A2 Verb Conjugation 12 min read 简单

消失的 'S':ㅅ 不规则动词 (ㅅ 불규칙)

当 ㅅ 遇到元音后缀(如 -아/어)时会“隐身”消失,但它会留下“足迹”触发 «-(으)» 结尾,不过别忘了 «웃다»、«씻다» 和 «벗다» 这几个固执的不变词。

Grammar Rule in 30 Seconds

When a verb stem ends in 'ㅅ' and meets a vowel, the 'ㅅ' drops out completely.

  • Identify stems ending in 'ㅅ' (e.g., 짓다, 낫다).
  • When adding a vowel-starting ending (e.g., -아요, -어서), drop the 'ㅅ'.
  • If the ending starts with a consonant (e.g., -고, -지만), keep the 'ㅅ'.
Verb stem (ㅅ) + Vowel-ending = Verb stem (no ㅅ) + Vowel-ending

Overview

### Overview
在学习韩语的过程中,动词的变位规则往往是初学者最头疼的部分。今天我们要探讨的是一个非常经典的语音变化规则——不规则动词(ㅅ 불규칙)。对于我们母语为中文的同学来说,中文的谓语是“铁打不动”的,无论后面跟什么词,动词本身几乎不会发生形态变化。例如“我吃饭”、“我吃了饭”,动词“吃”始终保持原样。但在韩语中,动词的词干会根据后面的语法后缀发生“变形”。
不规则动词是指以辅音结尾的动词,在遇到以元音开头的语法后缀时,词干末尾的会脱落。这听起来可能有点复杂,但其实它是为了让发音更顺畅。你可以把它理解为一种“发音的懒人法则”。如果不脱落,在快速说话时,辅音和元音的衔接会产生阻塞感。这与中文里的连读或变调(如“一”和“不”的变调)有异曲同工之妙,都是为了让语言表达更自然。掌握这个规则,能让你在说韩语时听起来更地道,不再像是一个只会机械背书的初学者。
### How This Grammar Works
要理解不规则动词,首先要建立一个概念:韩语的词干(Stem)虽然在书写上脱落了,但在语法逻辑上,它依然保留了“辅音结尾”的特性。这就好比我们在中文里说“吃”,即便加了“了”变成“吃了”,我们依然知道它的基础动词是“吃”。
在韩语中,这种“消失的”被称为“幽灵辅音”。为什么这么说呢?因为在连接某些语法时,虽然字面消失了,但它依然要求我们使用“辅音结尾”对应的语法形式。例如,-(으)면(如果……的话)这个语法,如果是元音结尾的词干,直接加;如果是辅音结尾,则加으면。对于不规则动词,虽然脱落了,但我们依然要用으면,而不是。这就是所谓的“幽灵效应”。
我们来对比一下中文和韩语的结构逻辑:
| 中文结构 | 韩语结构 | 逻辑差异 |
| :--- | :--- | :--- |
| 动词 + 助词(如:了、着) | 词干 + 语法后缀(需变位) | 韩语动词词干会根据后缀发生形态变化 |
| 动词本身不随后缀改变 | 词干末尾辅音可能脱落或改变 | 韩语存在语音流变(Phonological change) |
这种规则主要为了解决发音的“顿挫感”。试想一下,如果낫다(痊愈)直接加上아요变成낫아요,发音时舌尖会顶住上齿龈,阻碍气流,非常别扭。变成나아요后,元音直接滑动,发音就轻松多了。这在语言学中叫“元音间隙消除”。
### Formation Pattern
变位规则其实很简单,你可以把它总结成一个口诀:“遇到元音,ㅅ就消失;遇到辅音,ㅅ就保留。”
  1. 1找词干:去掉。例如짓다(建造) -> 짓-
  2. 2看后缀:如果接的是以元音开头的后缀(如-아/어요, -으면, -으러),那么去掉。
  3. 3接后缀:根据词干剩下的元音(, , , 等)决定接-아요还是-어요,同时记得“幽灵辅音”原则,使用带的后缀。
以下是变位对照表:
| 词干 | 词典形 | 意思 | 变位形式 (现在时) | 变位形式 (条件形) |
| :--- | :--- | :--- | :--- | :--- |
