B2 · 中高级 章节 16

Inevitability and Close Calls

5 总规则
54 例句
5 分钟
本章规则 快速练习

Chapter in 30 Seconds

Master the art of describing natural outcomes, unavoidable situations, and near-misses in Korean.

  • Identify patterns for natural consequences and habits.
  • Express strong personal or external necessity.
  • Describe events that almost occurred but were avoided.
From inevitable truths to close calls, speak with precision.

你将学到什么

Hey there, awesome Korean learners! In this chapter, we're diving deep into some super useful and cool grammatical structures that will seriously level up your conversations. Imagine wanting to express that something is bound to happen, or unavoidable, or that you

had no choice but to
do something. And the best part? You'll learn how to talk about those almost moments – things that nearly happened but thankfully didn't! These five grammar points – '-기 마련이다' (for outcomes naturally bound to happen), '-지 않을 수 없다' (for situations/emotions completely unavoidable), '-ㄹ/을 수밖에 없다' (for when circumstances force your hand), '-기 일쑤이다' (for negative actions that happen often), and '-(으)ㄹ 뻔하다' (for those famous 'close calls') – are your new best friends for expressing precise nuances. For instance, when your friend studies really hard, you can confidently say, 'Of course they'll get good grades, that's just how it is!' (using '-기 마련이다'). Or if you watched a super sad movie and felt heartbroken, how would you say, 'I just couldn't help but cry!'? ('-지 않을 수 없다' is perfect for that!). These aren't just for emotions; they're incredibly practical for daily situations too. Like when you left home late and 'almost missed the bus' (that's '-(으)ㄹ 뻔하다'!) or if you 'always forget your keys' (which you can express with '-기 일쑤이다'). You'll move beyond basic statements, adding depth and authenticity to your Korean. By the end of this chapter, you'll be able to confidently discuss everyday events, probabilities, and even those minor mishaps that nearly occurred, making you sound much more like a native speaker. Ready to jump in?

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Use -기 마련이다 to comment on universal truths or expected outcomes.

章节指南

Overview

Hey there, awesome Korean learners! Welcome to a truly exciting chapter that will significantly elevate your conversational skills and help you express nuanced ideas with confidence. As you navigate the B2 Korean grammar landscape, mastering expressions of inevitability and those tricky close calls is absolutely essential for sounding more like a native speaker.
This guide is designed to help you conquer these sophisticated structures, adding depth and authenticity to your spoken and written Korean.
In this chapter, we're diving deep into five incredibly useful grammatical patterns: -기 마련이다 (for outcomes naturally bound to happen), -지 않을 수 없다 (for situations or emotions that are completely unavoidable), -ㄹ/을 수밖에 없다 (for when circumstances leave you with no other choice), -기 일쑤이다 (for negative actions that happen frequently), and -(으)ㄹ 뻔하다 (for those famous 'almost' or 'nearly happened' moments). These aren't just abstract rules; they're the linguistic tools you'll use daily to describe life's certainties, unexpected turns, and minor mishaps.
Understanding these patterns will allow you to articulate complex thoughts and feelings, moving beyond basic statements to truly engage in meaningful conversations. Whether you're discussing predictable human behavior, expressing overwhelming emotions, explaining unavoidable decisions, or recounting a near miss, these structures are your key to advanced fluency. Get ready to unlock a new level of precision and naturalness in your Korean grammar journey!

How This Grammar Works

Let's break down these powerful Korean grammar structures, giving you the tools to express inevitability and close calls like a pro.
First up is -기 마련이다, which means bound to, destined to, or naturally happens. This pattern expresses a general truth or a natural consequence. It's often used when something is considered an unavoidable outcome given certain conditions.
Example

열심히 공부하면 성적이 오르기 마련이다. (If you study hard, your grades are bound to go up.)

