Korean Grammar Hub

Understand Korean Grammar Faster

Browse the grammar system by level and category, then open clear explanations with practical examples.

397 Total Rules
78 Chapters
6 CEFR level
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Active filters: CEFR level: B2
B2 Expressions & Patterns

Unintentional Ending (-go malatda)

Use -고 말았다 when an action happens contrary to your intention, creating a feeling of regret or finality.

  • • Means 'ended up doing' something
  • • Expresses regret or unintentional results
10 examples 1 exercises 1 FAQ
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B2 Expressions & Patterns Verified

Acknowledging with a 'But' (-기는 하다)

Use -기는 하다 to politely concede a point before adding a 'but' or qualification.

  • • Used to acknowledge a fact while introducing a con...
  • • Formed by adding -기는 to a verb or adjective stem...
11 examples 8 exercises 8 FAQ
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B2 Expressions & Patterns

Often / Prone to (-기 일쑤이다)

Use -기 일쑤이다 to describe negative actions or situations that happen much more often than you'd like.

  • • Means 'prone to' or 'apt to'
  • • Used for negative habits/events
12 examples 1 exercises 1 FAQ
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B2 Expressions & Patterns

Korean Grammar: Worth Doing (-ㄹ/을 만하다)

Use -ㄹ/을 만하다 to review, recommend, or judge the value of an experience in Korean.

  • • Expresses that an action is worth doing or deserve...
  • • Attaches to action verbs: vowel stems take -ㄹ, co...
10 examples 1 exercises 1 FAQ
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B2 Connective Endings

Formal Intent: In Order To (-고자)

Use `고자` for formal statements of intent where the subject remains consistent across the sentence.

  • • Formal connective ending meaning 'in order to' or...
  • • Used in speeches, interviews, reports, and profess...
10 examples 8 exercises 8 FAQ
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B2 Connective Endings

Korean Connector: I Saw It Happen (더니)

Use -더니 when you personally saw something happen to someone else that caused the current situation.

  • • Connects past observation to present result
  • • Subject is usually NOT the speaker
11 examples 1 exercises 18 FAQ
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B2 Connective Endings

Recalling Past Observations (-던데)

Use `던데` to share a personal 'eyewitness' observation that sets the stage for a follow-up thought or question.

  • • Used to recall a past personal observation as back...
  • • Combines retrospective suffix '-더-' with backgrou...
10 examples 1 exercises 1 FAQ
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B2 Connective Endings

Formal "Even If": -ㄹ/을지라도

Use `-(으)ㄹ지라도` to express 'even if' in formal, literary, or dramatic contexts where the result remains unchanged.

  • • Formal/Literary 'even if'
  • • Stronger than -아/어도
10 examples 8 exercises 8 FAQ
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B2 Particles

From (Source/Origin) - 로부터

Use `로부터` to sound official or when describing abstract origins, but stick to `한테서` for chatting with friends.

  • • Marks the source or origin of something
  • • Formal/written tone (unlike spoken 한테서)
10 examples 8 exercises 8 FAQ
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B2 Particles

Korean Particle 마저: 'Even' the Final Straw

Use 마저 to dramatically express 'even' when the absolute last remaining option or hope has collapsed.

  • • Means 'even', representing the absolute final stra...
  • • Used almost exclusively for negative situations or...
10 examples 8 exercises 8 FAQ
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B2 Speech Levels

Korean Honorific Birthdays: Saengsin (생신)

Use `생신` to show high respect to elders' birthdays; never use it for yourself or friends.

  • • Honorific version of 'birthday' used for elders an...
  • • Never use '생신' to refer to your own birthday.
10 examples 8 exercises 8 FAQ
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B2 Particles

Emphasis: Indeed, Precisely ((이)야말로)

Use `야말로` to spotlight a noun as the absolute, undisputed, and most essential example of a category.

  • • Attaches to nouns to provide strong, definitive em...
  • • Means 'indeed', 'precisely', or 'none other than'.
10 examples 8 exercises 8 FAQ
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B2 Advanced Grammar

While/Amidst (-ㄴ/은/는 가운데)

Use `-ㄴ/은/는 가운데` to set a situational background for your main action, adding professional and descriptive depth.

  • • Used to describe a background situation or atmosph...
  • • Functions like 'amidst', 'in the middle of', or 'w...
10 examples 8 exercises 8 FAQ
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B2 Particles

For / Considering (치고)

Use `치고` to highlight exceptions to general expectations based on a noun's category or standard.

  • • Attaches to nouns to express 'for' or 'considering...
  • • Indicates a result that is surprising or different...
11 examples 8 exercises 8 FAQ
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B2 Particles Verified

Let Alone / Far From (커녕)

Use `커녕` to dismiss a high expectation because even a basic requirement wasn't met.

