단어 사동 (-이/히/리/기/우/추-)

Causative voice, Causative form

Structure
Lexical -이- causative: 먹다 → 먹 + 이 + 다 → 먹이다 (feed / make eat)
Lexical -히- causative: 입다 → 입 + 히 + 다 → 입히다 (dress / make wear)
Lexical -리- causative: 살다 → 살 + 리 + 다 → 살리다 (save / keep alive)
Lexical -기- causative: 웃다 → 웃 + 기 + 다 → 웃기다 (make laugh)
Lexical -우- causative: 자다 → 재우다 → 재우다 (put to sleep)
Lexical -추- causative: 낮다 → 낮 + 추 + 다 → 낮추다 (lower)
Explanation

This expression means that the subject makes person(s), animal(s), object(s), or other similar things do something or come to a certain state. This form is made by adding -이/히/리/기/우/추- to the stems of some verbs and adjectives.

Details

The most common causative verbs are as follows.

Causative expressions are formed in the following ways. The action, or intransitive, forms of verbs given in the sentences on the right are changed to the appropriate causative forms in the sentences on the left.


1. The passive and causative forms of some verbs are identical, so these verbs must be differentiated by the contexts in which they are used.

이 책은 많은 사람들에게 읽혔습니다. - 피동사
This book has been read by many people. - Passive
선생님은 영수에게 책을 읽혔습니다. - 사동사
The teacher made Yeongsu read the book, - Causative
우리 방에서는 바다가 보입니다. - 피동사
The ocean can be seen from our room. - Passive
친구에게 남자 친구 사진을 보여 주었습니다. - 사동사
I let a friend see a picture of my boyfriend. - Causative

Some of the most commonly used verbs with identical passive and causative forms are given below.