Next, we have -지 않을 수 없다, meaning "can't help but or cannot but." This expresses an unavoidable action or emotion, implying that one has no control over it. It's often used with verbs describing feelings or involuntary actions.
Example

너무 슬픈 영화를 봐서 울지 않을 수 없었어요. (I watched such a sad movie that I couldn't help but cry.)

Then there's -ㄹ/을 수밖에 없다, which translates to
have no choice but to
or can only. This indicates that there is no other alternative or option due to external circumstances or logical necessity.
Example

비가 너무 많이 와서 집에 있을 수밖에 없었어요. (It rained so much that I had no choice but to stay home.)

For frequently occurring negative actions, we use -기 일쑤이다, meaning often, prone to, or "it's common for... to happen." This pattern highlights a repetitive, usually undesirable, action or event.
Example

저는 아침에 늦잠을 자기 일쑤예요. (I often oversleep in the morning.)

Finally, for those heart-stopping moments, we have -(으)ㄹ 뻔하다, meaning almost did, nearly did, or
came close to doing.
This expresses that an action or event almost happened but ultimately did not. It often conveys relief or regret.
Example

버스를 놓칠 뻔했어요. (I almost missed the bus.)

Common Mistakes

  1. 1✗ Wrong: 너무 피곤해서 잘 수밖에 없어요. (I'm so tired, I can only sleep.)
✓ Correct: 너무 피곤해서 자지 않을 수 없어요. (I'm so tired, I can't help but sleep.)
*Explanation:* While both express inevitability, -ㄹ/을 수밖에 없다 implies a lack of *other options* (e.g.,
I had no choice but to sleep because I worked all night
). -지 않을 수 없다 expresses an *uncontrollable urge or emotion* (e.g., "I couldn't help but sleep because I was so tired"). Here, the tiredness directly causes the involuntary action of sleeping.
  1. 1✗ Wrong: 그는 항상 칭찬을 받기 일쑤예요. (He often receives praise.)
✓ Correct: 그는 항상 칭찬을 받아요. (He always receives praise.)
*Explanation:* -기 일쑤이다 is primarily used for negative or undesirable frequent actions. Receiving praise is generally a positive thing, so using -기 일쑤이다 sounds unnatural or even sarcastic. For positive or neutral frequent actions, simpler adverbs like 항상 (always) or 자주 (often) are more appropriate.

Real Conversations

A

A

와, 이번 시험 정말 어려웠는데, 철수 씨는 또 만점 받았네요. (Wow, this exam was really hard, but Cheolsu got a perfect score again.)
B

B

철수 씨는 항상 열심히 공부하니까, 좋은 성적을 받기 마련이죠. (Cheolsu always studies hard, so it's natural that he gets good grades.)
A

A

어제 영화 봤어요? 저는 정말 감동해서 눈물이 펑펑 났어요. (Did you watch the movie yesterday? I was so moved that tears just flowed.)
B

B

저도요! 너무 감동적이어서 울지 않을 수 없었어요. (Me too! It was so touching that I couldn't help but cry.)
A

A

갑자기 비가 와서 우산도 없었는데 어떻게 집에 왔어요? (It suddenly rained, and I didn't have an umbrella. How did you get home?)
B

B

너무 멀어서 걸어올 수밖에 없었어요. 다 젖었죠. (It was too far, so I had no choice but to walk home. I got all wet.)

Quick FAQ

Q

How do I choose between -지 않을 수 없다 and -ㄹ/을 수밖에 없다 for no choice?

-지 않을 수 없다 emphasizes an unavoidable *action or emotion* driven by an internal state (e.g., "I couldn't help but laugh

). -ㄹ/을 수밖에 없다 emphasizes a lack of *alternative options* due to external circumstances (e.g.,
I had no choice but to take the bus because my car broke down").

Q

Can -(으)ㄹ 뻔하다 be used for positive almost situations?

Generally, -(으)ㄹ 뻔하다 implies that something negative or potentially problematic almost happened, and there's a sense of relief that it didn't. While technically possible to say

I almost won the lottery,
it's less common and might imply slight regret. It's predominantly used for negative close calls.

