Purpose for Nouns: For the Sake of (-기 위한)
Grammar Rule in 30 Seconds
Use -기 위한 to turn a verb into a modifier that describes the purpose of a noun.
- Attach -기 위한 directly to the verb stem: 공부하다 → 공부하기 위한.
- The resulting phrase must be followed by a noun: 건강을 위한 운동.
- It expresses the goal or intention behind the noun that follows.
Overview
Korean grammar offers precise ways to express the purpose behind actions and entities. Among these, the pattern [Verb stem]-기 위한 (-gi wihan) stands out as a crucial construction for specifying the intended purpose or function of a noun. This isn't just about stating what something is; it defines why it exists or what it is meant for.
At its core, [Verb stem]-기 위한 takes a verb, transforms it into a noun-like concept through nominalization, and then uses that concept to modify another noun, describing its raison d'être. You can think of it as a specialized adjectival phrase that clearly articulates the goal or objective that a particular noun serves. For instance, a 책 (book) isn't just a 책; it might be a 한국어를 배우기 위한 책 (a book for learning Korean).
This pattern is built upon the verb 위하다 (wihada, to do for / for the sake of) and the nominalizing suffix -기 (-gi). The form 위한 is the adnominal (noun-modifying) form of 위하다, directly attaching to the nominalized verb. It is a highly versatile and frequently encountered structure, especially in formal writing, technical documentation, news reports, and instructional contexts where clarity of purpose is paramount.
While it might sound formal, its presence in everyday media like app interfaces (다시 보기 위한 콘텐츠 - content for watching again) demonstrates its practical utility.
Understanding [Verb stem]-기 위한 means grasping the precise 'why' attached to a thing, distinguishing it sharply from the 'why' attached to an action, which is typically expressed with [Verb stem]-기 위해(서) (-gi wihaeseo). This distinction is critical for both comprehension and accurate production of Korean.
How This Grammar Works
-기 (-gi) is attached to a verb stem. This suffix converts a verb into a form that functions like a noun, allowing it to be the subject or object of a sentence, or, in this case, to be modified by or combined with other elements. For example, 먹다 (to eat) becomes 먹기 (the act of eating, or eating as a concept).먹기 now represents the concept of eating.위한 (wihan) from the verb 위하다 (wihada, to do for, for the sake of) attaches to this nominalized verb. 위한 specifically means 'that is for' or 'intended for'. When 위한 follows [Verb stem]-기, the entire phrase [Verb stem]-기 위한 becomes an adnominal phrase, acting like an adjective to modify the noun that immediately follows it.영어를 가르치기 위한 선생님 (a teacher for teaching English). Here, 가르치다 (to teach) becomes 가르치기 (the act of teaching). Then, 가르치기 위한 describes 선생님 (teacher).영어 선생님 (English teacher), which implies their subject, but 영어를 가르치기 위한 선생님 emphasizes their dedicated purpose or role in teaching English, perhaps in a special program or context. The clarity it provides is why it's so valuable in Korean.Formation Pattern
[Verb stem]-기 위한 is straightforward, as the nominalizer -기 attaches consistently to all verb stems, regardless of whether they end in a consonant or a vowel. There are no irregular conjugations to consider with -기 itself, making this pattern relatively easy to apply once the base verb stem is identified.
-다 from the infinitive form of the verb.
-기: This transforms the verb into a noun-like concept.
위한: This is the adnominal form of 위하다 (to do for, for the sake of), which will then modify the subsequent noun.
-기 위한) | Example Noun | Complete Phrase | English Meaning |
-기 위한 across various verb stems. The resulting phrase always functions as a descriptive element clarifying the specific function or intent associated with the noun it modifies.
When To Use It
[Verb stem]-기 위한 is employed in situations demanding precise articulation of a noun's purpose or function. Its inherent formality and clarity make it indispensable across various contexts, from casual planning to professional documentation.- Defining an Object's Dedicated Function: Use this pattern to specify what an item is uniquely designed or intended for. It elevates a simple description to a statement of purpose. For example, instead of just
요리 책(cooking book), you might say건강한 식사를 준비하기 위한 요리 책(a cookbook for preparing healthy meals), clearly outlining the book's specific health-oriented objective.
- Formal and Professional Contexts: In business, academic, or governmental settings, clear communication of objectives is paramount.
