One of the most fascinating — and initially confusing — things you will encounter as a new student is the concept of Korean adjectives as verbs — understanding descriptive verbs is something that trips up nearly every beginner, yet once it clicks, it completely transforms how naturally you speak Korean. In English, adjectives are describing words that sit quietly beside nouns: “a beautiful flower,” “the sky is blue.” They never change form based on tense, and they certainly never act like verbs. Korean throws all of that out the window — and honestly, once you see why, you will appreciate just how elegant the system really is.
In Korean, words that translate as adjectives in English actually behave like verbs. They conjugate, they can end a sentence on their own, and they carry tense. Linguists call them descriptive verbs (형용사, hyeongyongsa, [hyung-YONG-sa] — “adjective / descriptive verb”), and mastering them is a giant leap forward in your Korean fluency. Do not worry if this sounds strange right now — by the end of this lesson, you will be using descriptive verbs naturally in real sentences.
This lesson assumes you have never studied Korean before. We will build everything from the ground up — what descriptive verbs are, how they are formed, how to conjugate them, and how to slot them into sentences you can use today. Let’s get started.
What Are Descriptive Verbs? The Big Idea
In English, “to be beautiful” is not really a verb you use on its own — you would say “the flower is beautiful,” using a separate “to be” verb. In Korean, the idea of beauty IS the verb. The word 예쁘다 (yeppeuda) [YEP-poo-da] — “to be pretty / to be beautiful” — is itself a complete verb. It already contains the meaning of “to be.” You do not need to add a separate “is” because the descriptive verb handles everything. Think of it this way: Korean descriptive verbs are adjectives and the verb “to be” fused into a single powerful word. That is the whole secret.
Every Korean descriptive verb in its dictionary form ends in 다 (da) [da] — “dictionary ending / base form marker.” This is called the infinitive or plain form. When you look a word up in a Korean dictionary, you will always see this 다 ending. The root of the verb is everything before that 다, and that root is what you work with when you conjugate.
Essential Descriptive Verbs — Your First 6
Let’s meet six of the most common and useful Korean descriptive verbs right now. You will hear and use these every single day. Notice how each one already means “to be [adjective]” — the “to be” is baked right in.
Korean (한글)
Romanization
English Sound [phonetic]
English Meaning
크다
keuda
[KUH-da]
“to be big / to be large”
작다
jakda
[JAK-da]
“to be small / to be little”
좋다
jota
[JO-ta]
“to be good / to be nice”
나쁘다
nappeuda
[NAP-poo-da]
“to be bad”
비싸다
bissada
[BEE-ssa-da]
“to be expensive”
예쁘다
yeppeuda
[YEP-poo-da]
“to be pretty / to be beautiful”
How to Conjugate Descriptive Verbs — Polite Present Tense
Dictionary forms are great for looking things up, but you cannot walk up to someone and say 크다 (keuda) [KUH-da] — “to be big” and expect a smooth conversation. You need to conjugate — that is, change the verb ending to match the situation. For beginners, the most important form is the polite present tense, which ends in 아요/어요 (ayo/eoyo) [AH-yo / UH-yo]. This is the form you will use in almost every everyday conversation.
Here is the simple rule: look at the last vowel of the verb root. If the root’s last vowel is 아 (a) or 오 (o), add 아요 (ayo) [AH-yo]. For all other vowels, add 어요 (eoyo) [UH-yo]. Think of it as a vowel harmony system — bright vowels (a, o) attract 아요, and darker vowels attract 어요. It sounds musical once you get the hang of it.
Using ~때문에 and ~아/어서 in Korean — Cause and Reason is one of the most important grammar milestones you will hit as a beginner, because the moment you master these two patterns, you stop speaking in simple single sentences and start expressing real, connected thoughts — just like a native speaker. Think about how often you explain why something happened in English: “I was late because of traffic,” or “I was tired so I went to sleep.” Korean has its own elegant ways of doing exactly this, and today you are going to learn both of them from absolute zero.
Before we dive in, take a breath — there is truly nothing to fear here. Korean grammar is actually very logical once you see the patterns, and these two cause-and-reason connectors follow rules that are consistent and predictable. Even if you have never seen a single Korean character before today, by the end of this lesson you will be able to build real Korean sentences explaining reasons and causes. That is a genuine promise from someone who has watched thousands of students go from zero to conversational.