| 낫- | 낫다 | 痊愈 | 나아요 | 나으면 |
| 짓- | 짓다 | 建造 | 지어요 | 지으면 |
| 젓- | 젓다 | 搅拌 | 저어요 | 저으면 |
| 붓- | 붓다 | 倒入 | 부어요 | 부으면 |
记住,如果后面接的是以辅音开头的语法,比如-습니다,那么是绝对不能掉的,直接写成낫습니다짓습니다即可。
### When To Use It
在日常生活中,不规则动词的使用频率非常高。比如你去咖啡厅点餐,可能会用到젓다(搅拌)。如果服务员告诉你需要搅拌,他会说잘 저으세요。如果你在大学里写论文,可能用到짓다(创作/作诗),比如시를 짓다(写诗)。
再比如描述身体状况,낫다(好转)是高频词。当你感冒了,朋友问你身体如何,你可以说감기가 다 나았어요(感冒全好了)。如果你在做饭,붓다(倒入)非常常用,比如물에 라면을 부어요(往水里倒拉面/把拉面放进水里)。
这些词汇涵盖了我们生活的方方面面。掌握了这些,你就不再只是在背单词,而是在真正使用韩语进行交流。当你能在咖啡厅自然地说出커피를 저을까요?(要搅拌咖啡吗?)时,你的韩语水平就已经迈向了一个新的台阶。
### Common Mistakes
对于中国学生来说,最容易犯的错误有以下三点:
  1. 1“一刀切”谬误:很多同学学会了这个规则后,看到所有以结尾的动词都想去掉。比如웃다(笑)、씻다(洗)、벗다(脱)。这些是规则动词,千万不要把它们变成우어요씨어요!这就像是中文里的“形声字”,虽然看起来像,但读音规则不同。记住:웃다씻다벗다是永远不脱落的。
  2. 2混淆“幽灵辅音”:很多同学在接-(으)면时,因为消失了,就习惯性地写成나면(错误),而不是나으면(正确)。这是因为L1干扰(母语负迁移),中文里没有这种“词干虽然看起来变了,但语法逻辑依然保留”的现象,所以大脑很难适应这种“虚构的辅音存在感”。
  3. 3元音选择错误:在脱落后,词干剩下的元音决定了后面接还是。比如짓다结尾),很多同学会根据惯性接아요。一定要记住,不是阳性元音,所以要接어요,变成지어요
### Contrast With Similar Patterns
为了不让你搞混,我们把不规则动词和规则动词做一个对比:
| 比较项 | 不规则动词 (如 짓다) | 规则动词 (如 씻다) |
| :--- | :--- | :--- |
| 遇到元音后缀 | 脱落 (지어요) | 保留 (씻어요) |
| 遇到辅音后缀 | 保留 (짓고) | 保留 (씻고) |
| 语法逻辑 | 保留“辅音词干”身份 (지으면) | 本身即为辅音词干 (씻으면) |
### Quick FAQ
Q1: 怎么判断一个动词是不是不规则动词?
A: 这是一个好问题!其实没有捷径,只能在背单词时多加留意。常见的不规则动词只有那几个:낫다짓다젓다붓다잇다。其他的基本都是规则动词。
Q2: 如果我忘记了它是规则还是不规则怎么办?
A: 如果你不确定,可以先查词典。但如果是在口语中,大部分韩国人通过语感能直接判断。如果你实在拿不准,就先按照规则动词处理,或者在日常练习中多造句,通过肌肉记忆来强化。
Q3: 为什么잇다(连接)变位后是이어요
A: 这是一个非常细微的语音变化。잇다去掉后剩下,因为后面接어요时,在发音上会产生轻微的连读,听起来就是이어요。这其实是非常自然的语音演变。

Conjugation of 짓다 (to build)

Form Suffix Result
Present
-어요
지어요
Past
-었어요
지었어요
Connective
-고
짓고
Negative
-지 않다
짓지 않다
Future
-을 거예요
지을 거예요
Formal
-습니다
짓습니다

Meanings

A specific class of Korean verbs where the final consonant 'ㅅ' is deleted when followed by a vowel-initial suffix.

1

Irregular Deletion

The phonological rule where ㅅ is elided.

