[Grammar] ‘ㅂ’ 불규칙 : ‘ㅂ’ irregular verb/adjective

 ‘ㅂ’ 불규칙 : ‘ㅂ’ irregular verb/adjective

When a verb or an adjective stem which ends in ‘ㅂ’ is followed by an ending beginning with a vowel, ‘ㅂ’ changes to ‘우’. However there are two words(돕다:help, 곱다:beautiful) meet an ending which beginning with -아/어(not -으), ‘ㅂ’changes to ‘오’.

Verb/Adjective(‘ㅂ’ ending) + ending(vowel) => ‘ㅂ’ -> 우

고맙(다) + 아/어, -으 => 고마우 + 어, 고마+우
춥(다) + 아/어, -으 => 추우+ 어, 고마+우

 

V/A
ㅂ -> 우
adding an ending
change
고맙() + /어
고맙(다) + 으
=> 고마
=> 고마
=> 고마 + 어
=> 고마 + 면
=> 고마
=> 고마
춥() + /
춥(다) + 면 
=> 추
=> 추
=> 추 + 어
=> 추 + 면
=> 추
=> 추
돕() + /
돕(다) + 으
곱(다) + 아/어
곱(다) + 으면 
=> 도
=> 도
=> 고
=> 고
=> 도오+아
=> 도+면
=> 고오+아
=> 고+면
=> 도와
=> 도
=> 고와
=> 고

 

There are more ‘ㅂ’ irregular verbs and adjectives below.

verb/adjective
English
-아/어요
-으면
맵다
spicy
워요
우면
춥다
cold
워요
우면
덥다
hot
워요
우면
무겁다
heavy
무거워요
무거우면
가볍다
light
가벼워요
가벼우면
아름답다
beautiful
아름다워요
아름다우면

 

e.g)

이 음식이 너무 매워요.
This food is too spicy.
오늘 날씨가 너무 추워요.
Today is too cold.
한국의 여름은 정말 더워요.
It is really hot in Korea in the Summer.
가방이 무거워요.
This bag is very heavy.
경치가 정말 아름다워요.
The view is very beautiful.
도와 주세요.
Please help me.

You can also listen to the pronunciation here.

 

There are few verbs and adjective don’t change their shape even though they have ‘ㅂ’ final consonant. For example,

입(다) : wear -> + 어요 => 입어요 
잡(다) :grab, catch -> 잡 + 아요 => 잡아요

민수 씨가 티셔츠를 입었어요.
Minsu is wearing a T-shirt.
경찰이 범인을 잡았어요.
The police caught the criminal.

4 thoughts on “[Grammar] ‘ㅂ’ 불규칙 : ‘ㅂ’ irregular verb/adjective

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