One quick note before we begin: every Korean word in this lesson will always appear in this format — 한글 (romanization) [ENG-lish sound] — “English meaning” — so you will always know exactly how to say what you are reading, even if you cannot yet read Korean script. Let’s go!
Korean Word Order: The Foundation You Must Know First
Here is the single most important thing to understand about Korean before learning any grammar pattern: Korean word order is completely different from English. In English, we follow Subject → Verb → Object order (SVO). Korean follows Subject → Object → Verb order (SOV). That means the verb always comes at the very end of a Korean sentence or clause. This is not optional — it is the rule, every single time. Once this clicks, all Korean grammar — including cause and reason — becomes much easier to understand.
🔀 English vs Korean — How Sentences Work Differently
English (SVO)
Korean (SOV)
Literal Word Order
I eat rice.
저는 밥을 먹어요. (jeoneun babeul meogeoyo)
I [topic] rice [object] eat.
She studies Korean.
그녀는 한국어를 공부해요. (geunyeoneun hangugeoreul gongbuhaeyo)
She [topic] Korean [object] studies.
He went home because he was tired.
그는 피곤해서 집에 갔어요. (geuneun pigonhaeseo jibe gasseoyo)
He [topic] tired-so home [to] went.
💡 Key rule: In Korean, the verb always comes last. Unlike English (Subject → Verb → Object), Korean follows Subject → Object → Verb order. Once you internalize this, everything clicks — including how cause and reason connectors attach to the middle of a sentence.
What Are ~때문에 and ~아/어서? A Simple Overview
Both 때문에 (ttaemune) [tteh-MU-neh] — “because of / due to” and 아/어서 (a/eoseo) [ah/UH-suh] — “so / because (and so)” are Korean cause-and-reason connectors. Think of them as the Korean equivalents of the English words “because,” “because of,” and “so.” However — and this is crucial — they are not interchangeable. Each one follows different rules and is used in different situations. The good news? Once you learn the pattern for each, you will use them correctly every time. Let’s tackle them one by one.
~때문에 (ttaemune) — “Because of” (Noun Cause)
The pattern 때문에 (ttaemune) [tteh-MU-neh] — “because of / due to” attaches directly to a noun (a person, place, or thing) to explain the cause of something. The formula is beautifully simple: [Noun] + 때문에. Think of it exactly like the English phrase “because of ___” — you just slot a noun before it. For example: 비 (bi) [bee] — “rain” becomes 비 때문에 (bi ttaemune) [bee tteh-MU-neh] — “because of the rain.” That’s it. You have just used your first Korean cause expression!
You can also attach 때문에 to a verb clause by first converting the verb into a noun form using 기 (gi) [gee], but as an absolute beginner, focus first on the noun + 때문에 pattern — it covers the vast majority of everyday situations and is completely natural Korean. The key thing to remember: 때문에 points to a cause or reason, and it can carry a slightly stronger, more formal or emphatic tone than ~아/어서.
Learning how to use Korean connectors — ~고, ~지만, ~그래서 — is the single biggest leap you can make from sounding like a robot to sounding like a real speaker of Korean. Right now, you might be able to say simple phrases like “I eat” or “I am tired,” but the moment you learn to connect those thoughts together, your Korean transforms. Connectors are the glue of any language, and Korean has some of the most elegant and logical ones you will ever encounter.
If you have never studied Korean before, do not worry at all — this lesson starts from absolute zero. You do not need to know any grammar or vocabulary to follow along. Every Korean word and phrase in this lesson will be shown in Korean script (한글), romanized so you can read it out loud, phonetically written so you know exactly how it sounds in English syllables, and translated so you always know what you are saying. By the end of this single lesson, you will be building multi-clause Korean sentences on your own.
Think of Korean connectors the same way you think of English words like “and,” “but,” and “so.” Those three tiny words carry enormous power in English — and their Korean equivalents carry just as much weight. Master these three connectors and you will instantly be able to express contrast, sequence, and cause-and-effect in Korean. Let’s get started.
What Are Korean Connectors and Why Do They Matter?
In English, when you want to join two ideas, you use linking words. “I like coffee and I drink it every morning.” “I was tired but I kept studying.” “It was raining, so I stayed home.” Korean does exactly the same thing — it just attaches the connector directly onto the verb stem of the first clause rather than placing it between two sentences as a standalone word. This is an important difference. In English, connectors float between sentences. In Korean, they attach to the verb like a suffix. Once that clicks, everything becomes clear.