Q

Is -기 일쑤이다 always negative?

Yes, -기 일쑤이다 almost exclusively describes actions or events that are frequent and undesirable, problematic, or annoying. Using it for positive or neutral frequent occurrences would sound very unnatural to native speakers.

Cultural Context

These B2 Korean grammar patterns are deeply embedded in everyday Korean communication, reflecting a cultural emphasis on circumstances and collective experience. -기 마련이다 often highlights shared human nature or common sense, fostering a sense of understanding. Expressions like -지 않을 수 없다 and -ㄹ/을 수밖에 없다 allow speakers to convey empathy or explain actions without sounding defensive, emphasizing external factors.
-(으)ㄹ 뻔하다 is frequently used in storytelling to build suspense or share relatable minor mishaps, often eliciting shared laughter or relief. Mastering these structures not only improves your grammatical accuracy but also your ability to connect on a more nuanced, natural level with native speakers.

关键例句 (8)

1

사람은 누구나 실수를 하기 마련이에요.

人谁都会犯错的。

必然性：“总是会……” (-기 마련이다)
2

시간이 지나면 잊혀지기 마련이야.

随着时间的流逝，事情总会被遗忘的。

必然性：“总是会……” (-기 마련이다)
3

그 영화가 너무 슬퍼서 울지 않을 수 없었어요.

那部电影太感人了，我忍不住哭了出来。

不得不/忍不住 (-지 않을 수 없다)
4

배가 너무 고파서 야식을 시키지 않을 수 없었어요.

肚子太饿了，忍不住点了个夜宵。

不得不/忍不住 (-지 않을 수 없다)
5

I was so hungry, I had no choice but to eat a late-night snack.

肚子太饿了，只能吃宵夜了。

不得不/只好... (-ㄹ/을 수밖에 없다)
6

The last bus left, so I have no choice but to take a taxi.

末班车没了，只能打车了。

不得不/只好... (-ㄹ/을 수밖에 없다)
7

휴대폰을 떨어뜨려서 액정이 깨지기 일쑤예요.

我老是摔手机，屏幕经常碎。

经常 / 动不动就 (-기 일쑤이다)
8

다이어트 중인데 주말에는 과식하기 일쑤야.

虽然在减肥，但周末老是暴饮暴食。

经常 / 动不动就 (-기 일쑤이다)

技巧与窍门 (4)

💡

展现同理心是关键

当你想要支持某人时，用这个语法。说“大家一开始都很挣扎”时，用这个词听起来比直接陈述要温暖得多：“처음이라서 서툴기 마련이야.”
frontend.learn_grammar.from_rule: 必然性：“总是会……” (-기 마련이다)
🎯

情感加速器

想让你的表达听起来更有深度或带点戏剧色彩吗？在歌词或文学作品中经常能见到它：«사랑하지 않을 수 없어요.»
frontend.learn_grammar.from_rule: 不得不/忍不住 (-지 않을 수 없다)
🎯

双重否定的逻辑

把它理解成“除了这个方法之外没有别的了”，这样你就能明白为什么它翻译成肯定的“只能...”了。比如：«믿을 수밖에 없다.»
frontend.learn_grammar.from_rule: 不得不/只好... (-ㄹ/을 수밖에 없다)
⚠️

仅限负面Buff

千万别用它来形容成就！如果你说“我老是得奖：«상을 받기 일쑤이다»”，听起来就像你得奖还得烦了，非常不自然。
frontend.learn_grammar.from_rule: 经常 / 动不动就 (-기 일쑤이다)

核心词汇 (5)

어쩔 수 없다 cannot be helped 실수하다 to make a mistake 감동적이다 to be touching/moving 계절 season 지각하다 to be late

Real-World Preview

bus

Morning Commute

Review Summary

  • Verb/Adj + -기 마련이다
  • Verb + -지 않을 수 없다
  • Verb + -(으)ㄹ 수밖에 없다
  • Verb + -기 일쑤이다
  • Verb + -(으)ㄹ 뻔하다

常见错误

Use -기 마련이다 for universal laws, not personal annoying habits.