“집을 짓다 -> 지어요”

“병이 낫다 -> 나아요”

Reference Table

Reference table for 消失的 'S':ㅅ 不规则动词 (ㅅ 불규칙)
动词 意思 敬语现在时 (-아요/어요) 连接词 (-(으)면)
낫다
痊愈 / 更好
나아요
나으면
짓다
造 / 起名
지어요
지으면
젓다
搅拌
저어요
저으면
붓다
倒 / 肿
부어요
부으면
잇다
连接
이어요
이으면
웃다 (规则)
웃어요
웃으면
씻다 (规则)
씻어요
씻으면
벗다 (规则)
벗어요
벗으면

正式程度

正式
상처가 나아지고 있습니다.

상처가 나아지고 있습니다. (Medical/Personal)

中性
상처가 나아지고 있어요.

상처가 나아지고 있어요. (Medical/Personal)

非正式
상처가 나아지고 있어.

상처가 나아지고 있어. (Medical/Personal)

俚语
상처 나아짐.

상처 나아짐. (Medical/Personal)

ㅅ 不规则大家族

ㅅ 不规则

建筑/创作

  • 짓다 建造/起名
  • 잇다 连接

身体状况

  • 낫다 痊愈
  • 붓다 肿胀

厨房动作

  • 젓다 搅拌
  • 붓다 倒水

不规则 vs 规则 ㅅ 动词

不规则 (丢掉 ㅅ)
낫다 → 나아요 痊愈
짓다 → 지어요 建造
젓다 → 저어요 搅拌
规则 (保留 ㅅ)
웃다 → 웃어요
씻다 → 씻어요
벗다 → 벗어요

ㅅ 该留还是该走?

1

动词是 낫다, 짓다, 붓다, 젓다 或 잇다 吗?

YES
进入下一步
NO
保留 ㅅ (它很可能是规则的!)
2

结尾是以元音开头的吗?

YES
丢掉 ㅅ!
NO ↓

常见的 ㅅ 不规则场景

💊

健康

  • 낫다 (痊愈)
  • 붓다 (肿胀)
🏠

居家

  • 짓다 (建造)
  • 잇다 (连接)

厨房

  • 젓다 (搅拌)
  • 붓다 (倒水)

按水平分级的例句

1

밥을 지어요.

I am cooking rice.

2

감기가 나아요.

The cold is getting better.

3

길을 이어요.

I am connecting the road.

4

물을 부어요.

I am pouring water.

1

약을 먹고 나았어요.

I took medicine and got better.

2

집을 짓지 마세요.

Do not build the house.

3

선을 이어서 그리세요.

Connect the lines and draw.

4

물을 붓지 마세요.

Do not pour the water.

1

상처가 다 나아서 다행이에요.

It's a relief the wound has healed.

2

새로운 건물을 짓고 있습니다.

We are building a new building.

3

두 지점을 잇는 다리입니다.

It is a bridge connecting two points.

4

그릇에 물을 부었습니다.

I poured water into the bowl.

1

그는 집을 짓는 데 평생을 바쳤다.

He dedicated his life to building houses.

2

병이 나아가는 과정입니다.

It is the process of recovering from the illness.

3

두 선을 이으면 삼각형이 됩니다.

If you connect the two lines, it becomes a triangle.

4

물을 붓는 행위는 조심해야 합니다.

One must be careful when pouring water.

1

그는 운명을 짓는 자였다.

He was the one who shaped his destiny.

2

상처가 나아질 기미가 보이지 않는다.

There is no sign of the wound healing.

3

역사를 잇는 작업은 중요하다.

The work of connecting history is important.

4

그릇에 물을 부어 넘쳤다.

I poured water into the bowl and it overflowed.

1

그는 시를 짓고 있었다.

He was composing a poem.

2

병세가 나아지기를 간절히 바란다.

I earnestly hope the condition improves.

3

두 세계를 잇는 교량적 역할.

A bridging role connecting two worlds.

4

물을 부어 불을 껐다.

I poured water to extinguish the fire.

容易混淆

The Disappearing 'S': ㅅ Irregular Verbs (ㅅ 불규칙) 对比 Regular Verbs (벗다)

Learners think all verbs ending in ㅅ are irregular.

The Disappearing 'S': ㅅ Irregular Verbs (ㅅ 불규칙) 对比 ㄷ Irregular (듣다)

Both involve consonant changes.

The Disappearing 'S': ㅅ Irregular Verbs (ㅅ 불규칙) 对比 ㅎ Irregular (빨갛다)

Both involve deletion.