Before we dive in, here is one foundational fact about Korean sentence structure you must know: Korean is SOV — Subject, Object, Verb. English is SVO — Subject, Verb, Object. This means the verb always comes at the END of a Korean sentence. This matters for connectors because you will always attach the connector to that final verb of the first clause.
🔀 English vs Korean — How Sentences Work Differently
💡 Key rule: In Korean, the verb always comes last. Unlike English (Subject → Verb → Object), Korean follows Subject → Object → Verb order. And crucially — the connector attaches directly to that verb stem, joining your two clauses seamlessly.
Connector #1 — ~고 (go): “And / And Then”
The first and most essential Korean connector is ~고 (go) [GOH] — “and / and then.” You attach ~고 directly to the verb stem of your first clause to connect it to a second action or description. Think of it as your Korean “and.” The beautiful thing about ~고 is that it works the same way regardless of whether the verb stem ends in a vowel or consonant — no spelling changes needed.
Here is how to build it. Take any verb, remove the 요 (yo) polite ending, and attach 고. For example: 먹어요 (meogeoyo) [muh-GUH-yo] — “eat (polite)” becomes 먹고 (meokgo) [MUCK-go] — “eat and.” That’s your connector in action.
Mastering Korean negation — how to say no and not in Korean — is one of the most immediately useful skills you can build as a complete beginner. Think about it: within your very first day of learning Korean, you will want to say things like “I don’t understand,” “It’s not expensive,” or simply “No, thank you.” The great news is that Korean negation is beautifully logical, and once you learn two simple words, you can make almost any sentence negative instantly.
Korean is a language spoken by over 80 million people worldwide, and it has a reputation for being structured and rule-based — which is actually fantastic for learners. Unlike English, where negation can feel scattered and unpredictable (“don’t,” “isn’t,” “can’t,” “won’t”), Korean gives you two clean, reliable negation tools that work across the whole language. You are going to love how satisfying this feels once it clicks.
In this lesson, you will learn both methods of Korean negation from absolute zero — no prior knowledge needed. We will cover the two negation words, show you exactly where to place them in a sentence, compare the structures to English so your brain can map them naturally, and give you real, usable phrases you can start saying today. Let’s begin.
The Two Korean Words for “Not” — Your Negation Foundation
In Korean, there are two core words that carry the meaning of “not.” Every Korean negation sentence is built around one of these two words. The first is 안 (an) [AHN] — “not” (used for simple, everyday negation). The second is 못 (mot) [MOHT] — “cannot / not able to” (used when you are unable to do something). Think of 안 as “I choose not to” and 못 as “I am unable to.” This distinction matters in Korean and English equally — “I don’t eat spicy food” (choice) is very different from “I can’t eat spicy food” (inability). The ㅏ vowel in 안 sounds like the “a” in “father” — open and relaxed. The ㅗ vowel in 못 sounds like a short, clipped “oh,” similar to “moat” without the long vowel trail.
How to Use 안 (an) — The Everyday “Not”
The most common way to negate a sentence in Korean is to place 안 (an) [AHN] — “not” — directly in front of the verb or adjective. This is called the short-form negation, and it is your go-to tool for daily conversation. The formula is simple: Subject + Object + 안 + Verb. Notice that the negation word sits just before the verb, which always comes at the end of the sentence. This is the opposite of English, where “not” comes after the helping verb (e.g., “I do NOT eat”). In Korean, you are essentially saying “I [not] eat” — the 안 hugs the verb from the left. Here are some essential examples using this pattern:
Korean (한글)
Romanization
English Sound [phonetic]
English Meaning
안 먹어요
an meogeoyo
[AHN muh-GUH-yo]
“I don’t eat / I’m not eating”
안 가요
an gayo
[AHN gah-YO]
“I’m not going / I don’t go”
안 해요
an haeyo
[AHN heh-YO]
“I don’t do it / I’m not doing it”
안 좋아요
an joayo
[AHN joh-AH-yo]
“It’s not good / I don’t like it”
안 비싸요
an bissayo
[AHN bee-SAH-yo]
“It’s not expensive”
안 와요
an wayo
[AHN wah-YO]
“(He/She) is not coming”
Notice that the ㄱ consonant in 먹어요 (meogeoyo) is soft — it sounds like the “g” in “get” but even gentler, almost halfway between “g” and “k.” Korean consonants at the start of a syllable are generally softer than their English counterparts. Also notice that Korean does not change the verb ending based on who is speaking — 안 먹어요 can mean “I don’t eat,” “you don’t eat,” or “he doesn’t eat” depending on context. Korean relies on context heavily, just like English does in casual conversation.
