had an clear explanation before. In this study ‘ㅎ’ irregular is defined as reducing together the final ‘ㅎ’ of stem and the initial ‘으’ of ending. Otherwise ‘으’ is not deleted in ‘ㅎ’ regular verbs. I explained this is to prevent, at least synchronically, from communication disorders by homonym. When it comes to consonant endings, There is no irregular conjugation. It is necessary to add the statement the blending stem final sound ‘-ㅏ/-ㅓ’ and ending ‘-아/-어’ into ‘ㅐ’. ‘그래요’ is the conjugation form of ‘그렇다’ as well as ‘그러다’.