B1 Advanced Grammar 16 min read Medio

Nominalización en coreano: Formación de sustantivos (ㅁ/음)

Use ㅁ/음 to turn actions into formal nouns or for concise, objective writing in journals and reports.

Grammar Rule in 30 Seconds

Turn any verb or adjective into a noun by adding -ㅁ or -음 to the stem.

  • Add -ㅁ to verb/adjective stems ending in a vowel (e.g., 꿈 from 꾸다).
  • Add -음 to verb/adjective stems ending in a consonant (e.g., 먹음 from 먹다).
  • Use these forms for diary entries, formal reports, or abstract concepts.
Verb Stem + (ㅁ/음) = Noun

Overview

¿Alguna vez has notado cómo los titulares de las noticias coreanas o las listas de tareas pendientes se sienten increíblemente cortos y directos?
A menudo terminan con una solitaria o colgando de la parte inferior de una palabra.
Esto no es una errata ni un código secreto.
Es el poder de la nominalización.
Convierte verbos activos en sustantivos sólidos.
Piensa en ello como el esmoquin de la gramática coreana.
Es formal, conciso y profesional.
Pero si llevas un esmoquin a una fiesta informal en la playa, la gente se te quedará mirando.
De manera similar, usar esto en el habla informal suena como si fueras un robot o un general.
Veamos cómo dominar esta herramienta esencial de nivel B1.

How This Grammar Works

Este patrón gramatical funciona como un transformador.
Tomas un verbo como 웃다 (reír) y le quitas el .
Te queda la raíz .
Luego añades para obtener 웃음 (risa).
Ahora, en lugar de describir a alguien riendo, tienes el concepto de la risa en sí.
Puedes usar este nuevo sustantivo como sujeto o como objeto.
También puedes usarlo para terminar una oración en una lista o un informe.
Congela la acción en un estado permanente.
Se siente muy final y concluido.
Es perfecto para capturar un sentimiento o un hecho en una sola palabra.
Un chiste para ti: ¿Por qué el verbo fue al gimnasio? ¡Para convertirse en un sustantivo de alto rendimiento!

Formation Pattern

1
La creación de estos sustantivos depende de la consonante final (batchim).
2
Encuentra la raíz del verbo o adjetivo (quita ).
3
Comprueba si la raíz termina en vocal o consonante.
4
Si termina en vocal, añade en la parte inferior.
5
Si termina en consonante, añade .
6
Si termina en , la se queda y solo añades .

When To Use It

Te encontrarás con este patrón en cuatro escenarios modernos principales.
Primero, Redes sociales y mensajes de texto.
Podrías escribir #먹음 (comí/comiendo) en una historia de Instagram de tu almuerzo.
Es una forma rápida de declarar un hecho sin terminaciones corteses.
Segundo, Apps móviles e Interfaz de usuario.
Los botones suelen usar esto: 닫음 (Cerrar/Cerrado) o 열음 (Abrir).
Tercero, Diario personal.
Hoy fui al parque
se convierte en 공원에 감 en un diario privado.
Cuarto, Vocabulario fijo.
Muchos sustantivos coreanos comunes se crearon en realidad de esta manera: 그림 (dibujo), (baile), (respiración).
¡Es como si la gramática se escondiera a plena vista!
Otro chiste: usar ㅁ/음 en un texto es como enviarle una citación judicial formal a tu amigo para ir a almorzar.

Common Mistakes

El mayor error es usarlo en exceso en la conversación.
Si le dices
오늘 학교에 감
a un profesor, se quedará muy confundido.
Suena como si estuvieras leyendo un telegrama de la década de 1920.
Otro error es el batchim .
No escribas 살음. Debe ser .
Además, ten cuidado con los irregulares en .
돕다 (ayudar) se convierte en 도움 (ayuda).
No olvides que este patrón crea un sustantivo, no un verbo.
Seguirás necesitando un verbo como 하다 o 이다 si quieres una oración completa.
Por ejemplo, 꿈을 꾸다 (soñar un sueño) usa la forma sustantivada y el verbo.

Contrast With Similar Patterns

  • ㅁ/음 frente a -기: ㅁ/음 trata sobre un estado finalizado o una cosa fija.
  • -기 trata sobre el proceso o un plan futuro.
  • Piensa en para
    la acción de hacer
    y en ㅁ/음 para
    la cosa que se hizo
    .
  • ㅁ/음 frente a -는 것: -는 것 es la forma más común y versátil de nominalizar.
  • Usa -는 것 para hablar en general.
  • Usa ㅁ/음 para escritura de alto nivel o brevedad extrema.