How to Use 못 (mot) — “Cannot / Unable To”
When you want to express that you are unable to do something — not just choosing not to — you use 못 (mot) [MOHT] — “cannot.” The placement is identical to 안: it goes directly before the verb. The ㅌ sound at the end of 못 is not fully released when the word stands alone — it sounds like a soft, stopped “t,” similar to how English speakers say “hot” when they cut it short. Here are key examples using 못:
Mastering honorifics in Korean — when and how to use formal speech — is the single most important social skill you will learn on your Korean journey, and the good news is that as a beginner, you only need to know one polite speech level to get started and sound respectful everywhere you go. Korean is unlike English in a beautiful, fascinating way: the language itself changes depending on who you are speaking to. Talking to your boss, a stranger on the subway, or a shopkeeper? You use formal, polite language. Chatting with a close friend the same age? You relax and use casual speech. This built-in respect system is called 존댓말 (jondaemal) [JON-dae-mal] — “formal / polite speech,” and it is the heart of Korean social culture.
If you have ever watched a Korean drama, you have already heard honorifics in action without realising it. Every time a character says 감사합니다 (gamsahamnida) [gam-SA-ham-ni-da] — “Thank you (formal)” — that is formal speech. Every 안녕하세요 (annyeonghaseyo) [ahn-NYUNG-ha-seh-yo] — “Hello” — is polite speech wrapping a simple greeting in warmth and respect. You have been hearing Korean honorifics all along. Now it is time to understand exactly how they work and when to use them.
Do not feel overwhelmed. By the end of this lesson, you will know the two core levels of Korean formal speech, exactly when to switch between them, the key verb endings that signal each level, and enough ready-to-use phrases to speak respectfully from day one. Let’s build your foundation in Korean honorifics right now.
Why Korean Honorifics Exist — The Culture Behind the Grammar
Korean society is deeply rooted in Confucian values, where age, social rank, and relationships determine how people communicate. This is not just etiquette — it is baked into the grammar itself. Korean has several speech levels, but as a beginner, you need to know two: formal polite and informal polite. Think of it like the difference between writing a professional email (formal) versus texting a friendly colleague (informal but still respectful). Both are polite; the tone simply shifts. The key concept to remember: when in doubt in Korea, always go more formal. Koreans will appreciate your effort and never be offended by too much respect — only by too little.
The Two Speech Levels You Need First
The entire system of Korean honorifics for beginners comes down to verb endings — the suffix you attach to the end of a verb changes the politeness level of the whole sentence. Here are the two polite levels you will use constantly:
Level 1 — Formal Polite (합쇼체, hapsyoche): This is the most respectful everyday speech level. It ends in ~ㅂ니다 / ~습니다 (~mnida / ~seumnida) [~m-ni-DA / ~seum-ni-DA]. You hear it in news broadcasts, business meetings, official announcements, and when speaking to someone significantly older or senior to you. Example: 먹습니다 (meokseumnida) [muk-SEUM-ni-da] — “I eat (formal).”
Level 2 — Informal Polite (해요체, haeyoche): This is the level you will use most in daily life — with shopkeepers, strangers, new acquaintances, and anyone you want to be friendly but respectful with. It ends in ~아요 / ~어요 (~ayo / ~eoyo) [~AH-yo / ~UH-yo]. Example: 먹어요 (meogeoyo) [muh-GUH-yo] — “I eat (polite/friendly).” This is your go-to level as a beginner — polite enough for almost every situation, warm enough to make friends.
