Learn Korean Through a Structured Step-by-Step System

(Scroll down for the 는/은 vs. 를/을 vs. 이/가 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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Choose Your Learning Path

Every student follows the same Focus Korean curriculum. The difference is how you choose to learn.

📘 Self-Study Program ($99 Per Level)

Learn Korean independently through structured video lessons and digital textbooks.

✔ Learn at your own pace
✔ Video lessons
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✔ Lifetime access
✔ Beginner through Advanced progression

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Join structured weekly classes led by a native Korean instructor.

✔ Weekly live instruction
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✔ Small-group learning environment
✔ Adult and children’s classes
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🎯 Private 1:1 Lessons

Receive personalized instruction tailored to your goals and schedule.

✔ Customized lessons
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Why the Focus Korean System Works

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

❌ Random YouTube videos
❌ Multiple apps with no progression
❌ Memorizing grammar without practical use
❌ Not knowing what to study next

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

✔ Clear progression
✔ Integrated speaking, reading, writing, and grammar
✔ Real communication focus
✔ Consistent curriculum
✔ Nearly 20 years of refinement

Your Korean Learning Roadmap

All learning formats follow the same curriculum.

Beginner Level

Level 1 → Level 2 → Level 3 → Level 4 → Level 5 → Level 6

Intermediate Level

Level 1 → Level 2

Advanced Level

Level 1 → Level 2

Students always know what to study next and how each level connects to the next stage of development.

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What You Will Gain

✔ Confidence speaking Korean
✔ Strong grammar foundations
✔ Reading comprehension skills
✔ Practical writing ability
✔ Expanded vocabulary
✔ Greater cultural understanding
✔ Long-term language learning habits

The goal is not simply to study Korean but to communicate confidently and naturally.

Girl holding Focus Korean textbooks levels 1-4b

Understanding the Korean Particles 는/은, 를/을, and 이/가

Korean grammar uses particles to show the role of words in a sentence. Three of the most common particles are 는/은, 를/을, and 이/가. They may look similar to beginners, but each has a unique function. Let’s explore how they work and how they differ.

1. 는 / 은 – Topic Marker

This particle marks the topic of a sentence — what you’re talking about or introducing.

  • 는 is used after a vowel.
  • 은 is used after a consonant.

It sets the general theme and often contrasts or emphasizes what follows.

Examples:

  • 저는 학생이에요.

    (As for me, I’m a student.)
  • 이 책은 재미있어요.

    (As for this book, it’s interesting.)

✅ Use 는/은 to:

  • Introduce new topics
  • Compare or contrast
  • Emphasize the context of discussion

2. 이 / 가 – Subject Marker

This marks the subject of the sentence — the person or thing that performs an action or is described by the verb.

  • 이 is used after a consonant.
  • 가 is used after a vowel.

It often highlights who or what is doing something or experiencing a state.

Examples:

  • 고양이가 자고 있어요.

    (The cat is sleeping.)
  • 누가 왔어요?

    (Who came?)

✅ Use 이/가 to:

  • Emphasize the subject or who is doing the action
  • Answer “who?” or “what?”
  • Introduce something new to the conversation

3. 를 / 을 – Object Marker

This particle marks the object — the noun that receives the action of the verb.

  • 를 is used after a vowel.
  • 을 is used after a consonant.

Examples:

  • 밥을 먹어요.

    (I eat rice.)
  • 책을 읽어요.

    (I read a book.)

✅ Use 를/을 to:

  • Show what someone is acting upon
  • Mark the direct object of a verb

Summary Table

Particle Function Used After Role in Sentence
는/은 Topic Marker Vowel/Consonant What the sentence is about
이/가 Subject Marker Consonant/Vowel Who/what does the action
를/을 Object Marker Vowel/Consonant What receives the action

Final Tip

Sometimes, more than one particle seems possible. For example:

  • 저는 밥을 먹어요. (Topic + Object)
  • 내가 밥을 먹어요. (Subject + Object, emphasizing)

Both are grammatically correct, but the meaning shifts slightly depending on what you want to emphasize — the topic or the subject.

With practice and exposure, choosing the right particle will become more natural!