常见错误

벗어요

벗어요 (Wait, this is regular!)

Learners think all verbs ending in ㅅ are irregular.

짓어요

지어요

Forgetting to drop the ㅅ.

낫고

낫고 (Correct)

Over-applying the rule to consonants.

부어요

부어요 (Wait, this is irregular!)

Confusing regular and irregular.

짓어서

지어서

Failure to drop ㅅ before vowel.

잇어요

이어요

Incorrect stem handling.

낫지 않아요

낫지 않아요 (Correct)

Thinking ㅅ must always drop.

짓은

지은

Incorrect modifier form.

붓는

붓는 (Correct)

Thinking it drops before consonants.

낫은

나은

Incorrect modifier form.

짓어라

지어라

Imperative form error.

잇어라

이어라

Imperative form error.

붓어라

부어라

Imperative form error.

짓으니

지으니

Conjunctive form error.

句型

감기가 ___.

집을 ___.

물을 ___.

선을 ___.

Real World Usage

Doctor's Office very common

감기가 다 나았어요.

Construction Site common

건물을 짓고 있습니다.

Cooking common

냄비에 물을 부으세요.

Texting very common

나았어?

Math Class occasional

두 점을 이으세요.

Poetry rare

시를 짓다.

🎯

幽灵般的存在

记住:即使 ㅅ 消失了,词干依然被当作‘有收音’。所以我们要说 «나으면» 而不是 «나면»。
⚠️

别乱丢 ㅅ

常用的词像 «웃다» (笑)、«씻다» (洗) 和 «벗다» (脱) 是规则变化的。在这些词里保留 ㅅ 对自然表达至关重要。
💬

礼貌很重要

在正式场合(如面试),ㅅ 会留下,因为像 -습니다 这样的结尾是以辅音开头的。ㅅ 只在日常元音对话中‘躲起来’。

Smart Tips

Check if it's on the irregular list before conjugating.

벗어요 (Correct, but don't drop ㅅ) 지어요 (Correct, drop ㅅ)

Always drop the ㅅ for irregular verbs.

짓어요 지어요

Keep the ㅅ for irregular verbs.

지고 짓고

Look up the verb in a dictionary; it will indicate if it's irregular.

짓다 (irregular) 벗다 (regular)

发音

ji-eo-yo

S-deletion

The 'ㅅ' is silent when dropped, so the vowel endings connect directly to the stem.

Statement

지어요 ↘

Neutral declarative tone.

记住它

记忆技巧

The 'S' is a shy ghost; it hides whenever a vowel comes near!

视觉联想

Imagine a letter 'S' wearing a cloak. When a vowel (like '아') walks by, the 'S' pulls its cloak over its head and disappears.

Rhyme

When the vowel starts to play, the 'S' will run away.

Story

Once there was a builder named 'S'. He loved to work, but he was very shy. Whenever he saw a vowel, he would hide behind a wall. But when he saw a consonant, he would stand tall and proud.

Word Web

짓다낫다잇다붓다긋다

挑战

Write 5 sentences using '짓다' and '낫다' in both past and present tense.

文化笔记

Used in all formal and informal contexts.

Often keeps the 'ㅅ' longer or uses different endings.

Often shortens verbs to the stem.

The 'ㅅ' irregular rule is a remnant of Middle Korean phonology.

对话开场白

감기가 다 나았어요?

어떤 집을 짓고 싶어요?

이 선을 이으면 뭐가 돼요?

물을 부을까요?

日记主题

Describe how you recovered from a cold.
Write about a house you want to build.
Explain how to connect two points on a map.
Write a recipe involving pouring water.

常见错误

Incorrect

正确


Incorrect

正确


Incorrect

正确


Incorrect

正确

Test Yourself

用 낫다 (痊愈) 的正确形式填空。

어제보다 몸이 많이 _____. (敬语现在时)

✓ Correct! ✗ Not quite. Correct answer: 나아요
낫다 是不规则动词,在 -아요 前 ㅅ 消失。
找出并修正句子中的错误。 Error Correction

Find and fix the mistake:

커피를 젓아요.

✓ Correct! ✗ Not quite. Correct answer: 커피를 저어요.
젓다 是不规则动词(丢掉 ㅅ),且词干元音是 ㅓ,所以用 -어요。
将这句话翻译成韩语。 翻译

我在造房子。

Answer starts with: 집을 ...

