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Lesson Objectives
- Understand the function of 은/는 as a topic marker (not a subject marker)
- Know when to use 은 vs 는 — consonant-ending vs vowel-ending nouns
- Use 이에요 and 예요 correctly to say "is / am / are" in polite speech
- Know when to use 이에요 vs 예요 — consonant vs vowel endings
- Build complete identity sentences: 저는 학생이에요, 이름은 카미예요
You've been using these since Lesson 11
Every example sentence in lessons 11–17 contained 은/는 and 이에요/예요. In L11 you saw 안녕하세요, 저는 카미예요 — "Hi, I'm Cami". In L12 you saw 저는 학생이에요 — "I'm a student". Today is the lesson where those patterns stop being mysterious and become fully understood. Grammar is not a separate subject from vocabulary — it's the structure that holds your words together.
은/는 does not mean "I" — it marks what the sentence is about
This is the most important thing to understand about 은/는: it is a topic marker, not a subject marker. It tells the listener "this is what we're talking about now." In English we don't have a direct equivalent — we handle topics through word order and stress. Korean makes it explicit with a particle.
The particle attaches directly to the end of the topic noun. Which form you use depends on whether the noun ends in a consonant or a vowel:
은 — attaches to nouns ending in a consonant (받침): 학생은, 한국은, 책은
는 — attaches to nouns ending in a vowel (no 받침): 저는, 카미는, 나라는
The split exists entirely for pronunciation — 은 adds a syllable after a consonant to make it speakable; 는 attaches smoothly after vowels. The meaning is identical.
| Noun | Ends in | Add | Result | Meaning |
|---|---|---|---|---|
| 저jeo | vowel ㅓ | 는 | 저는 | As for me / I (topic) |
| 학생hak-saeng | consonant ㅇ | 은 | 학생은 | As for the student |
| 한국어han-gu-geo | vowel ㅓ | 는 | 한국어는 | As for Korean (language) |
| 이름i-reum | consonant ㅁ | 은 | 이름은 | As for the name |
| 오늘o-neul | consonant ㄹ | 은 | 오늘은 | As for today |
| 나라na-ra | vowel ㅏ | 는 | 나라는 | As for the country |
Topic vs. subject — why the difference matters
Korean has both a topic particle (은/는) and a subject particle (이/가, coming in Lesson 19). They are not interchangeable. 은/는 sets the frame for the whole conversation. 이/가 introduces new information. For now, the key insight is: when you say 저는, you are making yourself the topic — "speaking of me, here is something about me."
이에요/예요 — "is / am / are" in polite speech
이에요 and 예요 are both forms of the polite copula — the verb "to be" used to link a subject/topic to a noun or predicate. They are identical in meaning; the form changes based on whether the preceding noun ends in a consonant or a vowel. Same rule as 은/는.
Use after nouns ending in a consonant (받침)
학생이에요 hak-saeng-i-e-yo · (I/you/they) am/are a student 한국 사람이에요 han-guk sa-ram-i-e-yo · (I am) KoreanUse after nouns ending in a vowel (no 받침)
카미예요 ka-mi-ye-yo · (I am) Cami 한국어예요 han-gu-geo-ye-yo · (It) is KoreanTo turn these into a question, simply raise your intonation at the end. Nothing changes in the spelling. 학생이에요? = Are you a student? 한국 사람이에요? = Are you Korean? The written question mark is often added for clarity, but the grammar is the same. Korean does not invert word order for questions the way English does.
Negation — 이에요/예요 → 이/가 아니에요
The negative of "is" is 아니에요 (a-ni-e-yo) — meaning "is not." The particle that attaches to the noun before 아니에요 is 이/가 (the subject particle from L19). For now, learn the pattern as a chunk:
Negative: 저는 학생이 아니에요 — I am not a student
Positive: 이름은 카미예요 — My name is Cami
Negative: 이름은 카미가 아니에요 — My name is not Cami
오늘의 단어 — Words that go with 은/는 and 이에요/예요
Today's vocabulary is chosen to work directly with the grammar you've just learned. Every word here naturally appears in 저는 ___ 이에요/예요 sentences. Tap each card to expand.
👆 Tap any card to expand
Total words in your active deck
105 words. You've crossed the 100-word threshold — a genuine landmark. More importantly, you now have grammar to hold those words together. Sentences are becoming possible.
저는 ___ 이에요/예요 — the template
The pattern 저는 [noun]이에요/예요 is the backbone of Korean self-introduction. It combines everything from this lesson: topic particle + copula. Look at how it scales from one word to a full introduction:
Tap each card to reveal the answer
👆 Tap to reveal — try to answer before you tap
자기소개 — The Korean Self-Introduction
자기소개 (ja-gi-so-gae) means self-introduction — 자기 (self) + 소개 (introduction). In Korea, formal self-introductions follow a remarkably consistent structure: name, country, occupation or affiliation, and sometimes age. The grammar you learned today is the literal scaffolding of this ritual: 저는 [이름]이에요. [나라] 사람이에요. [직업]이에요.
Korean culture places great emphasis on context and relationship — knowing someone's occupation and approximate age helps establish the social register (how formally to speak to them). This is why the patterns in today's lesson aren't just grammar exercises. They're the foundation of how Koreans place themselves in relation to others. 이름이 뭐예요? is never a neutral question — it's the beginning of a social mapping.
📚 Lesson 18 Homework
Before Lesson 19…
Write your own 자기소개 (self-introduction) using today's grammar: 저는 [이름]이에요/예요. 저는 [나라] 사람이에요. 직업은 [직업]이에요/예요. 취미는 [취미]예요. Say it aloud 5 times until it flows naturally.
Practice the 은/는 rule with 10 nouns from your vocabulary deck. Write each noun, identify whether it ends in a consonant or vowel, and write the particle form: e.g. 학생 → consonant ㅇ → 학생은.
Practice the 이에요/예요 rule with the same 10 nouns: e.g. 학생 → consonant ㅇ → 학생이에요. Then 카미 → vowel ㅣ → 카미예요. Write 5 full sentences.
Add today's 15 words to your flashcard deck. Priority words for TOPIK 1: 학생, 선생님, 이름, 친구, 직업, 이것, 뭐, 저. These appear constantly in both reading and listening sections.
Lesson 19 preview: The subject particle 이/가 — the complement to 은/는. Where 은/는 marks the topic, 이/가 marks the grammatical subject, especially when introducing new information. You'll also learn 있어요/없어요 (there is / there isn't), completing the basic predicate toolkit.