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The Essentials: Identity and the Present Moment
Present Tense: The Polite 'Yo' Style (아/어/여요)

1 Identifying the Verb Stem (어간) 2 The Korean Copula: Am, Is, Are (이다) 3 Being & Having (있다/없다) 4 Polite Ending: The Magic 'Yo' (-ayo/eoyo) 5 Present Tense: The Polite 'Yo' Style (아/어/여요)

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A1 Verb Basics 18 min read Easy

Present Tense: The Polite 'Yo' Style (아/어/여요)

The 아/어/여요 form is your essential 'polite sticker' for making verbs conversational and respectful in daily life.

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Grammar Rule in 30 Seconds

The 'Yo' style is your go-to polite ending for daily conversations, formed by adding -요 to the verb stem.

If the last vowel is ㅏ or ㅗ, add -아요 (e.g., 가다 -> 가요).
If the last vowel is not ㅏ or ㅗ, add -어요 (e.g., 먹다 -> 먹어요).
If the verb ends in 하다, it becomes 해요 (e.g., 공부하다 -> 공부해요).

Verb Stem + (아/어/여) + 요 = Polite Sentence

Overview

Korean verbal conjugation might initially seem complex due to its multiple politeness levels and shifting endings. However, the Present Tense: Polite 'Yo' Style (아/어/여요, pronounced a/eo/yeoyo), also known as the Informal Polite Style or 해체요 (haech-eyo), serves as the foundational and most widely applicable form for A1 learners. This grammatical structure allows you to express actions or states happening now, habitually, or in the near future, while maintaining a universally appropriate level of politeness.

It is neither overly formal, which can sound stiff in everyday interactions, nor overly casual, which can be perceived as rude. Mastering this form is crucial as it unlocks the ability to construct functional, respectful sentences in almost any daily Korean conversation.

Conjugation Table

Stem's Last Vowel	Conjugation Rule	Example Verb (Dictionary Form)	Stem	Conjugated (`해체요`)	Romanization	Meaning
:----------------	:--------------------------------------------------------	:-----------------------------	:------	:------------------	:-------------	:-----------------
ㅏ or ㅗ	+ `아요` (`ayo`) (often contracts with stem's vowel)	`가다` (to go)	`가`	`가요`	`gayo`	go/going
		`오다` (to come)	`오`	`와요`	`wayo`	come/coming
		`보다` (to see/watch)	`보`	`봐요`	`bwayo`	see/seeing/watch
Other Vowels	+ `어요` (`eoyo`) (often contracts with stem's vowel)	`먹다` (to eat)	`먹`	`먹어요`	`meogeoyo`	eat/eating
(`ㅓ`, `ㅜ`, `ㅡ`, `ㅣ`, etc.)		`읽다` (to read)	`읽`	`읽어요`	`ilgeoyo`	read/reading
		`마시다` (to drink)	`마시`	`마셔요`	`masyeoyo`	drink/drinking
		`배우다` (to learn)	`배우`	`배워요`	`bae-weoyo`	learn/learning
		`서다` (to stand)	`서`	`서요`	`seoyo`	stand/standing
`하다` verbs	+ `여요` (`yeoyo`) which always contracts to `해요` (`haeyo`)	`공부하다` (to study)	`공부하`	`공부해요`	`gongbuhaeyo`	study/studying
		`말하다` (to speak)	`말하`	`말해요`	`malhaeyo`	speak/speaking

How This Grammar Works

The 아/어/여요 ending functions as the standard present tense for both action verbs and descriptive verbs (adjectives) in Korean. It conveys that an action is currently happening, happens regularly (habitual), or is scheduled to happen in the near future. Unlike English, where verb forms change based on the grammatical subject (e.g., "I eat" vs.

"he eats"), Korean verb conjugation is primarily determined by the politeness level required for the listener and the vowel structure of the verb stem. The final 요 particle is the explicit marker of the informal polite style, signifying respect without excessive formality.

This form intrinsically embeds both "simple present" and "present continuous" meanings. For instance, 먹어요 (meogeoyo) can mean both "I eat" (habitually) and "I am eating" (right now), depending on context. This dual function simplifies initial learning but requires careful attention to context for precise interpretation.

The underlying principle of vowel harmony dictates the choice between 아요 and 어요: bright vowels (ㅏ, ㅗ) attract 아, while dark/neutral vowels (ㅓ, ㅜ, ㅡ, ㅣ) attract 어. This natural linguistic tendency makes the conjugated form flow more smoothly phonetically, reflecting the Korean language's emphasis on euphony and efficiency in spoken communication.

지금 뭐 해요? (jigeum mwo haeyo? - What are you doing now?) is a common question utilizing this form. The response, 커피 마셔요. (keopi masyeoyo. - I am drinking coffee.) or 공부해요. (gongbuhaeyo. - I am studying.), seamlessly expresses ongoing action. Similarly, to state a habit, 저는 아침에 커피를 마셔요. (jeoneun achime keopireul masyeoyo. - I drink coffee in the morning.) uses the identical structure.

Formation Pattern

Conjugating a verb or adjective to the 아/어/여요 form follows a consistent, four-step process centered around the verb stem and vowel harmony. Understanding these steps allows you to accurately conjugate almost any regular verb or adjective.