[Verb stem]-기 위한provides this precision. You'll find it in project proposals (새로운 시장을 개척하기 위한 전략- a strategy for pioneering new markets), policy documents, and scientific papers. Its use lends authority and removes ambiguity regarding the goals associated with a plan or resource.
- Media and Public Information: News headlines, product labels, app descriptions, and public service announcements frequently leverage this pattern to inform the audience about the purpose of initiatives, products, or features. Consider an app update noting
사용자 경험을 향상시키기 위한 새로운 기능(new features for improving user experience), which immediately communicates the developer's intent.
- Goal Setting and Personal Aspirations: When discussing personal goals or the means to achieve them,
[Verb stem]-기 위한is ideal for articulating your motivations. You might describe더 나은 미래를 만들기 위한 노력(efforts to create a better future) or해외 유학을 가기 위한 계획(a plan for going to study abroad), emphasizing the dedicated nature of your actions or resources towards these ends.
- Classifying by Purpose: Sometimes, you need to categorize items based on their specific utility.
[Verb stem]-기 위한allows for this precise classification. For instance,운동하기 위한 옷(clothes for exercising) clearly distinguishes activewear from집에서 쉬기 위한 옷(clothes for relaxing at home). This highlights the functional differentiation of similar objects.
[Verb stem]-기 위한 effectively means recognizing when a noun's mere identity isn't enough, and its deeper, often intentional, purpose needs to be explicitly communicated. It adds a layer of depth and intentionality to your descriptions in Korean.Common Mistakes
[Verb stem]-기 위한. Recognizing and understanding the linguistic reasons behind these errors is key to mastering its correct usage.- 1Confusing
[Verb stem]-기 위한with[Verb stem]-기 위해(서): This is arguably the most prevalent mistake. Both patterns express purpose, but their grammatical roles are distinct.
[Verb stem]-기 위한(-gi wihan): Modifies a noun. It describes the purpose of a thing. Example:일을 하기 위한 컴퓨터(a computer for working).[Verb stem]-기 위해(서)(-gi wihaeseo): Modifies a verb or an entire clause. It describes the purpose of an action. Example:일을 하기 위해 컴퓨터를 켰어요.(I turned on the computer to work.)
-ㄴ in 위한 is the critical indicator. Think of 위한 as an adjective (needing a noun to describe) and 위해(서) as an adverb (needing a verb to modify). Attempting to use [Verb stem]-기 위해 directly before a noun (✗ 일을 하기 위해 컴퓨터) creates an ungrammatical sentence because an adverbial phrase cannot directly modify a noun.- 1Confusing
[Verb stem]-기 위한with[Noun]을/를 위한: While both translate similarly as
Formation Table
| Verb Stem | Add -기 | Add 위한 | Result |
|---|---|---|---|
|
공부하
|
공부하기
|
공부하기 위한
|
공부하기 위한
|
|
먹
|
먹기
|
먹기 위한
|
먹기 위한
|
|
가
|
가기
|
가기 위한
|
가기 위한
|
|
읽
|
읽기
|
읽기 위한
|
읽기 위한
|
|
쓰
|
쓰기
|
쓰기 위한
|
쓰기 위한
|
|
보
|
보기
|
보기 위한
|
보기 위한
|
Meanings
This grammar structure modifies a noun by explaining its purpose or intended goal. It acts as a bridge between an action and the object meant to facilitate that action.
Goal-oriented modification
Specifying the purpose of an object or plan.
“건강을 위한 식단”
“성공을 위한 노력”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Verb + 기 위한 + Noun
|
공부하기 위한 책
|
|
Negative
|
Verb + 지 않기 위한 + Noun
|
잊지 않기 위한 메모
|
|
Question
|
Verb + 기 위한 + Noun + 입니까?
|
이것은 먹기 위한 음식입니까?
