KOREAN MORPHOLOGY · PREDICATES

Irregular inflection

Lexical classes

Classes include ㄷ 걷다→걸어, ㅂ 돕다→도와, 르 모르다→몰라, ㅅ 낫다→나아, ㅎ 파랗다→파란, and 우 푸다→퍼.

Sharing a coda does not generalize the rule to every predicate. The lexicon must declare the class.

Substitution is limited to rule-specific environments such as vowel-initial, 아/어, or adnominal endings. 걷고 retains ㄷ while 걸어 substitutes ㄹ.

Hangul onset, nucleus, and coda are decomposed for deletion and vowel combination, then recomposed into syllables.

v:걷다 matches both 걸어 and 걷고, but not 걸고, which incorrectly applies ㄷ-to-ㄹ substitution before a consonant-initial ending.

Origins preserve lexical and ending steps in order, such as lexical.d-to-l followed by ending.aoeo.

When a suppletive entry and a productive rule yield the same surface form, their origins merge instead of selecting one representative.

KOREAN MORPHOLOGY · PREDICATES

Classes include ㄷ 걷다→걸어, ㅂ 돕다→도와, 르 모르다→몰라, ㅅ 낫다→나아, ㅎ 파랗다→파란, and 우 푸다→퍼.

Sharing a coda does not generalize the rule to every predicate. The lexicon must declare the class.

Substitution is limited to rule-specific environments such as vowel-initial, 아/어, or adnominal endings. 걷고 retains ㄷ while 걸어 substitutes ㄹ.

Hangul onset, nucleus, and coda are decomposed for deletion and vowel combination, then recomposed into syllables.

v:걷다 matches both 걸어 and 걷고, but not 걸고, which incorrectly applies ㄷ-to-ㄹ substitution before a consonant-initial ending.

Origins preserve lexical and ending steps in order, such as lexical.d-to-l followed by ending.aoeo.

When a suppletive entry and a productive rule yield the same surface form, their origins merge instead of selecting one representative.