Step 1: Identify the Verb Stem (어간)

Every Korean verb and adjective in its dictionary form ends in 다 (da). To find the stem, simply remove this 다. For example:

가다 (to go) → 가

먹다 (to eat) → 먹

보다 (to see) → 보

공부하다 (to study) → 공부하

Step 2: Examine the Last Vowel of the Stem

This is the critical step for applying vowel harmony. Determine if the final vowel of your stem is a 'bright' vowel (ㅏ or ㅗ) or a 'dark/neutral' vowel (any other vowel like ㅓ, ㅜ, ㅡ, ㅣ, ㅐ, ㅔ, ㅚ, etc.).

가 (last vowel ㅏ) - Bright

먹 (last vowel ㅓ) - Dark

보 (last vowel ㅗ) - Bright

공부하 (last vowel ㅏ) - Bright

Step 3: Apply the Appropriate Base Ending (아/어/여)

If the stem's last vowel is ㅏ or ㅗ, add 아 (a).

If the stem's last vowel is any other vowel (ㅓ, ㅜ, ㅡ, ㅣ, etc.), or if the stem ends in a consonant, add 어 (eo).

If the stem ends in 하다 (hada), it is a special case: 하다 always transforms into 하여 (hayeo), which then contracts to 해 (hae).

Step 4: Attach the Politeness Marker 요 and Handle Contractions

Finally, add 요 (yo) to the end. Korean often contracts vowel sounds when they meet, promoting a smoother, more natural pronunciation. This is not arbitrary; it's a fundamental aspect of spoken Korean.

Specific Contraction Rules:

Stem ends in ㅏ + 아: The 아 merges with the stem's ㅏ. No change in sound, simply write the stem as is.

가 + 아요 → 가요 (gayo)

자다 (to sleep) → 자 + 아요 → 자요 (jayo)

Stem ends in ㅗ + 아: The ㅗ and 아 combine to form 와 (wa).

오 + 아요 → 와요 (wayo)

보다 (to see) → 보 + 아요 → 봐요 (bwayo)

Stem ends in ㅜ + 어: The ㅜ and 어 combine to form 워 (weo).

배우다 (to learn) → 배우 + 어요 → 배워요 (bae-weoyo)

주다 (to give) → 주 + 어요 → 줘요 (jweoyo)

Stem ends in ㅣ + 어: The ㅣ and 어 combine to form ㅕ (yeo).

마시다 (to drink) → 마시 + 어요 → 마셔요 (masyeoyo)

기다리다 (to wait) → 기다리 + 어요 → 기다려요 (gidaryeoyo)

Stem ends in ㅡ + 어: The ㅡ drops out and 어 attaches.

쓰다 (to write/use) → 쓰 + 어요 → 써요 (sseoyo)

크다 (to be big) → 크 + 어요 → 커요 (keoyo)

Stem ends in 어 or 여 (from 하다) + 어: The 어 merges. No change.

서다 (to stand) → 서 + 어요 → 서요 (seoyo)

하다 (to do) → 하 + 여요 → 해요 (haeyo)

Stem ends in a consonant (받침, batchim): The 아/어 attaches directly after the consonant. No contraction.

먹다 (to eat) → 먹 + 어요 → 먹어요 (meogeoyo)

읽다 (to read) → 읽 + 어요 → 읽어요 (ilgeoyo)

앉다 (to sit) → 앉 + 아요 → 앉아요 (anjayo) - Note: 앉 has ㅏ as its last visible vowel

Understanding these contractions is key to sounding natural. While grammatically 보아요 is understandable, 봐요 is the form used by native speakers.

When To Use It

The 아/어/여요 form is the most versatile and safest politeness level for an A1 learner. It is the default choice for general communication, acting as a polite neutral ground suitable for a vast array of social situations. Its primary function is to show respect to your interlocutor without implying an overly formal relationship or creating social distance.

With Strangers and Acquaintances: When meeting new people, asking for directions, ordering food, or interacting with service staff, 아/어/여요 is always appropriate. For example, 이거 얼마예요? (igeo eolmayeyo? - How much is this?) or 여기 앉아요. (yeogi anjayo. - Please sit here.).
With Older Individuals: While not the highest level of formality, it is generally accepted when speaking with elders, teachers, or superiors you do not know well, as long as the context is informal or conversational. It's a respectful default until you are explicitly invited to speak more casually or observe others using a more formal style.
In Public and Professional Settings: This form is suitable for most general conversations at work, school, or in public spaces. It demonstrates professionalism and good manners. For instance, in a casual meeting, you might say 제가 발표해요. (jega balpyohaeyo. - I will present.)
Texting and Online Communication: In digital communication with people you aren't intimately close with, 아/어/여요 maintains politeness. Many Korean chat apps see frequent use of this style, often with the 요 dropped for slightly more casual (but still polite) messages if the relationship deepens. For example, 네, 알겠어요! (ne, algesseoyo! - Yes, I understand!).
Expressing Daily Activities and Habits: To describe what you do regularly or what you are currently doing, this form is ideal. 저는 매일 한국어를 공부해요. (jeoneun mae-il hangugeoreul gongbuhaeyo. - I study Korean every day.)