|
|
Past (Modifier)
|
Verb + 기 위해 + 썼던 + Noun
|
공부하기 위해 썼던 책
|
Formality Spectrum
공부하기 위한 책입니다. (Describing an object)
공부하기 위한 책이에요. (Describing an object)
공부하기 위한 책이야. (Describing an object)
공부용 책. (Describing an object)
Purpose Mapping
Actions
- 공부하기 studying
- 운동하기 exercising
Nouns
- 책 book
- 시간 time
Examples by Level
공부하기 위한 책
A book for studying
먹기 위한 음식
Food for eating
가기 위한 길
A road for going
쓰기 위한 펜
A pen for writing
운동하기 위한 시간
Time for exercising
여행하기 위한 가방
A bag for traveling
배우기 위한 수업
A class for learning
만들기 위한 재료
Ingredients for making
성공하기 위한 노력
Effort for success
건강을 위한 식단
A diet for health
이해하기 위한 설명
An explanation for understanding
사용하기 위한 방법
A method for using
발전하기 위한 전략
A strategy for development
보호하기 위한 법률
A law for protection
분석하기 위한 데이터
Data for analysis
해결하기 위한 방안
A plan for solving
지속가능성을 위한 정책
A policy for sustainability
최적화하기 위한 알고리즘
An algorithm for optimization
협력하기 위한 플랫폼
A platform for collaboration
조사하기 위한 위원회
A committee for investigation
변혁을 도모하기 위한 담론
A discourse for promoting reform
상호작용을 극대화하기 위한 설계
A design for maximizing interaction
통합을 실현하기 위한 기제
A mechanism for realizing integration
정당성을 확보하기 위한 논리
A logic for securing legitimacy
Easily Confused
Both express purpose.
Common Mistakes
공부하기 위한.
공부하기 위한 책.
공부하기 위해 책.
공부하기 위한 책.
공부할 위한 책.
공부하기 위한 책.
공부하는 위한 책.
공부하기 위한 책.
Sentence Patterns
이것은 ___ 위한 ___입니다.
Real World Usage
피부 보호를 위한 크림
만나기 위한 장소 정하자
성장을 위한 도전
여행을 위한 준비물
건강을 위한 샐러드
행복을 위한 기록
Noun Check
Verb Confusion
Formal Writing
Politeness
Smart Tips
Use -기 위한 to sound precise.
Use it to define your thesis.
Use it to ask about function.
Use it for schedules.
Pronunciation
Linking
The 'h' in 위한 is often softened in fast speech.
Flat
공부하기 위한 ↗ 책
Rising intonation on the noun.
Memorize It
Mnemonic
Think of '기' as the 'key' to unlock the purpose of the noun.
Visual Association
Imagine a key (기) opening a door (위한) to a room (the Noun).
Rhyme
Verb plus 'gi', then 'wihan', the purpose of the noun is clearly in hand.
Story
I bought a notebook. It was for studying. I labeled it '공부하기 위한 노트'. Now I never forget why I bought it.
Word Web
Challenge
Write 3 sentences describing items on your desk using -기 위한.
Cultural Notes
Used heavily in thesis titles and formal reports.
Derived from the verb 위하다 (to be for/to favor).
Conversation Starters
이것은 무엇을 위한 것입니까?
Journal Prompts
Common Mistakes
Test Yourself
이것은 ___ (공부하다) 위한 책입니다.
Which is correct?
Find and fix the mistake:
이것은 먹기 위해 음식입니다.
운동하다 -> ___ 위한 시간
Match each item on the left with its pair on the right:
책 / 위한 / 공부하기 / 이것은
-기 위한 can end a sentence.
A: 왜 이 가방을 샀어요? B: ___.
Score: /8
Practice Exercises
8 exercises이것은 ___ (공부하다) 위한 책입니다.
Which is correct?
Find and fix the mistake:
이것은 먹기 위해 음식입니다.
운동하다 -> ___ 위한 시간
Match verb to noun.
책 / 위한 / 공부하기 / 이것은
-기 위한 can end a sentence.
A: 왜 이 가방을 샀어요? B: ___.
Score: /8
Practice Bank
7 exercises____ 전략을 세워야 합니다.
책 / 배우기 / 한국어를 / 위한 / 입니다 / 이것은
A plan for traveling
Pick the correct Korean phrase:
Match the purpose with the item:
Fix: 친구를 만나기 위해 장소
____ 노력이 필요합니다.
Score: /7
FAQ (8)
Yes, it works with almost all action verbs.
It is neutral and used in all registers.
The structure remains the same.
No, it is for action verbs.
Yes, -을 위한 is for nouns, -기 위한 is for verbs.
No, it is fixed.
That is for adverbial use.
Yes, very.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
para + infinitive
Korean requires a noun after the phrase.
pour + infinitive
Korean structure is strictly adnominal.
zu + infinitive
Korean is more rigid with noun modification.
〜ための
Particle usage differs slightly.
为了
Chinese '为了' is usually adverbial.
لـ (li-)
Arabic uses prefixes.
Learning Path
Prerequisites
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