Quick FAQ

P: ¿Puedo usar esto para el pasado?

R: ¡Sí! Usa 았/었 + . Ejemplo: 먹었음 (el hecho de haber comido).

P: ¿Está bien para entrevistas de trabajo?

R: Solo en tu currículum o portafolio escrito. ¡Habla con 습니다 en su lugar!

P: ¿Por qué mi teléfono dice 읽음 junto a un mensaje?

R: Eso significa Leído. Es la forma sustantivada de leer.

P: ¿Es (vida) una palabra común?

R: Sí, es muy poética y se usa en letras de canciones todo el tiempo.

P: ¿Puedo usar esto con adjetivos?

R: Absolutamente. (grandeza) o 작음 (pequeñez) funcionan perfectamente.

P: ¿Suena frío?

R: Puede sonar un poco seco o cortante, así que úsalo con cuidado con los sentimientos de las personas.

Nominalization Formation

Verb/Adj Stem Ending Resulting Noun
꿈(꾸다)
먹(먹다)
먹음
슬프(슬프다)
슬픔
기쁘(기쁘다)
기쁨
만들(만들다)
만듦
믿(믿다)
믿음

Meanings

This grammar turns verbs and adjectives into nouns, allowing them to act as subjects, objects, or topics in a sentence.

1

Abstract Noun

Creating a noun from a verb to describe the action itself.

“{믿음|信}이 중요하다.”

“{슬픔|悲}을 참았다.”

2

Diary/Memo Style

Used in written notes where the verb ending is replaced by -ㅁ/음 for brevity.

“오늘 {공부함|勉強}.”

“{운동함|運動}.”

Reference Table

Reference table for Nominalización en coreano: Formación de sustantivos (ㅁ/음)
Form Structure Example
Affirmative
Stem + ㅁ/음
꿈(Dream)
Negative
안 + Stem + ㅁ/음
안 먹음(Not eating)
Past
Stem + 았/었음
먹었음(Ate)
Future
Stem + 겠음
가겠음(Will go)
Question
Stem + ㅁ/음?
먹음?(Did you eat?)
Adjective
Adj Stem + ㅁ/음
슬픔(Sadness)

Espectro de formalidad

Formal
점심을 먹었습니다.

점심을 먹었습니다. (Daily log)

Neutral
점심을 먹었어요.

점심을 먹었어요. (Daily log)

Informal
점심 먹음.

점심 먹음. (Daily log)

Jerga
점심 컷.

점심 컷. (Daily log)

Nominalization Flow

Verb/Adj Stem

Vowel Ending

  • Dream

Consonant Ending

  • 먹음 Eating

Ejemplos por nivel

1

나의 꿈은 가수다.

My dream is to be a singer.

2

믿음이 필요해요.

I need faith.

3

슬픔이 없어요.

There is no sadness.

4

기쁨을 나눠요.

Share the joy.

1

오늘 운동함.

Worked out today.

2

점심 먹음.

Ate lunch.

3

공부함.

Studied.

4

잠을 잠.

I sleep.

1

그의 말은 믿음이 안 가요.

His words are not believable.

2

슬픔을 참는 것은 어려워요.

It is hard to hold back sadness.

3

기쁨은 짧고 슬픔은 길어요.

Joy is short and sadness is long.

4

이것은 나의 선택임.

This is my choice.

1

그의 행동은 이해하기 어려움.

His behavior is hard to understand.

2

성공은 노력의 결실임.

Success is the fruit of effort.

3

그는 슬픔을 억누름.

He suppresses his sadness.

4

우리의 만남은 운명임.

Our meeting is destiny.

1

그의 죽음은 모두에게 충격이었음.

His death was a shock to everyone.

2

그녀의 웃음은 슬픔을 감춤.

Her smile hides her sadness.

3

이 결정은 신중함이 필요함.

This decision requires caution.

4

그의 성격은 차분함 그 자체임.

His personality is calmness itself.

1

그의 고뇌는 삶의 깊이를 보여줌.

His agony shows the depth of life.

2

역사는 반복됨을 잊지 마라.

Do not forget that history repeats itself.

3

그의 침묵은 많은 것을 의미함.

His silence means many things.

4

진정한 자유는 책임짐에서 시작됨.

True freedom starts with taking responsibility.

Fácil de confundir

Korean Formal Noun Formation (ㅁ/음) vs -기

Both nominalize verbs.

Korean Formal Noun Formation (ㅁ/음) vs -는 것

Both turn verbs into nouns.