Culturally, using 아/어/여요 is a gesture of consideration. It acknowledges the social hierarchy inherent in Korean interactions without rigidly adhering to the strictest linguistic boundaries, making it the most practical starting point for any learner.

When Not To Use It

While highly versatile, there are specific contexts where the 아/어/여요 form is either inappropriate or signals an unintended meaning. Understanding these limitations is as important as knowing when to use it, to navigate Korean social dynamics effectively.

With Very Close Friends, Family, or Inferiors (Exclusively): Using 아/어/여요 with individuals you have an intimate relationship with (e.g., best friends, younger siblings, children, or sometimes close romantic partners) can create an awkward distance. In these relationships, 반말 (banmal), the casual 아/어/여 form (without 요), is typically used. Continuously using 요 with someone you are very close to might make them feel you are being reserved, unfriendly, or not truly accepting them into your inner circle. For example, saying 밥 먹어요? (bap meogeoyo? - Are you eating?) to a close friend when 밥 먹어? (bap meogeo?) would be expected, sounds stiff.
In Highly Formal or Official Settings: For speeches, news broadcasts, formal presentations, military contexts, or highly respectful address to very senior individuals (e.g., government officials), the Formal High style -(스)ㅂ니다 (-seumnida) is required. Using 아/어/여요 in these situations would be perceived as insufficiently respectful or even disrespectful. For instance, in a formal company announcement, 발표합니다. (balpyohamnida. - I will announce.) is correct, not 발표해요. (balpyohaeyo. - I announce.).
When Writing Formal Documents: For official reports, academic papers, or formal business letters, the -(스)ㅂ니다 form or a formal, non-conjugating style is preferred. The 아/어/여요 form is too conversational for such written contexts.
When Addressing Oneself in Certain Contexts: While it's common to use 아/어/여요 when talking to yourself in a reflective way, you wouldn't use it in a formal introduction or self-deprecating manner where other forms might be more appropriate. For example, 저는 학생이에요. (jeoneun haksaeng-ieyo. - I am a student.) is for speaking to others, whereas when thinking to yourself or writing a diary, a simpler, less polite form might be used implicitly.

The key distinction lies in the relationship and context. As an A1 learner, sticking to 아/어/여요 is generally safe, but recognizing these boundaries is essential for future fluency and cultural understanding.

Common Mistakes

Beginners often encounter specific pitfalls when learning the 아/어/여요 form. Recognizing these common errors and understanding their underlying causes can significantly accelerate your progress and improve naturalness.

Incorrect Vowel Harmony Application: This is perhaps the most frequent error. Learners sometimes randomly choose 아요 or 어요, or misidentify bright and dark vowels, leading to incorrect conjugations like 먹아요 (meogayo) instead of 먹어요 (meogeoyo) for 먹다. This mistake stems from a lack of internalization of the vowel harmony rule (ㅏ/ㅗ + 아; others + 어) and the tendency to apply English-like consistent rules rather than Korean's phonetic sensitivity. For example, 만들다 (to make) correctly conjugates to 만들어요 (mandeureoyo), not 만들아요 (mandeulayo), because ㅡ is a dark vowel.

Incorrect

Correct

✗Forgetting Vowel Contractions: Many learners initially struggle with contractions and might produce forms like 보아요 (boayo) instead of 봐요 (bwayo) for 보다 (to see) or 마시어요 (masieoyo) instead of 마셔요 (masyeoyo) for 마시다 (to drink). While these are technically understandable, they sound unnatural and overly formal to native speakers. This error often arises from a desire to be 'grammatically correct' by not altering the base forms, but it overlooks the natural phonetic simplifications that occur in spoken Korean. Remember, contractions like `ㅗ + 아

✓와 and ㅣ + 어 → ㅕ` are standard and expected.

Misapplying the 하다 Rule: Assuming all verbs ending in 다 follow the 하다 pattern is incorrect. Only verbs where the stem itself ends in 하 (like 공부하다, 사랑하다, 말하다) transform into 해요. Other verbs simply follow the 아/어 rule. For example, 좋아하다 (to like) becomes 좋아해요 (joahaeyo), but 읽다 (to read) becomes 읽어요 (ilgeoyo), not 읽해요 (ilghaeyo). This error can stem from overgeneralizing the highly common 하다 conjugation.

Using the Dictionary Form in Conversation: A fundamental mistake for beginners is attempting to use the dictionary 다 form (가다, 먹다) in actual conversation. This is equivalent to speaking in infinitive verbs in English (e.g., "To go home," "To eat food" in response to a question). The 다 form is for dictionary entries or very specific literary contexts, not for daily interaction. You must conjugate verbs to communicate effectively and politely.

Prematurely Dropping 요: While dropping 요 creates 반말 (casual speech), doing so without an established close relationship or permission can be perceived as rude or disrespectful. Learners sometimes drop 요 prematurely, thinking it's just a formality, without grasping its crucial role in Korean politeness. Always err on the side of politeness by including 요 until you are certain 반말 is appropriate.

Memory Trick

To internalize the 아/어/여요 conjugation rules, especially vowel harmony and contractions, consider these memory aids:

- The "Sunny vs. Shadowy" Vowel Harmony: Visualize the bright vowels ㅏ and ㅗ as being "sunny" vowels. They prefer the bright-sounding 아 (a) ending. Conversely, all other vowels (ㅓ, ㅜ, ㅡ, ㅣ, etc.) are "shadowy" or "darker" vowels; they prefer the dark-sounding 어 (eo) ending. This visual and auditory association helps recall the correct base ending. For instance, 오 (ㅗ, sunny) → 와요, 먹 (ㅓ, shadowy) → 먹어요.