  • • Means 'let alone' or 'far from'
  • • Used in negative contexts mostly
10 examples 8 exercises 8 FAQ
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B2 Particles

Let Alone X: -은/는커녕

Use -은/는커녕 to show that since a simple thing is impossible, a harder thing is totally out of the question.

  • • Means 'Let alone X, not even Y'
  • • Attaches to Nouns (or verbs + 기)
10 examples 8 exercises 8 FAQ
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B2 Expressions & Patterns

Goal-setting: For the Purpose of (-을/를 목적으로)

Attach `-을/를 목적으로` to a noun to formally express the specific goal or purpose of an action.

  • • Used with nouns to state a specific goal or purpos...
  • • Add '을 목적으로' after consonants; '를 목적으로'...
10 examples 8 exercises 8 FAQ
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B2 Advanced Grammar

Advanced Regret: -ㄹ/을 걸 (Should Have)

Use verb stem + `-(으)ㄹ 걸` with a falling tone to express regret about things you should have done.

  • • Expresses regret about past choices
  • • Equivalent to English 'should have'
11 examples 1 exercises 1 FAQ
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B2 Expressions & Patterns

Just/Only: Emphatic Limitation (-ㄹ/을 뿐이다)

Use -ㄹ/을 뿐이다 to firmly state that an action or situation has no hidden motives or extra qualities.

  • • Used to mean 'just', 'only', or 'nothing more than...
  • • Combines a prospective modifier (-ㄹ/을) with the...
12 examples 8 exercises 8 FAQ
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B2 Connective Endings

Even Though: Unexpected Results (-ㄴ/은/는데도)

Use '-ㄴ/은/는데도' to emphasize an unexpected, surprising, or ironic result despite a specific situation or background.

  • • Expresses a result that is the opposite of what is...
  • • Combines background-setting '-는데' with the empha...
10 examples 8 exercises 8 FAQ
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B2 Speech Levels

Jeju Dialect Survival Guide: ~suda & ~ukkwa?

Jeju dialect replaces standard `~습니다` with `~수다` and uses unique vocabulary like `혼저 옵서예`.

  • • Replaces standard polite endings
  • • Statement ending: ~수다 (suda)
12 examples 8 exercises 8 FAQ
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B2 Expressions & Patterns Verified

The More... The More... (-(으)면 -(으)ㄹ수록)

Use `-(으)면 -(으)ㄹ수록` to describe how one situation changes in direct proportion to another.

  • • Expresses proportional change: 'the more X happens...
  • • Formed by repeating a verb stem with -(으)면 and -...
12 examples 1 exercises 1 FAQ
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Why Learn Korean Grammar?

Grammar is the foundation of language fluency. Without understanding grammar patterns, you can memorize vocabulary but struggle to form correct sentences. Here's why structured grammar study matters:

Build Accurate Sentences

Move beyond memorized phrases. Understand the rules so you can create original, correct sentences in any situation.

Pass Language Exams

Grammar is tested in every major language exam — IELTS, DELE, DELF, JLPT, HSK, TOPIK, and more. Our CEFR-aligned curriculum maps directly to exam requirements.

Understand Native Speakers

Knowing grammar helps you parse complex sentences, understand nuance, and follow conversations even when speakers use advanced constructions.

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Students who study grammar systematically reach fluency faster than those who rely on immersion alone. Structure accelerates learning.

How Our Korean Grammar Course Works

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Start with your CEFR level — from A0 Zero Point to C2 Mastery. Not sure? Begin at A0 and progress at your own pace.

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Each chapter covers a grammar topic with clear explanations, pattern tables, and real-world example sentences.

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Frequently Asked Questions About Korean Grammar

SubLearn covers 397 Korean grammar rules organized across 6 CEFR proficiency levels (from A1 to C2), spanning 78 structured chapters. Each rule includes clear explanations, real-world examples, and interactive practice exercises.

Our Korean grammar curriculum covers CEFR levels from A1 to C2. Each level is designed to match your current proficiency — beginners start with basic sentence patterns at A1, while advanced learners tackle nuanced structures at C1-C2.

Yes! All Korean grammar rules, explanations, and examples are completely free to access. You can browse the full curriculum, read detailed explanations, and practice with exercises at no cost.

Grammar is organized into 78 thematic chapters following the CEFR framework. Each chapter groups related rules together — for example, verb tenses, sentence structure, or particles — so you can learn related concepts in a logical sequence.

Yes! Create a free account to track which grammar rules you've studied, see your progress across all CEFR levels, and pick up exactly where you left off. Your learning progress syncs across devices.

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