How to use Korean Grammar (으)ㄹ 수 있다 / 없다

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Verb, Adjective + / 을 수 있다

ㄹ 수 - if a word ends in a vowel or ㄹ, 을 수 - if it ends in a consonant (except ㄹ)

-ㄹ / -을 수 있다 is used to express the ability to do something. It can be translated as "can", "able to".

See examples,
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우리가 수영장에서만 수영할 수 있어요.

Korean

우리

수영장

수영하다

English

we

pool

to swim

We can only swim in the pool.

우리 수영장+에서+ 수영하+ㄹ 수어요.

노래를 부를 수 있어요?

Korean

노래

부르다

English

song

to sing

Can you sing?

노래 부르+ㄹ 수어요?

한글을 읽을 수 있지만 이해를 못해요.

Korean

한글

읽다

이해

못하다

English

Korean

to read

understanding

cannot

I can read Korean, but I can't understand it.

한글을 수지만 이해 못하+여요.

Verb, Adjective + / 을 수 없다

-ㄹ / -을 수 없다 is used to express the inability to do something. It can be translated as "cannot", "not able to".

See examples,
(click on translation and grammar buttons)

저는 운전할 수 없어요.

Korean

운전하다

없다

English

I

to drive

not to have

I cannot drive.

운전하+ㄹ 수어요.

저는 독일어를 이해할 수 없습니다.

Korean

독일어

이해하다

English

I

German language

to understand

I cannot understand German language.

독일어 이해하+ㄹ 수습니다.

Quick reference (click to open)

Vowels: a, e, i, o, u

Consonants: b, c, d, f, g, h, j

Syllable: Bra-zil (2 syllables), Ar-gen-ti-na (4), In-di-a (3), Viet-nam (2), thin-king (2), beau-ti-ful (3), good (1)

Batchim: is a final consonant in a syllable. → Bra-zil (batchim: 'l'), Ar-gen-ti-na (batchims: 'r' and 'n'), In-di-a ('n'), Viet-nam ('t', 'm')

Romanization: is a conversion of text (not pronunciation ! ) from different writing system (Korean, Arabic, Russian, etc.) to the Roman (Latin) alphabet.

IPA: is an alphabetic system of phonetic (pronunciation) notation.

Noun: road, user, sister, table, sky

Pronoun: I, my, we, you, they, her

Verb: to go, to study, to think, to feel

Adjective: cold, kind, hungry, curious, expensive

Adverb: quickly, nicely, never, exactly, urgently

Preposition: from, to, on, in, with, till

Conjuction: and, because, if, but, while

Declarative sentence: I learn Korean.

Interrogative sentence: Do you learn Korean?

Imperative sentence: You must learn Korean!

Exclamative sentence: Wow, you learn Korean!

Verb / Adj. stem in Korean: part of a verb or adj. which is left after removing the last syllable -다 ( e.g. 가다 → 가, 예쁘다 → 예쁘, 듣다 → 듣 ).