Korean Formal Noun Formation (ㅁ/음) vs Plain Form (-다)

Both end sentences.

Errores comunes

먹기

먹음

Confusing process with result.

꿈다

Adding -다 to a noun.

만들음

만듦

Ignoring 'ㄹ' irregular.

슬프음

슬픔

Adding -음 to vowel stem.

가음

Vowel stem error.

먹음다

먹음

Redundant ending.

슬픔다

슬픔

Redundant ending.

공부하기임

공부함

Mixing nominalizers.

믿음다

믿음

Redundant ending.

살음

Irregular stem error.

죽음하기

죽음

Redundant verb.

웃음이 있음

웃음

Wordy phrasing.

기쁨을 함

기쁨

Unnecessary verb.

만들음

만듦

Irregular error.

Patrones de oraciones

나의 ___은/는 ___이다.

오늘 ___을/를 ___.

그의 ___은/는 ___이/가 아니다.

___은/는 ___의 결과이다.

Real World Usage

Diary very common

일기 씀.

Texting constant

알겠음.

Formal Report common

결과임.

Social Media very common

기분 좋음.

Academic Writing common

연구의 결론임.

Food App occasional

주문 완료함.

💡

Check the Stem

Always identify the stem first. If it ends in a vowel, it's -ㅁ. If it's a consonant, it's -음.
⚠️

Don't Overuse

Using -ㅁ/음 in polite spoken speech sounds robotic. Save it for writing or texting.
🎯

The 'ㄹ' Irregular

Remember that '만들다' becomes '만듦'. The 'ㄹ' is dropped and 'ㅁ' is added.
💬

Texting Style

Ending texts with -ㅁ/음 is a very common way to sound concise and modern in Korea.

Smart Tips

Use -ㅁ/음 to keep your entries short and efficient.

오늘 나는 운동을 했습니다. 오늘 운동함.

Recognize it as a nominalized verb.

꿈이 무엇입니까? 꿈(꾸다)이 무엇입니까?

Use -ㅁ/음 instead of creating a new word.

슬픈 마음이 있습니다. 슬픔이 있습니다.

Use -ㅁ/음 to sound cool and detached.

알겠습니다. 알겠음.

Pronunciación

m-sound

Final Consonant

Ensure the final 'ㅁ' is clearly articulated.

Statement

슬픔. ↓

Finality and detachment.

Memorízalo

Mnemotecnia

Remember 'M' for 'Make' a noun. If it ends in a vowel, just add 'M'. If it's a consonant, add 'UM' to make it sound full.

Asociación visual

Imagine a giant 'M' stamp. You stamp it on a verb, and it turns into a solid block (a noun).

Rhyme

Vowel ends in M, consonant needs UM, now your verb is a noun, you're having fun!

Story

I had a dream (꿈). I ate (먹음) some food. I felt sadness (슬픔) and joy (기쁨). All these are nouns now.

Word Web

먹음슬픔기쁨만듦믿음죽음웃음

Desafío

Write a 3-line diary entry using only -ㅁ/음 endings.

Notas culturales

Used in formal writing and news headlines.

Used in texting to sound 'cool' or 'indifferent'.

Used to create poetic, abstract nouns.

Derived from Middle Korean nominalization suffixes.

Inicios de conversación

오늘 뭐 함?

너의 꿈은 뭐임?

슬픔을 어떻게 극복함?

성공의 정의가 뭐라 생각함?

Temas para diario

Write 3 things you did today using -ㅁ/음.
Describe your biggest dream.
Reflect on a time you felt sadness.
Analyze the concept of success.

Errores comunes

Incorrect

Correcto


Incorrect

Correcto


Incorrect

Correcto


Incorrect

Correcto

Test Yourself

Fill in the blank.

꿈을 ___.

✓ Correct! ✗ Not quite. Correct answer: b
꿈 is the noun form.
Choose the correct form. Opción múltiple

먹다 -> ?

✓ Correct! ✗ Not quite. Correct answer: a
Consonant stem + 음.
Correct the error. Error Correction

Find and fix the mistake:

만들음

✓ Correct! ✗ Not quite. Correct answer: a
Irregular 'ㄹ' drop.
Reorder the sentence. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: b
Standard order.
Translate to Korean. Traducción

Eating is fun.

Answer starts with: b...

✓ Correct! ✗ Not quite. Correct answer: b
Process requires -기.
Match the verb to its noun. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: a
Correct nominalization.
Choose the best fit. Opción múltiple

오늘 운동___.

✓ Correct! ✗ Not quite. Correct answer: a
운동(하다) -> 운동함.
Fill in the blank.

