ㅅ-irregularity

In Korean morphology, a ㅅ-irregular verb (ko: ㅅ 불규칙 동사) is a type of irregular verb whose stem ends in ㅅ.

Inflection

• Add the suffix as usual.

• If ㅅ is followed by a vowel, ㅅ disappears.

Examples

짓다

to make, to compose

• 짓다 ＋ -었어요 ⟶ 지었어요