Learn Korean Through a Structured Step-by-Step System

(Scroll down for the ~기 grammar lesson.)

Learn Korean through the Focus Korean System, a structured curriculum developed by Suebeet Kim and refined through nearly 20 years of teaching experience.

Since 2005, students around the world have developed real Korean communication skills through a clear progression from Beginner to Advanced levels. Whether you are learning Korean for personal enrichment, family connections, travel, work, heritage language development, or professional goals, the Focus Korean System provides a complete roadmap for success.

✔ Structured Beginner → Advanced curriculum
✔ Speaking, reading, writing, and grammar integrated together
✔ Clear level-by-level progression
✔ Trusted by students, families, professionals, and organizations
✔ Nearly 20 years of teaching experience

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Many learners struggle because they study Korean without a clear roadmap.

❌ Random YouTube videos
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The Focus Korean System provides a structured learning path designed to help students build long-term Korean language skills.

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Changing Verbs to Nouns with ~기

In Korean, you can turn a verb into a noun by attaching ~기 to the verb stem. This is similar to adding “-ing” to a verb in English, turning “run” into “running” or “read” into “reading.” It allows the action to function like a noun — the subject or object of a sentence.


✅ How to Form

  1. Take the verb stem (remove 다).
  2. Add .

Examples:

  • 가다 → 가 (going)
  • 먹다 → 먹 (eating)
  • 배우다 → 배우 (learning)
  • 운동하다 → 운동하 (exercising)

✅ When to Use ~기

Use ~기 when you want to:

1. Talk about habits or preferences

  • 저는 요리하기를 좋아해요.

    (I like cooking.)
  • 운동하기는 어려워요.

    (Exercising is difficult.)

2. Describe activities as general concepts

  • 공부하기가 재미있어요.

    (Studying is fun.)
  • 일찍 일어나기는 힘들어요.

    (Waking up early is hard.)

3. List actions or goals

  • 제 취미는 책 읽기, 영화 보기예요.

    (My hobbies are reading books and watching movies.)
  • 목표는 한국어 배우기예요.

    (My goal is learning Korean.)

⚠️ Common Mistakes

  • Don’t confuse ~기 with ~는 것, which also nominalizes verbs.

    ~기 is often used for general concepts or routines, while ~는 것 is used more descriptively (e.g., “the thing that…”).

Summary Table

Verb Verb Stem Noun Form (~기) Meaning
가다 (to go) 가기 going
먹다 (to eat) 먹기 eating
공부하다 (to study) 공부하 공부하기 studying
자다 (to sleep) 자기 sleeping

Final Tip

💡 If you can say “~ing” in English, try using ~기 in Korean.
💡 It’s especially useful when combining with 좋아하다, 싫어하다, 어렵다, 쉽다, and 재미있다.