- Contractions for "Laziness" (Efficiency): Think of the contractions as the Korean language's way of being efficient or "lazy" in pronunciation. When two vowels meet and can blend smoothly, they do. ㅗ and 아 blend to 와 because w naturally connects o and a. ㅣ and 어 blend to ㅕ because y naturally connects i and eo. It's phonetically easier and quicker to say 봐요 (bwayo) than 보아요 (boayo). By associating contractions with natural speech flow and efficiency, you can remember that they are the expected, not exceptional, outcome.

- The "Hada is Special" Rule: The verb 하다 (hada) and all compound verbs ending in 하다 are fundamentally different due to their historical linguistic roots (originally 하 + 이 + 어 + 요). Simply memorize that 하다 always becomes 해요 (haeyo). This is a high-frequency verb, so constant exposure will solidify it. Treat it as its own mini-category: "If it ends in 하다, it becomes 해요."

- The "Politeness Hat" (요): Imagine 요 (yo) as a polite hat you put on the end of a sentence. It immediately elevates your speech to an acceptable level for almost anyone. If you take the hat off, you're speaking 반말, which is fine with very close friends, but otherwise, keep the hat on! This simple visualization reinforces the function of 요 as a politeness marker.

Real Conversations

The 아/어/여요 form is the backbone of daily Korean conversation. It allows you to express your thoughts, ask questions, and engage politely in a wide range of scenarios.

Example 1

Asking and Answering About Activities

A: 민수 씨, 지금 뭐 해요? (Minsu ssi, jigeum mwo haeyo?)

(Minsu, what are you doing now?)

B: 저는 지금 책을 읽어요. (Jeoneun jigeum chaegeul ilgeoyo.)

(I am reading a book now.)

Analysis

* Both 해요 and 읽어요 are in the informal polite present tense. 지금 (jigeum, now) clarifies the ongoing nature of the action.

Example 2

Discussing Habits or Regular Actions

A: 매일 운동해요? (Mae-il undonghaeyo?)

(Do you exercise every day?)

B: 아니요, 저는 주말에만 운동해요. (Aniyo, jeoneun jumareman undonghaeyo.)

(No, I only exercise on weekends.)

Analysis

* 운동해요 (undonghaeyo, to exercise) implies a habitual action. The context (매일, mae-il - every day; 주말에만, jumareman - only on weekends) differentiates between habitual and immediate actions.

Example 3

Expressing States or Characteristics (Descriptive Verbs)

A: 이 가방 비싸요? (I gabang bissayo?)

(Is this bag expensive?)

B: 네, 좀 비싸요. 하지만 예뻐요. (Ne, jom bissayo. Hajiman yeppeoyo.)

(Yes, it's a bit expensive. But it's pretty.)

Analysis

* 비싸다 (to be expensive) becomes 비싸요 (bissayo), and 예쁘다 (to be pretty) becomes 예뻐요 (yeppeoyo). Descriptive verbs follow the same 아/어/여요 conjugation rules to express present states. This demonstrates the versatility of this form for both actions and descriptions.

Example 4

Making a Suggestion or Request

우리 같이 영화 봐요. (Uri gachi yeonghwa bwayo.)

(Let's watch a movie together.)

Analysis

* While primarily a declarative present tense, 봐요 can be used to make gentle suggestions or proposals in a polite context, especially when addressing peers or slightly older individuals. This shows its practical application beyond simple statements.

Contrast With Similar Patterns

Understanding 아/어/여요 is enhanced by comparing it with other politeness levels and similar grammatical structures, clarifying its specific role in Korean communication.

vs. -(스)ㅂ니다 (-seumnida) (Formal High Style / 합쇼체, hapshoche)
Usage: This is the most formal and respectful speech level. It is used in highly official settings, news reports, military contexts, formal presentations, public announcements, and when addressing a significantly older person or superior in a very formal capacity. It projects authority and gravitas.
Conjugation: Add 습니다 (seumnida) to verb stems ending in a consonant, and ㅂ니다 (mnida) to verb stems ending in a vowel. For 하다 verbs, it becomes 합니다 (hamnida).
Example: 저는 한국에 갑니다. (jeoneun hanguge gamnida. - I go to Korea.) (Formal) vs. 저는 한국에 가요. (jeoneun hanguge gayo. - I go to Korea.) (Informal Polite)
Key Difference: -(스)ㅂ니다 is less common in daily conversational Korean for A1 learners due to its stiffness. Using 아/어/여요 in place of -(스)ㅂ니다 in highly formal settings would be considered disrespectful, whereas -(스)ㅂ니다 used in casual settings can sound overly rigid or even sarcastic.

