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이/가 vs 을/를

Q: What should you do after studying “이/가 vs 을/를”?

Recognition fades. Production + spaced reuse is how patterns stick — that is why every Chamelingo page pushes practice. Correct answer: Produce a new sentence out loud and reuse the pattern later.

Explanation

이/가 marks the subject (who/what does the action or is described). After a batchim use 이 (책이); after an open syllable use 가 (사과가).

을/를 marks the object of a transitive verb. Batchim → 을 (물을), open → 를 (커피를).

If you can ask “who/what is doing it?” use 이/가. If you can ask “who/what is affected?” use 을/를.

Drill with the same noun: 친구가 와요 (a friend comes) vs 친구를 만나요 (meet a friend).

This page focuses on “이/가 vs 을/를.” Read for meaning first, then re-read looking only at formality and particle choice — those two details decide whether you sound natural.

After the explanation, study the worked examples and the common mistakes. Then take the one-question check so you know you did not only skim.

Connect this page to nearby Chamelingo lessons and tools. Isolated tips do not stick; a graph of vocabulary + grammar + speaking does. Use the related links at the bottom to keep walking the graph.

When you can explain “이/가 vs 을/를” in one plain English sentence and produce one new Korean example without looking, you are ready to move on — then review again within 24 hours.

Examples

고양이가 있어요.

There is a cat. / A cat exists.

고양이를 좋아해요.

I like cats.

물을 주세요.

Water, please.

Common mistakes

Do not translate word-for-word from English when using “이/가 vs 을/를” — match Korean word order (SOV) and speech level.
Do not mix 반말 and 존댓말 in the same short exchange unless you are sure both speakers switched.
If a page contrasts two forms, never treat them as free synonyms — pick by meaning, not by which one you memorized first.

How to practice

Level: beginner–friendly explanation; still re-check formality with a native conversation partner when stakes are high.
Say every example out loud, then change one slot (place, time, or person) to force production — not only recognition.
After reading, open Chamelingo and recycle the same pattern in a lesson or speaking practice so it enters long-term memory.

Check yourself

Question 1 of 1

What should you do after studying “이/가 vs 을/를”?

은/는 vs 이/가 Particles tool All comparisons

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