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Korean Grammar Library
Explore Korean grammar from beginner to advanced levels — all in one place.
Each lesson includes clear explanations, natural example sentences, and a free downloadable worksheet to help you practice confidently.
Perfect for self-learners and Korean enthusiasts who want structured, step-by-step grammar mastery.


Korean Vocabulary #3 – Polite vs Casual Speech: Essential Style Differences
1️⃣ Introduction In Korean, how you speak changes depending on who you are talking to. This is called “존댓말 (polite speech)” and “반말 (casual speech).” Understanding when and how to use them is one of the most important parts of Korean communication. 2️⃣ Vocabulary List # Korean Pronunciation Meaning 1 존댓말 jon-daen-mal Polite speech 2 반말 ban-mal Casual speech 3 안녕하세요 an-nyeong-ha-se-yo Hello (polite) 4 안녕 an-nyeong Hi / Bye (casual) 5 감사합니다 gam-sa-ham-ni-da Thank you (poli
Oct 24, 2025


Korean Grammar Basic #16 — -고 있다 (Progressive Form)
1️⃣ Introduction Learn how to express ongoing actions in Korean using -고 있다 (-go it-da) . This grammar is used to describe something that is happening right now , was happening , or will be happening — just like the English “be + -ing” form. 2️⃣ Grammar Explanation 🔹 -고 있다 (Progressive Form) (-go it-da) In Korean, you can use -고 있다 to describe actions that are happening right now or were happening in the past.It’s made by attaching -고 있다 to the verb stem. Think of it l
Oct 24, 2025


Korean Grammar Basic #15 – How to Use “(으)ㄹ 거예요(Future Tense)
1️⃣ Introduction In English, we say: I will go.I will study.I will eat. In Korean, we use -(으)ㄹ 거예요 to express the same meaning.It’s one of the most common future tense endings, used in both spoken and written Korean. 2️⃣ Grammar Explanation 🔹 (으)ㄹ거예요 (Future Tense) “-(으)ㄹ” marks future tense or intention , and “거예요” adds politeness. Literally, “-(으)ㄹ 거예요” comes from “-(으)ㄹ 것 + 이예요” → “거예요” (spoken contraction).It literally means “It is a thing that will (do)” → naturally “
Oct 24, 2025


Korean Grammar Basic #14 – How to Use Past Tense (-았/었/였어요)
1️⃣ Introduction Learn how to make the past tense in Korean using -았어요 / -었어요 / -였어요 . This pattern lets you talk about things you did, felt, or experienced in the past. 가다 (to go) , 먹다 (to eat) , 하다 (to do) To make the past tense, we remove -다 and attach the right past ending: -았어요 / -었어요 / -했어요 depending on the vowel of the verb stem. This is a regular rule, but you’ll also learn a few contractions that happen naturally in speech. 2️⃣ Grammar Explanation 🔹 았어요 / -었어요
Oct 24, 2025


Korean Grammar Basic #13 – How to Use “-아요 / -어요 / -여요” (Present Tense)
1️⃣ Introduction In Korean, verbs and adjectives always end with -다 in the dictionary (basic) form. For example: 가다 (to go) , 먹다 (to eat) , 하다 (to do) To make them speakable , we remove -다 and attach the right ending ( -아요 / -어요 / -여요 )based on the last vowel in the verb stem. This is called conjugation (활용) — it changes the verb form depending on tense or context. 2️⃣ Grammar Explanation 🔹 아요 / -어요 / -여요 (Present Tense) The “-다” ending is not pronounced in conversation
Oct 24, 2025
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