vs. -아/어/여 (-a/eo/yeo) (Casual Low Style / 반말, banmal)
Usage: This is the intimate, casual speech level, used exclusively with very close friends, family members younger than you, children, or sometimes close romantic partners. It signifies closeness and a lack of formality.
Conjugation: It is identical to the 아/어/여요 form, but simply removes the 요 politeness particle. So, 가요 becomes 가 (ga), 먹어요 becomes 먹어 (meogeo), 해요 becomes 해 (hae).
Example: 밥 먹어? (bap meogeo? - Are you eating?) (Casual) vs. 밥 먹어요? (bap meogeoyo? - Are you eating?) (Informal Polite)
Key Difference: The presence or absence of 요 is a critical social marker. Using 반말 without explicit permission or an established close relationship is considered extremely rude in Korean culture. As an A1 learner, never use 반말 unless specifically instructed by a close native speaker friend.

vs. -고 있어요 (-go isseoyo) (Present Progressive)
Usage: While 아/어/여요 can express both habitual and ongoing actions, -고 있어요 specifically emphasizes an action that is happening right now and is actively in progress. It's often used when you want to make a clear distinction or highlight the continuous nature.
Conjugation: Attach -고 있어요 directly to the verb stem.
Example: 저는 공부해요. (jeoneun gongbuhaeyo. - I study / I am studying.) (General present) vs. 저는 지금 공부하고 있어요. (jeoneun jigeum gongbuhago isseoyo. - I am studying right now.) (Present progressive)
Key Difference: 아/어/여요 is more general, covering both habitual and immediate, whereas -고 있어요 provides a stronger emphasis on the action's present continuous nature. For an A1 learner, 아/어/여요 is sufficient for most present tense contexts, but recognizing -고 있어요 is helpful.

Progressive Practice

Consistent practice is essential for mastering the 아/어/여요 conjugation. Start with the basics and gradually challenge yourself with more complex verbs.

Phase 1: Basic Stem Application

Take a list of common A1 verbs and adjectives in their dictionary form (다 form). For each, follow the four steps outlined in the "Formation Pattern" section:

Remove 다 to find the stem.

Identify the last vowel of the stem.

Determine whether to add 아요, 어요, or transform 하다 to 해요.

Apply contractions if applicable, then add 요.

Self-check Examples: 읽다 (to read) → 읽어요. 만나다 (to meet) → 만나요. 재미있다 (to be fun) → 재미있어요.

Phase 2: Sentence Construction

Once you are comfortable with individual conjugations, begin forming simple sentences. Focus on conveying habitual actions, current actions, and descriptive states.

- Describe your daily routine: 저는 아침에 커피를 마셔요. (jeoneun achime keopireul masyeoyo. - I drink coffee in the morning.)

- Talk about what you are doing now: 지금 한국 드라마를 봐요. (jigeum hanguk deuramareul bwayo. - I am watching a Korean drama now.)

- Describe something: 이 옷이 너무 예뻐요. (i osi neomu yeppeoyo. - These clothes are very pretty.)

Phase 3: Conversational Integration

Engage in simulated conversations. Respond to questions and ask your own using the 아/어/여요 form. Practice with a language partner or tutor, focusing on natural speed and pronunciation, especially the contractions.

Scenario Example: Imagine you're at a cafe. How would you order a drink, ask about the price, or say that you like the coffee?

저는 라떼 한 잔 주세요. (jeoneun latte han jan juseyo. - I'll have one latte, please.) (A common polite request using 주다 → 주세요 - a more polite imperative, but related to the present tense form).

커피 맛있어요. (keopi masisseoyo. - The coffee is delicious.)

얼마예요? (eolmayeyo? - How much is it?)

This progressive approach from isolated conjugations to full conversational use will solidify your understanding and fluency.

Quick FAQ

Q: What if the verb stem ends in ㅡ? Does it follow 아 or 어?

If the vowel before ㅡ is ㅏ or ㅗ, you would usually attach 아요 and the ㅡ would disappear (e.g. 바쁘다 (to be busy) → 바빠요). However, for A1, you will most commonly encounter ㅡ stems where the preceding vowel is not ㅏ or ㅗ, or there is no preceding vowel, and in those cases, 어 is attached and the ㅡ drops out (e.g. 쓰다 (to write/use) → 써요 (sseoyo), 크다 (to be big) → 커요 (keoyo)). This is due to a more complex vowel deletion rule, but for A1, memorize the common examples. The core rule of looking at the last vowel applies, and for ㅡ, it often interacts to produce the 어 ending.

Q: Do adjectives also use this 아/어/여요 ending?

Yes, Korean adjectives (descriptive verbs) conjugate almost identically to action verbs in the 아/어/여요 form. For example, 크다 (to be big) becomes 커요 (keoyo), 좋다 (to be good) becomes 좋아요 (joayo), and 예쁘다 (to be pretty) becomes 예뻐요 (yeppeoyo). The rules for vowel harmony and contractions are the same.

Q: Can I just add 요 to any word to make it polite?

No, 요 is specifically a verb/adjective ending. You cannot attach it to nouns or particles to make them polite. For example, you cannot say 친구요 (chinguyo) to mean "friend (polite)" directly. Politeness for nouns often involves particles like 이/가, 은/는, honorific nouns, or the polite copula 이에요/예요 (ieyo/yeyo) (e.g., 학생이에요 (haksaeng-ieyo) - I am a student (polite)). 요 specifically marks the politeness of the predicate of a sentence.

Q: How do I ask a question with 아/어/여요?