Essential Formal Korean Phrases — Your Starter Pack
The best way to internalize Korean honorifics is to start with real, usable phrases you can say today. Study this table carefully — notice how formal endings (~ㅂ니다) and polite endings (~아요/어요) appear side by side so you can see exactly how the same meaning shifts in formality:
Korean (한글)
Romanization
English Sound [phonetic]
English Meaning
안녕하세요
annyeonghaseyo
[ahn-NYUNG-ha-seh-yo]
“Hello / How are you?” (informal polite)
안녕하십니까
annyeonghasimnikka
[ahn-NYUNG-ha-shim-ni-kka]
“Hello / How are you?” (formal — news/military)
감사합니다
gamsahamnida
[gam-SA-ham-ni-da]
“Thank you” (formal polite)
감사해요
gamsahaeyo
[gam-SA-hae-yo]
“Thank you” (informal polite)
죄송합니다
joesonghamnida
[jweh-SONG-ham-ni-da]
“I am sorry / I apologise” (formal)
괜찮아요
gwaenchanayo
[gwaen-CHA-na-yo]
“It’s okay / Are you alright?” (polite)
Korean Sentence Structure with Honorifics — SOV Word Order
Here is where Korean grammar gets beautifully logical — and a little surprising for English speakers. In English, we say Subject → Verb → Object (SVO): “I eat rice.” In Korean, the verb always comes last: Subject → Object → Verb (SOV): 저는 밥을 먹어요 (jeoneun babeul meogeoyo) [JUH-neun BAH-beul muh-GUH-yo] — “I (topic) rice (object) eat.” Notice that the polite ending ~어요 is attached to the verb at the end. This is exactly how honorifics work in a full sentence — the politeness lives in that final verb. Change the ending, and the respect level of the entire sentence changes instantly.
🔀 English vs Korean — How Sentences Work Differently
Mastering Korean question words — who, what, where, when, why, how — is one of the single most powerful things you can do as a beginner, because the moment you know these seven words, you can ask about literally anything in Korea. Think about it: every conversation, every street sign, every menu, every interaction you will ever have begins with one of these words. You do not need to know a thousand vocabulary words to start communicating. You just need to know these, and you need to know them well.
If you have never seen Korean before — and that is completely fine — here is one reassuring fact: Korean is written in an alphabet called 한글 (Hangeul) [HAN-gul] — “the Korean alphabet,” and it was scientifically designed to be learned in hours, not years. Every sound in this lesson is one you can reproduce using familiar English comparisons. By the end of this article, you will not just recognize these question words — you will understand how to build real questions using them, from scratch, today.
Korean grammar feels strange at first because the language is structured very differently from English — the verb always goes at the end of a sentence, and tiny word-endings called particles do the job that word order does in English. Do not let that intimidate you. We are going to walk through everything step by step, with clear examples and memory tricks that actually work. Let’s get started.
The 7 Korean Question Words — Your Essential Toolkit
These are the seven Korean question words every beginner must know. Study the pronunciation column carefully — the English phonetic guide shows you exactly how to say each word using sounds you already know from English. Notice that the stressed syllable is written in ALL CAPS.
Korean (한글)
Romanization
English Sound [phonetic]
English Meaning
누구
nugu
[NU-gu]
“Who”
뭐 / 무엇
mwo / mueot
[mwuh] / [MU-uht]
“What”
어디
eodi
[UH-dee]
“Where”
언제
eonje
[UN-jeh]
“When”
왜
wae
[weh]
“Why”
어떻게
eotteoke
[UH-duh-keh]
“How”
얼마나
eolmana
[UL-mah-nah]
“How much / How many”
A few quick pronunciation notes to help these click. 누구 (nugu) [NU-gu] — “who” — rhymes loosely with “voodoo,” but shorter. The ㄴ sound is exactly like the English “n” in “no.” 뭐 (mwo) [mwuh] — “what” — is the everyday casual form, while 무엇 (mueot) [MU-uht] — “what” — is more formal; beginners should start with 뭐. 왜 (wae) [weh] — “why” — is possibly the easiest of all: it sounds almost exactly like the English word “way.” And 어떻게 (eotteoke) [UH-duh-keh] — “how” — is the trickiest; say “uh-duh-keh” quickly and you have it.
💡 Teacher’s Tip
Here is a memory shortcut for the three hardest question words. 어디 (eodi) [UH-dee] — “where” — think of asking “Uh, where did it go?” — the “UH-dee” sound is already in the way you’d say that in English. 언제 (eonje) [UN-jeh] — “when” — imagine an uncle named “Jeh” who is always late: “UN-jeh, when are you arriving?” And 어떻게 (eotteoke) [UH-duh-keh] — “how” — just say “uh-duh-keh” three times fast and it becomes natural within a day. Stick these mini-stories in your head and you will never forget them.