✓ Correct! ✗ Not quite. Correct answer: 집을 지어요.
‘造’是 짓다。在 -어요 前丢掉 ㅅ 变成 지어요。

Score: /3

练习题

8 exercises
Conjugate 짓다 in the present tense.

저는 밥을 ___.

✓ Correct! ✗ Not quite. Correct answer: b
The ㅅ drops before -어요.
Find the error. Error Correction

Find and fix the mistake:

감기가 낫었어요.

✓ Correct! ✗ Not quite. Correct answer: b
The ㅅ drops before -았어요.
Which is correct? 多项选择

물을 ___.

✓ Correct! ✗ Not quite. Correct answer: a
Before -고, the ㅅ stays.
Reorder the words. Sentence Reorder

나았어요 / 감기가 / 다

✓ Correct! ✗ Not quite. Correct answer: a
Standard word order.
Translate to Korean. 翻译

I am building a house.

✓ Correct! ✗ Not quite. Correct answer: b
Correct conjugation.
Match the verb to its irregular form. Match Pairs

짓다 -> ?

✓ Correct! ✗ Not quite. Correct answer: a
짓다 is irregular.
Build a sentence. Sentence Building

Use 잇다 + -어서

✓ Correct! ✗ Not quite. Correct answer: a
ㅅ drops before -어서.
Which is correct? 多项选择

그는 시를 ___.

✓ Correct! ✗ Not quite. Correct answer: a
Before -습니다, the ㅅ stays.

Score: /8

Practice Bank

10 exercises
用 붓다 (倒) 完成句子。 填空

컵에 물을 _____. (敬语现在时)

✓ Correct! ✗ Not quite. Correct answer: 부어요
哪一个是 짓다 的正确连接形式? 多项选择

집을 ____ 싶어요. (想造房子)

✓ Correct! ✗ Not quite. Correct answer: 짓고
将单词排序。 Sentence Reorder

나았어요 / 감기가 / 다

✓ Correct! ✗ Not quite. Correct answer: 감기가 다 나았어요.
将动词与其正确的敬语形式匹配。 Match Pairs

匹配正确的一对

✓ Correct! ✗ Not quite. Correct answer: 낫다:나아요, 웃다:웃어요, 씻다:씻어요, 짓다:지어요
翻译:‘如果搅拌一下,味道会更好。’ 翻译

If you stir it, it tastes better.

✓ Correct! ✗ Not quite. Correct answer: 저으면 더 맛있어요.
修正错误。 Error Correction

손을 씻어요.

✓ Correct! ✗ Not quite. Correct answer: 손을 씻어요.
完成句子:‘请连线。’ 填空

선을 _____. (礼貌命令)

✓ Correct! ✗ Not quite. Correct answer: 이으세요
哪个动词是不规则的? 多项选择

找出不规则动词。

✓ Correct! ✗ Not quite. Correct answer: 붓다
翻译:‘我给我的猫起了一个名字。’ 翻译

I made a name for my cat.

✓ Correct! ✗ Not quite. Correct answer: 고양이 이름을 지었어요.
重新排列句子。 Sentence Reorder

나으면 / 다시 / 몸이 / 만나요

✓ Correct! ✗ Not quite. Correct answer: 몸이 나으면 다시 만나요.

Score: /10

常见问题 (8)

No, only a few like 짓다, 낫다, 잇다, 붓다 are irregular.

It's a phonological rule to make pronunciation easier before vowels.

No, only to endings starting with a vowel.

No, '벗다' is a regular verb.

You have to memorize the small list of irregular verbs.

Yes, but remember the ㅅ stays before -습니다.

They are both irregular, but the mechanism is different.

Very common in daily life, especially with '낫다' and '짓다'.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish partial

Stem-changing verbs

Spanish changes vowels; Korean deletes consonants.

French low

Liaison

French adds sounds; Korean removes them.

German low

Strong verbs

German is vowel-based; Korean is consonant-based.

Japanese low

Godan verbs

Japanese is systematic; Korean is irregular.

Arabic moderate

Weak roots

Arabic is root-based; Korean is stem-based.

Chinese none

None

Chinese is isolating; Korean is agglutinative.

Learning Path

Prerequisites

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