The declarative and interrogative forms of 아/어/여요 are identical in structure. The only difference is your intonation. A rising intonation at the end of the sentence indicates a question. For example, 가요. (gayo., I go.) becomes 가요? (gayo?, Are you going?) with a rising tone.

Q: What about irregular verbs? Do they follow these rules?

Korean has several irregular verbs (e.g., ㄷ irregular, ㅂ irregular, 르 irregular, ㅎ irregular, ㅅ irregular). These verbs have specific changes to their stems when conjugating with vowel-initial endings like 아/어/여요. For an A1 learner, it is best to focus on mastering the regular conjugations first. Irregular verbs are typically introduced at slightly later A1/A2 stages, one type at a time, to avoid overwhelming the learner.

Verb Conjugation to 'Yo' Form

Base Verb	Stem	Vowel	Suffix	Result
가다	가	ㅏ	아요	가요
오다	오	ㅗ	아요	와요
먹다	먹	ㅓ	어요	먹어요
마시다	마시	ㅣ	어요	마셔요
하다	하	ㅏ	여요	해요
배우다	배우	ㅜ	어요	배워요

Meanings

The 'Yo' style is the standard polite form used in Korean to show respect to the listener while maintaining a friendly tone.

Declarative

Stating a fact or opinion.

“저는 학생이에요.”

“날씨가 좋아요.”

Interrogative

Asking a question with a polite tone.

“어디에 가요?”

“뭐를 먹어요?”

Imperative/Propositive

Giving a polite suggestion or command.

“앉으세요.”

“조금 기다려요.”

Reference Table

Reference table for Present Tense: The Polite 'Yo' Style (아/어/여요)
Form	Structure	Example
Affirmative	Stem + 아/어/여요	먹어요
Negative	안 + Stem + 아/어/여요	안 먹어요
Question	Stem + 아/어/여요?	먹어요?
Past	Stem + 았/었/였어요	먹었어요
Future	Stem + ㄹ/을 거예요	먹을 거예요
Polite Request	Stem + (으)세요	드세요

Formality Spectrum

Formal

식사합니다.

식사합니다. (Dining)

Neutral

먹어요.

먹어요. (Dining)

Informal

먹어.

먹어. (Dining)

Slang

냠냠.

냠냠. (Dining)

Vowel Decision Tree

Verb Stem

Vowel ㅏ, ㅗ

아요 Add -아요

Vowel others

어요 Add -어요

Verb 하다

해요 Becomes -해요

Examples by Level

저는 물을 마셔요.

I drink water.

한국어를 공부해요.

I study Korean.

오늘 날씨가 좋아요.

The weather is good today.

어디에 가요?

Where are you going?

저는 안 먹어요.

I am not eating.

내일 친구를 만나요.

I am meeting a friend tomorrow.

이거 얼마예요?

How much is this?

영화를 봐요.

I am watching a movie.

도와주셔서 감사합니다.

Thank you for helping me.

내일은 바빠서 못 가요.

I can't go tomorrow because I'm busy.

한국 음식을 좋아해요.

I like Korean food.

숙제를 다 했어요.

I finished all my homework.

선생님께서 말씀하세요.

The teacher is speaking.

그렇게 하면 안 돼요.

You shouldn't do it like that.

내일 회의에 참석해요.

I will attend the meeting tomorrow.

어제는 정말 즐거웠어요.

Yesterday was really fun.

그 제안을 수락하기로 했어요.

I decided to accept that proposal.

상황이 생각보다 복잡해요.

The situation is more complex than I thought.

그렇게 말하는 것은 무례해요.

It is rude to speak like that.

다음에 다시 이야기해요.

Let's talk about it again next time.

그분은 정말 존경할 만해요.

That person is truly worthy of respect.

결국 그렇게 될 줄 알았어요.

I knew it would end up like that eventually.

이 문제는 신중하게 접근해야 해요.

We must approach this problem carefully.

모든 것이 계획대로 진행돼요.

Everything is proceeding according to plan.

Easily Confused

Present Tense: The Polite 'Yo' Style (아/어/여요) vs Haeyo-che vs. Haera-che

Learners often mix polite and plain forms.

Present Tense: The Polite 'Yo' Style (아/어/여요) vs Hasipsio-che vs. Haeyo-che

When to use formal vs. polite.

Present Tense: The Polite 'Yo' Style (아/어/여요) vs Vowel Harmony

Confusing '아요' and '어요'.

Common Mistakes

✗

가다요

✓

가요

Don't add the ending to the dictionary form.

✗

먹아요

✓

먹어요

Wrong vowel choice for '먹'.

✗

공부아요

✓

공부해요

All '하다' verbs become '해요'.

✗

가

✓

가요

Dropping '요' is too informal.

✗

보아요

✓

봐요

Vowels often contract.

✗

마시어요

✓

마셔요

Vowel contraction rule.

✗

안 가요?

✓

가요?

Negative questions require careful intonation.

✗

먹으어요

✓

먹어요

Adding extra syllables.

✗

가고 싶어요요

✓

가고 싶어요

Double '요'.

✗

해요요

✓

해요

Redundant ending.

✗

먹었었요

✓

먹었어요

Incorrect past tense stacking.

✗

가시어요

✓

가세요

Honorific contraction failure.

