Korean sentence endings help express the speaker’s stance, sentence type and relationship to the listener. Begin with a small set of useful sentences rather than treating one ending as a shortcut to every polite interaction.
The examples here are simple South Korean standard-language teaching examples. They are not a complete conjugation reference or a promise that grammar choices will improve business outcomes.
Find the stem and the ending
Dictionary forms such as 가다, 먹다 and 하다 are useful lookup forms. In a beginner analysis, removing the dictionary ending -다 gives stems 가-, 먹- and 하-. Conjugation then depends on the form you need.
Do not assume every verb follows the same pattern. Vowel changes, contractions and irregular forms need specific examples. Check a dictionary or structured lesson when a new form does not match your model.
Start with a small polite set
| Dictionary form | Basic polite example | Simple meaning |
|---|---|---|
| 가다 | 가요 | go / goes |
| 먹다 | 먹어요 | eat / eats |
| 하다 | 해요 | do / does |
These forms can take different interpretations in context. The National Institute of Korean Language’s 해요체 entry explains this informal polite speech level. Politeness to the listener and respect expressed about a subject are related but distinct grammatical questions.
Change one feature at a time
For practice, compare 가요 with 갔어요 for a simple past context. Compare 갈 거예요 for a future plan or expectation in an appropriate context. Do not treat English tense labels as a perfect map of every use.
Write a short original situation beside each example. This makes it easier to understand the form than memorizing an isolated ending with one English word.
Check sentence purpose and context
A written 가요 can be part of a statement or a question depending on context and intonation; 가요? is a simple written question example. Learn requests, suggestions and commands as their own patterns.
Do not make an instruction polite by simply attaching 요 to any expression. For a new request, use a reliable model and ask whether it fits the relationship and situation.
Build a small correction log
Choose three familiar verbs and one target pattern. Write your own sentences, check them with a reliable lesson or teacher, and note the reason for a correction.
Keep the original and corrected versions together. A translation application’s fluent result is not a grammar explanation, and automatic corrections can miss the register or intention you need.
Change one ending while keeping the event constant
Use the constructed pair “지금 가요” and “어제 갔어요.” The event remains going, while the second sentence places it in the past. Ask a teacher to identify the stem, the tense-related change and the listener-oriented ending rather than treating the full forms as unrelated words.
Next write a short question using the form you have practiced, with a clear speaker and listener. Check sentence purpose as well as tense. A grammatically possible ending may still sound unsuitable when a request, suggestion or refusal is intended.
| Focus | What to check |
|---|---|
| Constant | The verb and basic event being described. |
| Change | Time, sentence purpose or speech level—one feature at a time. |
| Check | A complete exchange showing whether the new form fits. |
A reader question: Can a verb-ending list tell me the tone of every sentence?
Not completely. Tone depends on the exchange, vocabulary and relationship as well as the ending. Use lists as reference material, then test a form in a short situation with contextual feedback.
Practice for an actual exchange
Choose a task such as stating a plan, asking a simple question or describing yesterday. Rehearse the meaning as well as the pronunciation and prepare a clarification phrase.
Review one pattern later without looking. Broaden the set when you can explain and use it, rather than counting every saved ending as mastered.
Editorial revision: October 20, 2026. Verify current provider terms and official requirements where relevant. Examples marked as constructed are not quotes or research findings. This guide makes no personal-testing, health, legal, ranking, income or outcome guarantee.