How Korean Sentence Structure Works — The Most Important Grammar Rule
Before we build real questions using Korean question words, you need to understand one fundamental rule: Korean word order is completely different from English. In English, we follow Subject → Verb → Object order (SVO). In Korean, the order is Subject → Object → Verb (SOV). That means the verb always comes last. Always. This is not optional — it is the foundation of every Korean sentence you will ever say.
🔀 English vs Korean — How Sentences Work Differently
Learning how to use 아/어요 endings in Korean — polite speech guide included — is genuinely one of the most powerful first steps you can take as a beginner. Here is why: a single ending, added to the base of almost any Korean verb, instantly transforms your words into natural, respectful speech that any Korean speaker will understand and appreciate. You do not need years of study to sound polite in Korean. You just need this one pattern — and after reading this guide, you will have it.
Korean is built very differently from English. In English, politeness often comes from adding words like “please” or “would you.” In Korean, politeness is built directly into the verb ending itself. The 아요/어요 (ayo/eoyo) ending is called the polite informal style — it is warm, respectful, and used in the vast majority of everyday conversations: at coffee shops, with coworkers, with people you have just met. Think of it as your Korean “social default.”
Do not worry if Korean looks completely foreign to you right now. Every single Korean word in this guide comes with its pronunciation written in English letters, a phonetic guide showing you exactly how to say it, and a clear English translation. By the end of this article, you will be forming real polite Korean sentences from scratch. Let’s go.
What Is the 아요/어요 Ending — And Why Does It Matter?
Every Korean verb has a dictionary form that ends in 다 (da) [dah] — “the base/infinitive marker.” Think of 다 like the English “to” in “to eat” or “to go.” You never say 다 in conversation — it is just the dictionary label. To actually speak, you drop 다 and add a new ending. The most important ending for beginners is 아요 (ayo) [ah-YO] or 어요 (eoyo) [UH-yo], depending on the verb’s vowel. Together, this polite speech pattern covers nearly every daily situation you will encounter as a Korean learner.
Here is the beautiful part: once you know this one ending, you can make polite sentences with hundreds of Korean verbs immediately. The pattern is consistent, logical, and — once you see the vowel rule — surprisingly easy to apply.
The Vowel Harmony Rule — 아요 vs 어요
Korean has a concept called vowel harmony. Do not let that sound intimidating — it simply means that the ending you attach depends on the last vowel in the verb stem. There are only two options to remember:
Rule 1 — Bright vowels (ㅏ or ㅗ): If the verb stem’s last vowel is ㅏ (a) [ah] or ㅗ (o) [oh], you add 아요 (ayo) [ah-YO]. These are called “bright” or “positive” vowels in Korean — they have an open, forward sound, just like the English vowel in “father” or “go.”
Rule 2 — All other vowels: If the verb stem ends in any other vowel (ㅓ, ㅜ, ㅣ, ㅡ, and others), you add 어요 (eoyo) [UH-yo]. The ㅓ sound is like the “u” in “but” — a relaxed, neutral mouth position. When you see any vowel that is not ㅏ or ㅗ, just go with 어요 and you will almost always be right.
💡 Teacher’s Tip
Think of it this way: ㅏ and ㅗ are “sunny” vowels — bright, open, round. Anything else is “cloudy.” Sunny stems get 아요, cloudy stems get 어요. My students who use this “sunny vs cloudy” trick almost never get it wrong after the first day. Try it — it sticks immediately.
Step-by-Step: How to Build a Polite 아요/어요 Sentence
Let’s walk through the process together using three common Korean verbs. For each verb, you will see the dictionary form, how to strip the 다, identify the vowel, and attach the correct polite ending.
If you’ve ever wanted to speak real Korean sentences, mastering Korean verb conjugation for beginners — present, past, future is the single most important skill you can learn first. Unlike English, where verbs change unpredictably (“go → went → gone”), Korean verb conjugation follows a beautifully consistent system — once you learn the pattern, it works for almost every verb you’ll ever use. That means less memorization and more actual speaking, starting today.