그의 ___은/는 대단하다.

✓ Correct! ✗ Not quite. Correct answer: a
믿음 is the noun.

Score: /8

Ejercicios de practica

8 exercises
Fill in the blank.

꿈을 ___.

✓ Correct! ✗ Not quite. Correct answer: b
꿈 is the noun form.
Choose the correct form. Opción múltiple

먹다 -> ?

✓ Correct! ✗ Not quite. Correct answer: a
Consonant stem + 음.
Correct the error. Error Correction

Find and fix the mistake:

만들음

✓ Correct! ✗ Not quite. Correct answer: a
Irregular 'ㄹ' drop.
Reorder the sentence. Sentence Reorder

나의 / 꿈은 / 가수다

✓ Correct! ✗ Not quite. Correct answer: b
Standard order.
Translate to Korean. Traducción

Eating is fun.

✓ Correct! ✗ Not quite. Correct answer: b
Process requires -기.
Match the verb to its noun. Match Pairs

꾸다, 먹다, 슬프다

✓ Correct! ✗ Not quite. Correct answer: a
Correct nominalization.
Choose the best fit. Opción múltiple

오늘 운동___.

✓ Correct! ✗ Not quite. Correct answer: a
운동(하다) -> 운동함.
Fill in the blank.

그의 ___은/는 대단하다.

✓ Correct! ✗ Not quite. Correct answer: a
믿음 is the noun.

Score: /8

Practice Bank

10 exercises
Fill in the blank with the noun form of 'to laugh' (웃다). Completar huecos

그의 ___ 소리가 들려요.

✓ Correct! ✗ Not quite. Correct answer: 웃음
Translate this diary note into Korean. Traducción

Watched a movie. (Using nominalization)

✓ Correct! ✗ Not quite. Correct answer: 영화를 봤음.
Reorder the words to mean 'I need help'. Sentence Reorder

필요해요 / 이 / 도움 / 당신의

✓ Correct! ✗ Not quite. Correct answer: 당신의 도움이 필요해요
Identify the incorrect formation of 'to help' (돕다). Error Correction

도움이 필요해요.

✓ Correct! ✗ Not quite. Correct answer: 돕음
Match the verb to its nominalized noun. Match Pairs

Match these:

✓ Correct! ✗ Not quite. Correct answer: 그리다 - 그림
Which sentence uses the nominalized form appropriately for a news headline? Opción múltiple

Headline: 'Temperatures Rise'

✓ Correct! ✗ Not quite. Correct answer: 기온이 상승함.
Use 'to trust' (믿다) in its noun form. Completar huecos

서로에 대한 ___이 중요해요.

✓ Correct! ✗ Not quite. Correct answer: 믿음
Translate 'Sleep is important' into Korean. Traducción

Sleep is important.

✓ Correct! ✗ Not quite. Correct answer: 잠이 중요해요.
Arrange to say 'The fact of being sad'. Sentence Reorder

슬픔 / 이라는 / 것

✓ Correct! ✗ Not quite. Correct answer: 슬픔이라는 것
Which is the correct nominalization for 'to feel' (느끼다)? Opción múltiple

Feeling:

✓ Correct! ✗ Not quite. Correct answer: 느낌

Score: /10

Preguntas frecuentes (8)

No, -ㅁ/음 is for abstract nouns, while -기 is for the process of doing something.

It is generally avoided in polite spoken Korean, but common in texting.

Drop the 'ㄹ' and add 'ㅁ'. For example, '만들다' becomes '만듦'.

It's a concise, modern way to end sentences in digital communication.

Yes, it turns adjectives into abstract nouns like 'sadness' (슬픔).

Confusing -ㅁ/음 with -기 or failing to handle irregular stems.

Only if you are reading a formal report or document.

Yes, -기 and -는 것 are also common nominalizers.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

German high

-ung

German -ung is strictly for nouns; Korean -ㅁ/음 is also used for shorthand verb endings.

French moderate

-tion

French -tion is purely morphological; Korean -ㅁ/음 has pragmatic uses in texting.

Spanish moderate

-ción

Spanish -ción does not have the diary-log usage of Korean -ㅁ/음.

Japanese partial

こと (koto)

Japanese 'koto' is a separate word, whereas Korean -ㅁ/음 is a suffix attached to the stem.

Arabic high

Masdar

Arabic Masdar follows complex root patterns; Korean -ㅁ/음 is a simple suffix.

Chinese low

None

Chinese lacks a direct suffix equivalent to -ㅁ/음.

Learning Path

Prerequisites

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