✗

하셔요

✓

하세요

Incorrect honorific stem.

Sentence Patterns

저는 ___을/를 ___어요.

오늘 ___에 가요.

저는 ___를 좋아해요.

___는/은 어때요?

Real World Usage

Ordering coffee constant

아메리카노 주세요.

Texting a friend very common

지금 어디예요?

Job interview common

열심히 하겠습니다.

Travel common

이거 얼마예요?

Social media very common

사진 예뻐요!

Food delivery common

여기요!

💡

Vowel Harmony

Always check the vowel before adding the ending.

⚠️

Don't drop '요'

Dropping '요' makes you sound rude.

🎯

Practice aloud

Saying the endings aloud helps muscle memory.

💬

Politeness matters

Korean is a high-context language; politeness is key.

Smart Tips

Check the last vowel immediately.

가다 → 가요

Default to 'Yo' form.

가 → 가요

Always use '해요'.

공부하다 → 공부해요

Raise your intonation.

가요. → 가요?

Pronunciation

o + a = wa (와)

Vowel Contraction

When two vowels meet, they often merge into one sound.

Rising

가요? ↑

Indicates a question.

Memorize It

Mnemonic

Remember: 'Yo' is the 'Yo-yo' that goes up and down, making your speech polite and friendly!

Visual Association

Imagine a friendly person holding a yo-yo. Every time they speak, they bounce the yo-yo to show they are being polite.

Rhyme

If it ends in ㅏ or ㅗ, add 아요 to make it go. If it ends in anything else, add 어요 to help you tell.

Story

Min-su wants to buy coffee. He walks to the counter. He knows the verb is '사다' (to buy). He checks the vowel 'ㅏ', adds '아요', and says '커피 사요!' The barista smiles because he was polite.

Word Web

Vowel is ㅏ, so add 아요.

Which is correct? Multiple Choice

___ 먹어요.

✓ Correct! ✗ Not quite. Correct answer: 저는

Subject marker needed.

Fix the sentence. Error Correction

Find and fix the mistake:

먹아요.

✓ Correct! ✗ Not quite. Correct answer: 먹어요

Wrong vowel.

Reorder the words. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: 어디에 가요

Correct word order.

Translate to Korean. Translation

I drink water.

Answer starts with: 물 마...

✓ Correct! ✗ Not quite. Correct answer: 물 마셔요

Polite form.

What is the 'Yo' form of '하다'? Multiple Choice

하다 -> ?

✓ Correct! ✗ Not quite. Correct answer: 해요

Irregular verb.

Conjugate '보다'.

영화를 ___.

✓ Correct! ✗ Not quite. Correct answer: 봐요

Vowel contraction.

Build a sentence. Sentence Building

저는 / 공부해요 / 한국어를

✓ Correct! ✗ Not quite. Correct answer: 저는 한국어를 공부해요

SOV word order.

Score: /8

Practice Exercises

8 exercises

Conjugate '가다' to 'Yo' style.

저는 학교에 ___.

✓ Correct! ✗ Not quite. Correct answer: 가요

Vowel is ㅏ, so add 아요.

Which is correct? Multiple Choice

___ 먹어요.

✓ Correct! ✗ Not quite. Correct answer: 저는

Subject marker needed.

Fix the sentence. Error Correction

Find and fix the mistake:

먹아요.

✓ Correct! ✗ Not quite. Correct answer: 먹어요

Wrong vowel.

Reorder the words. Sentence Reorder

가요 / 어디 / 에

✓ Correct! ✗ Not quite. Correct answer: 어디에 가요

Correct word order.

Translate to Korean. Translation

I drink water.

✓ Correct! ✗ Not quite. Correct answer: 물 마셔요

Polite form.

What is the 'Yo' form of '하다'? Multiple Choice

하다 -> ?

✓ Correct! ✗ Not quite. Correct answer: 해요

Irregular verb.

Conjugate '보다'.

영화를 ___.

✓ Correct! ✗ Not quite. Correct answer: 봐요

Vowel contraction.

Build a sentence. Sentence Building

저는 / 공부해요 / 한국어를

✓ Correct! ✗ Not quite. Correct answer: 저는 한국어를 공부해요

SOV word order.

Score: /8

Practice Bank

12 exercises

Fill in the blank Fill in the Blank

I buy clothes. = 옷을 ___ (사다).

✓ Correct! ✗ Not quite. Correct answer: 사요

Choose the correct polite sentence Multiple Choice

Conjugate '마시다' (to drink).

✓ Correct! ✗ Not quite. Correct answer: 마셔요

Find the error Error Correction

집에 가다요.

✓ Correct! ✗ Not quite. Correct answer: 집에 가요.

Select the correct conjugation Multiple Choice

보다 (to see)

✓ Correct! ✗ Not quite. Correct answer: 봐요

Conjugate 'to sleep' (자다) Fill in the Blank

I sleep early. = 일찍 ___.

✓ Correct! ✗ Not quite. Correct answer: 자요

Identify the 'Hada' verb Multiple Choice

Which verb conjugates to '해요'?

✓ Correct! ✗ Not quite. Correct answer: 요리하다

Fix the vowel harmony Error Correction

앉아요 (to sit - 앉다). Is this correct?