Here’s the exciting part: every Korean verb in its dictionary form ends in 다 (da) [dah] — “the dictionary ending.” You take that 다 off, look at the vowel of the last syllable in the verb stem, and add the correct ending. That’s it. Present, past, and future tenses all follow this same logic. By the end of this lesson, you’ll be conjugating Korean verbs in all three tenses — even if you’ve never seen a Korean letter before in your life.
Don’t worry if this sounds technical right now — every step below is broken down slowly, with real examples, phonetic pronunciations written in plain English, and memory tricks that thousands of my students have used to make Korean verb conjugation click instantly. Let’s build your Korean together, one tense at a time.
Step 1 — Understanding the Korean Verb Stem
Every Korean verb starts in its “dictionary form,” which always ends in 다 (da) [dah] — “dictionary ending.” Think of this like the English infinitive “to ___.” Your very first job in Korean verb conjugation is to remove that 다 to reveal the verb stem — the root you’ll attach all tense endings to. For example, the verb 먹다 (meokda) [MUCK-dah] — “to eat” becomes the stem 먹 (meok) [muck]. The verb 가다 (gada) [GAH-dah] — “to go” becomes the stem 가 (ga) [gah]. Simple removal — that’s your foundation for everything that follows in Korean conjugation.
💡 Teacher’s Tip
Think of 다 as a “cap” sitting on top of every verb. To conjugate, you simply lift the cap off and replace it with a new ending that tells people when the action happens. Once you see every Korean verb as “stem + ending,” conjugation stops feeling like memorization and starts feeling like a simple swap.
Step 2 — The Korean Present Tense
The Korean present tense is used for things happening right now or things you do habitually — just like English “I eat” or “I am eating.” Korean doesn’t separate these two ideas; one form covers both. To conjugate in the present tense, you check the last vowel of the verb stem. If it’s 아 (a) [ah] or 오 (o) [oh] — considered “bright” vowels — you add 아요 (ayo) [AH-yo]. For all other vowels — the “dark” vowels — you add 어요 (eoyo) [UH-yo]. This rule is called vowel harmony, and it makes Korean sound naturally musical. Let’s see it in action with five essential verbs every beginner must know.
Dictionary Form (한글)
Stem
Present Tense (한글)
English Sound [phonetic]
English Meaning
가다 (gada)
가 (ga)
가요 (gayo)
[GAH-yo]
“(I/you/they) go / am going”
먹다 (meokda)
먹 (meok)
먹어요 (meogeoyo)
[MUH-guh-yo]
“(I/you/they) eat / am eating”
마시다 (masida)
마시 (masi)
마셔요 (masyeoyo)
[mah-SHUH-yo]
“(I/you/they) drink / am drinking”
보다 (boda)
보 (bo)
봐요 (bwayo)
[BWAH-yo]
“(I/you/they) see / am seeing”
하다 (hada)
하 (ha)
해요 (haeyo)
[HEH-yo]
“(I/you/they) do / am doing”
Step 3 — The Korean Past Tense
Here’s where Korean really impresses beginners — the past tense is almost identical to the present tense in structure. You follow the same vowel harmony rule, but instead of ending with 아요/어요, you insert 았/었 before the 어요. Bright vowel stems get 았어요 (asseoyo) [AH-ssuh-yo] — “did / was doing.” Dark vowel stems get 었어요 (eosseoyo) [UH-ssuh-yo] — “did / was doing.” The special verb 하다 (hada) [HAH-dah] — “to do” always becomes 했어요 (haesseoyo) [HEH-ssuh-yo] — “did.” Notice the pattern: present tense + 았/었 = past tense. You’re not learning a new system — you’re just adding one block to what you already know.
If you’ve ever tried to study Korean, Korean Particles 은/는 vs 이/가 — The Complete Beginner’s Guide is exactly the lesson you’ve been searching for — because these four tiny characters are, without question, the most confusing and most important pieces of Korean grammar you will ever learn. Korean particles are small syllables that attach directly to nouns, and they tell you the job that noun is doing in the sentence. Think of them the way English uses word order to signal meaning: in English, “The dog bit the man” means something very different from “The man bit the dog.” Korean doesn’t rely on word order for that — it relies on particles. And 은/는 (eun/neun) and 이/가 (i/ga) are the two most essential particle pairs you need to master first.
Here’s the good news: once you understand what each particle is actually doing, everything else in Korean grammar starts to fall into place. Thousands of my students have had that “aha” moment mid-lesson — and you will too. Let’s start from the very beginning, with zero assumptions about what you already know. By the end of this guide, you’ll be building real Korean sentences with the correct particles attached, and you’ll know exactly why you’re choosing one over the other.