Wrong: 그는 늦기 마련이다 (He is bound to be late - as a habit).
正确: 그는 늦기 일쑤이다 (He is prone to being late).

-(으)ㄹ 뻔하다 strictly means the event did NOT happen.

Wrong: 나는 울 뻔했다 (I almost cried - but I did).
正确: 나는 울 뻔했다 (I almost cried - but I didn't).

The negation must be attached to the verb root, not the noun form.

Wrong: 공부하기 않을 수 없다 (I can't help but study).
正确: 공부하지 않을 수 없다 (I can't help but study).

本章规则 (5)

1

必然性：“总是会……” (-기 마련이다)

B2
“-기 마련이다” 表达的是一种自然而然、必然会发生的因果关系。你可以把它想象成宇宙的“自然法则”，比如 “必然如此”、“理所应当” 或 “准会”。
사람은 누구나 실수를 하기 마련이에요.
12 例句
2

不得不/忍不住 (-지 않을 수 없다)

B2
当你遇到那种“命中注定”或“别无选择”的情况，就用 «-지 않을 수 없다» 这个双重否定来表达强烈的肯定吧！
그 영화가 너무 슬퍼서 울지 않을 수 없었어요.
10 例句
3

不得不/只好... (-ㄹ/을 수밖에 없다)

B2
当你被环境所迫或者逻辑上只能得出某个结论时，这就是你的“终极借口”句型。记住这三个核心词：«수»（方法）、«밖에»（除了...之外）、«없다»（没有）。
I was so hungry, I had no choice but to eat a late...
10 例句
4

经常 / 动不动就 (-기 일쑤이다)

B2
当你想要吐槽或描述那些“频率高得离谱”的负面行为时，请认准 «-기 일쑤이다»。它比普通的“经常”更有“老毛病又犯了”的无奈感。
휴대폰을 떨어뜨려서 액정이 깨지기 일쑤예요.
12 例句
5

险些发生：差点儿…… (-(으)ㄹ 뻔하다)

B2
用 -(으)ㄹ 뻔하다 来描述那些“差一点就发生”的事情。记住这三个关键词：«差一点»、«幸好没...»、«하마터면»。
The road was slippery, so I almost fell.
10 例句

Next Steps

You've tackled some complex grammar today! Keep practicing these in your daily conversations, and you'll be speaking with natural flair in no time.

Write a diary entry using all 5 patterns

Continue to: Contrasts and Choices

快速练习 (10)

用 '-기 마련이다' 的正确形式填空。

부지런히 노력하면 성공을 (하/다).

✓ Correct! ✗ Not quite. Correct answer: 하기 마련이에요
努力导致成功是一个自然的、可预测的结果，符合 '-기 마련이다' 的模式。

frontend.learn_grammar.from_rule: 必然性：“总是会……” (-기 마련이다)

哪个场景最适合使用这个语法？

选择使用 `-기 일쑤이다` 最自然的句子：

✓ Correct! ✗ Not quite. Correct answer: 비밀번호를 자꾸 잊어버리기 일쑤예요. (总是忘记密码)
这个模式用于负面习惯或频繁的失误。得满分或开心是好事，不符合语境。

frontend.learn_grammar.from_rule: 经常 / 动不动就 (-기 일쑤이다)

用“等待” (기다리다) 完成句子

버스가 안 와서 ___ ___ ___.

✓ Correct! ✗ Not quite. Correct answer: 기다릴 수밖에 없어요
기다리다 以元音结尾，所以接 -ㄹ 수밖에 없다。

frontend.learn_grammar.from_rule: 不得不/只好... (-ㄹ/을 수밖에 없다)

找出并修改句子中的错误：'슬퍼서 울지 수 없어요.'