✓ Correct! ✗ Not quite. Correct answer: Yes, it is correct.

Complete the sentence Fill in the Blank

The movie is interesting (재미있다). = 영화가 ___.

✓ Correct! ✗ Not quite. Correct answer: 재미있어요

Polite vs. Banmal Multiple Choice

Which one is polite?

✓ Correct! ✗ Not quite. Correct answer: 먹어요

Fix the typo Error Correction

일해요 (to work). Is this correct?

✓ Correct! ✗ Not quite. Correct answer: Yes, from 일하다.

Conjugate 'to open' (열다) Fill in the Blank

I open the door. = 문을 ___.

✓ Correct! ✗ Not quite. Correct answer: 열어요

Select the correct contraction Multiple Choice

오다 (to come) + 아요

✓ Correct! ✗ Not quite. Correct answer: 와요

Score: /12

FAQ (8)

Korean has irregular verbs that don't follow the standard vowel rules.

Yes, but use honorifics too.

Yes, it is the standard polite form.

Practice the most common verbs first.

It is the most common verb and has its own rule.

Yes, but formal writing uses different endings.

Add '안' before the verb.

No, use 'Hasipsio' for speeches.

Scaffolded Practice

1

2

3

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Japanese high

Desu/Masu form

Korean conjugates the verb itself, while Japanese adds a suffix to the stem.

Spanish low

Usted form

Korean uses sentence-final endings, Spanish uses verb conjugation.

German low

Sie form

Korean is a pro-drop language; German relies on pronouns.

French low

Vouvoiement

Korean uses honorific suffixes.

Chinese low

Nin

Chinese has no verb conjugation.

Arabic low

Honorifics

Korean is more consistent in its polite endings.

Learning Path

Prerequisites

Polite Ending: The Magic 'Yo' (-ayo/eoyo)

Overview In Korean, the expression `-을/를 통하여` (romanized: -eul/reul tonghayeo) serves a crucial role in formally in...

B2 Requires

Centered Around: -을/를 중심으로

Planning a trip to Seoul right now? Are you going for history, shopping, or food? Maybe your whole itinerary revolves ar...

B2 Requires

Formal 'By' Agent (-에 의해)

Overview In Korean, expressing agency – the 'by' in 'done by' – isn't a one-size-fits-all matter as it often is in Engli...

Related Grammar Rules

Talking About the Past in Korean: The 았/었/였 Rules

Overview The Korean past tense, primarily expressed through the suffix **-았/었/였-**, is fundamental for conveying acti...

Future Tense: Will & Going To ((으)ㄹ 거예요)

Overview When communicating in Korean, articulating future actions, intentions, or predictions is fundamental. The gramm...

Past Tense: Did you do it? (았/었/였)

Overview To master Korean, you must accurately describe events that have already transpired. The past tense, realized th...

Identifying the Verb Stem (어간)

Overview In Korean, verbs (`동사`, *dongsa*) and adjectives (`형용사`, *hyeong-yongsa*), often collectively referred to...

The Korean Copula: Am, Is, Are (이다)

Overview In Korean, the concept of "to be" (am, is, are) is primarily conveyed by the copula `이다`. Unlike English verb...

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Present Tense: The Polite 'Yo' Style (아/어/여요)

Grammar Rule in 30 Seconds

Overview

Conjugation Table

How This Grammar Works

Formation Pattern

When To Use It

When Not To Use It

Common Mistakes

Memory Trick

Real Conversations

Contrast With Similar Patterns

Progressive Practice

Quick FAQ

Verb Conjugation to 'Yo' Form

Meanings

Declarative

Interrogative

Imperative/Propositive

Reference Table

Formality Spectrum

Vowel Decision Tree

Vowel ㅏ, ㅗ

Vowel others

Verb 하다

Examples by Level

Easily Confused

Common Mistakes

Sentence Patterns

Real World Usage

Vowel Harmony

Don't drop '요'

Practice aloud

Politeness matters

Smart Tips

Pronunciation

Memorize It

Mnemonic

Visual Association

Rhyme

Story

Word Web

Challenge

Cultural Notes

Did You Know?

Conversation Starters

Journal Prompts

Common Mistakes

Test Yourself

Practice Exercises

Practice Bank

FAQ (8)

Scaffolded Practice

1

2

3

4

Mastery Progress

In Other Languages

Learning Path

Prerequisites

Continue With

Korean Vowel Contractions: Speak Like a Native (모음 축약)

Past Tense: Did you do it? (았/었/였)

Talking About Future Plans (ㄹ/을 거예요)

Asking Questions (Basic Formation)

Short Negation with 안 (Don't/Not)

Korean Adjectives: Describing Things (is/am/are)

Polite Commands: Please do... (-(으)세요)

Polite Ending: The Magic 'Yo' (-ayo/eoyo)

Connective Ending -고 (and then)

Connective Ending: `지만` (but, although)

Can / Cannot ((으)ㄹ 수 있다/없다)

Giving Reasons: Because/Since ((으)니까)

Going to do: (으)러

Intending to do... (으)려고

Korean 'Because' & 'So': The Glue of Sentences (-아/어/여서)

Korean Future Noun Modifier: Things to Do (-(으)ㄹ)

Describing Nouns with Verbs (는)

Going to do... (-(으)러 가다/오다)