Before we dive in, a quick note on how this guide works. Every Korean word you see will be written in Hangul (the Korean alphabet), followed by its romanization in parentheses, an English phonetic guide in brackets showing you exactly how to pronounce it using familiar English sounds, and its English meaning in quotes. Like this: 안녕하세요 (annyeonghaseyo) [ahn-NYUNG-ha-seh-yo] — “Hello.” Simple, clear, and consistent every single time. Let’s go.
What Is a Korean Particle? (Start Here)
In English, you signal a noun’s role through word order or prepositions like “to,” “from,” or “by.” Korean works differently — it uses particles, which are small grammatical syllables glued directly onto the end of a noun. Every major noun in a Korean sentence gets a particle attached to it. These particles are non-negotiable — skip them, and your Korean will sound like a tourist reading a phrasebook. Use them correctly, and you’ll sound like someone who actually understands the language. The two particle pairs we’re covering today — 은/는 (eun/neun) [eun/nun] — “topic marker” and 이/가 (i/ga) [ee/ga] — “subject marker” — are the foundation of nearly every Korean sentence you will ever speak or write.
은/는 — The Topic Marker (What We’re Talking About)
The particle 은 (eun) [eun] — used after a consonant — and 는 (neun) [nun] — used after a vowel — are called the topic markers. When you attach 은/는 to a noun, you are signaling to the listener: “This is what we’re talking about right now. This is the topic of our conversation.” Think of it like this: in English, when you say “As for me, I love Korean food,” the phrase “as for me” is doing what 은/는 does in Korean. It lifts a subject out of the sentence and puts a spotlight on it. Let’s look at a real example. The word for “I” in Korean is 나 (na) [nah] — “I / me.” Because 나 ends in a vowel sound, we attach 는 (neun) [nun] to get 나는 (na-neun) [nah-nun] — “As for me / I (topic).” Say it out loud: nah-nun. Short and crisp. That’s your sentence starter.
Here’s the simple rule for choosing between 은 and 는. Does the noun end in a consonant? Use 은 (eun) [eun]. Does it end in a vowel? Use 는 (neun) [nun]. For example, 학생 (haksaeng) [HAHK-sang] — “student” — ends in the consonant ㅇ (ng), so it becomes 학생은 (haksaeng-eun) [HAHK-sang-eun] — “as for the student.” And 나라 (nara) [nah-RAH] — “country” — ends in the vowel ㅏ (a), so it becomes 나라는 (nara-neun) [nah-RAH-nun] — “as for the country.” The consonant/vowel rule applies to all Korean particles, so learning it now will save you hundreds of hours later.
이/가 — The Subject Marker (Who’s Doing the Action)
Now for the subject markers: 이 (i) [ee] — used after a consonant — and 가 (ga) [gah] — used after a vowel. While 은/는 says “this is the topic,” 이/가 says “this is the one performing the action.” It’s the grammatical subject — the doer. In a sentence like “The cat is sleeping,” “the cat” is the subject. In Korean, you would mark it with 이 or 가. For example: 고양이 (goyangi) [go-YANG-ee] — “cat” — ends in a vowel, so it takes 가 (ga) [gah], giving you 고양이가 (goyangi-ga) [go-YANG-ee-gah] — “the cat (as subject / the one doing something).” And 학생 (haksaeng) [HAHK-sang] — “student” — ends in a consonant, so it takes 이 (i) [ee], giving you 학생이 (haksaeng-i) [HAHK-sang-ee] — “the student (as subject).”
Korean (한글)
Romanization
English Sound [phonetic]
English Meaning
나는
na-neun
[NAH-nun]
“I / As for me” (topic marker after vowel)
학생은
haksaeng-eun
[HAHK-sang-eun]
“As for the student” (topic marker after consonant)
고양이가
goyangi-ga
[go-YANG-ee-gah]
“The cat” (subject marker after vowel)
학생이
haksaeng-i
[HAHK-sang-ee]
“The student” (subject marker after consonant)
저는
jeo-neun
[JUH-nun]
“I / As for me” — formal (topic marker after vowel)
친구가
chingu-ga
[CHIN-goo-gah]
“The friend” (subject marker after vowel)
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