Find and fix the mistake:

슬퍼서 울지 수 없어요.

✓ Correct! ✗ Not quite. Correct answer: 슬퍼서 울지 않을 수 없어요.
这个语法结构中缺少了“않을”部分。

frontend.learn_grammar.from_rule: 不得不/忍不住 (-지 않을 수 없다)

找出并修正句子中的错误。

처음에는 다 서툴기 마련이고.

✓ Correct! ✗ Not quite. Correct answer: 서툴기 마련이야.
句子需要一个合适的结尾，如 '이다' 或其活用形式。'서툴기 마련이야' 是自然的非正式结尾。

frontend.learn_grammar.from_rule: 必然性：“总是会……” (-기 마련이다)

找出这句话中的错误：'버스 놓칠 뻔해요.'

Find and fix the mistake:

버스 놓칠 뻔해요.

✓ Correct! ✗ Not quite. Correct answer: 버스 놓칠 뻔했어요.
“差点发生”的事情在说话时已经属于过去，所以必须使用过去时 '뻔했어요'。

frontend.learn_grammar.from_rule: 险些发生：差点儿…… (-(으)ㄹ 뻔하다)

填空以表达“我不得不去”。

친구가 부탁해서 그 파티에 ___.

✓ Correct! ✗ Not quite. Correct answer: 가지 않을 수 없었어요
要表达“不得不去”，需要将词干“가”与“-지 않을 수 없었어요”结合。

frontend.learn_grammar.from_rule: 不得不/忍不住 (-지 않을 수 없다)

用 '잊다' (忘记) 的正确形式填空。

우산을 지하철에 ___ 뻔했어요.

✓ Correct! ✗ Not quite. Correct answer: 잊을
要表达“差点忘了”，需要使用将来时定语词尾 -(으)ㄹ 加上 뻔하다。因为 잊다 以辅音结尾，所以变成 잊을。

frontend.learn_grammar.from_rule: 险些发生：差点儿…… (-(으)ㄹ 뻔하다)

哪句句子的空格是正确的？

选择空格正确的句子：

✓ Correct! ✗ Not quite. Correct answer: 갈 수밖에 없다
在定语词尾 (갈) 后面要有空格，但 '수밖에' 作为一个整体连写，因为 '밖에' 是助词。

frontend.learn_grammar.from_rule: 不得不/只好... (-ㄹ/을 수밖에 없다)

哪句话正确表达了“我不得不买它”？

选择最自然的句子：

✓ Correct! ✗ Not quite. Correct answer: 너무 예뻐서 사지 않을 수 없어요.
表达双重否定含义时，必须使用完整的“-지 않을 수 없다”结构。

frontend.learn_grammar.from_rule: 不得不/忍不住 (-지 않을 수 없다)

Score: /10

常见问题 (6)

它表示某种结果是某种情况下的自然或必然结果。例如，“如果你锻炼，自然会感到累。” 对应的韩语是 “운동을 하면 피곤하기 마련이에요.”
只需在动词或形容词词干后加上 '-기 마련이다' 即可。例如，“먹다” 变成 “먹기 마련이다”。
不完全一样。虽然都表示“必须”，但 -지 않을 수 없다 语气更强烈，强调除此之外别无他法。它通常暗示一种逻辑或情感上的必然，比如：«가지 않을 수 없어요.»
当然可以！你可以说 «너무 예뻐서 칭찬하지 않을 수 없어요»（太漂亮了，忍不住要夸奖）。它适用于任何描述性的词汇。
不太行。它强调的是“别无选择”。如果你很想做某事，直接用普通的表达就好，不需要用这种带有一点“被迫感”的句型。
-아야 되다 是泛指“必须、应该”（比如：我得去上班）。而 «-ㄹ 수밖에 없다» 带有被逼入绝境的语气（比如：车坏了，我“只能”走路了）。
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