HOW TO SAY CAN & CANNOT IN KOREAN
The most common way to express capacity in Korean can be expressed using 할 수 있다.
We teach you how to use this structure and more, as well as their respective negative forms.

CAN IN KOREAN
Expressing capacity in Korean, and using “can”, “be able to” in a sentence, is done by using 수 있다.
- When the infinitive of the verb ends with a vowel, the verb is conjugated with ᄅ 수 있다
- ex: 하다 (to do) → 할 수 있다
- If it ends with a consonant, the verb is conjugated with 을 수 있다
- ex: 먹다 (to eat) → 먹을 수 있다
PATTERN
Verb + ᄅ/을 수 있다
| 나는 영어를 유창하게 구사할 수 있다. | I can speak English fluently. |
| 12 시 부터 점심을 먹을 수 있다. | We can have lunch starting from noon. |
| 두 대학의 입학 요건이 같을 수있다. | The entry requirement can be same for both universities. |
View More Examples:
| 그는 서두르면 기차를 탈 수 있다. | He can take the train if he hurries. |
| 이 자격증을 가지고 그녀는 대학에서 가르칠 수 있다. | She can teach at a university with this certificate. |
| 학생증이 있으면 티켓값을 할인받을수있다. | You can get a discount on the ticket with a student ID. |
| 그는다양한악기를연주할수 있다. | He can play many instruments. |
| 그의 형은 보트를 항해할 수 있다. | His brother can sail a boat. |
| 그녀는사진을잘찍을수 있다. | She can take a very good picture. |
CANNOT IN KOREAN
Negating the sentence is pretty easy, you just have to replace 있다 (there is) with 없다 (there isn’t).
The sentence structure to express cannot, not able to in Korean becomes:
PATTERN
Verb + ᄅ/을 수 없다
| 나는 영어를 유창하게 구사할 수 없다. | I can’t speak English fluently. |
| 12 시 부터 점심을 먹을 수 없다. | We can’t have lunch starting from noon. |
| 두대학의입학요건이같을 수없다. | The entry requirement can’t be same for both universities. |
View More Examples:
| 그는서둘러도기차를탈수 없다. | He can’t take the train even if he hurries. |
| 이 자격증을 가지고도 그녀는 대학에서 가르칠 수 없다. | She can’t teach at a university even with this certificate. |
| 학생증이 있어도 티켓값을 할인받을수없다. | You can’t get a discount on the ticket even with a student ID. |
| 그는다양한악기를연주할수 없다. | He can’t play many instruments. |
| 그의형은보트를항해할수 없다. | His brother can’t sail a boat. |
| 그녀는사진을잘찍을수 없다. | She can’t take a very good picture. |
TO BE POSSIBLE IN KOREAN
~이 가능하다 in Korean is the equivalent of “it is possible” in English.
- When the noun (often the subject of the sentence) ends with a consonant, the article “이” is used.
Note the verbs that are normalised in Korean include ~것. This form is treated as a noun that ends with a consonant.
- When the noun ends with a vowel, the article “가” is used.
PATTERN
Noun + 이/가 + 가능하다
| 나는 영어 구사가 가능하다. | It is possible for me to speak English. |
| 12 시 부터 점심식사가 가능하다. | It is possible for us to have lunch starting from noon. |
| 두 대학의 입학 요건의 동일함이 가능하다. | It is possible for both universities to have the same entry requirement. |
View More Examples:
| 그는 서두르면 기차 탑승이 가능하다. | It is possible for him to take the train if he hurries. |
| 이 자격증을 가지고 그녀는 대학 강의가 가능하다. | It is possible for her to teach at a university with this certificate. |
| 학생증이 있으면 티켓값 할인이 가능하다. | It is possible to get a discount on the ticket with a student ID. |
| 그는 다양한 악기 연주가 가능하다. | It is possible for him to play many instruments. |
| 그의 형은 보트 항해가 가능하다. | It is possible for his brother to sail a boat. |
| 그녀는 좋은 사진 찍기가 가능하다. | It is possible for her to take a very good picture. |
TO NOT BE POSSIBLE IN KOREAN
To negate the previous sentence structure to express “not possible” in Korean, you just have to replace 가능하다 with:
- Its negative form 가능하지 않다 (it is not possible)
- Its antonym 불가능하다 (it is impossible)
PATTERN
Noun + 이/가 + 가능하지 않다 or 불가능하다
| with 가능하지 않다 (not possible) | with 불가능하다 (is impossible) | english |
|---|---|---|
| 나는 영어 구사가 가능하지 않다. | 나는 영어 구사가 불가능하다 | It is not possible for me to speak English. |
| 12 시 부터 점심식사가 가능하지 않다. | 12 시 부터 점심식사가 불가능하다. | It is not possible for us to have lunch starting from noon. |
| 두대학의입학요건의 동일함이 가능하지 않다. | 두대학의입학요건의 동일함이 불가능하다. | It is not possible for both universities to have the same entry requirement. |
View More Examples:
| with 가능하지 않다 (not possible) | with 불가능하다 (is impossible) | english |
|---|---|---|
| 그는 서둘러도 기차 탑승이 가능하지 않다. | 그는 서둘러도 기차 탑승이 불가능하다. | It is not possible for him to take the train even if he hurries. |
| 이 자격증을 가지고도 그녀는 대학 강의가 가능하지 않다. | 이 자격증을 가지고도 그녀는 대학강의가 불가능하다. | It is not possible for her to teach at a university even with this certificate. |
| 학생증이 있어도 티켓값 할인이가능하지 않다. | 학생증이 있어도 티켓값 할인이 불가능하다. | It is not possible to get a discount on the ticket even with a student ID. |
| 그는 다양한 악기 연주가 가능하지 않다. | 그는 다양한 악기 연주가 불가능하다. | It is not possible for him to play many instruments. |
| 그의형은보트항해가 가능하지 않다. | 그의형은보트항해가 불가능하다. | It is not possible for his brother to sail a boat. |
| 그녀는 좋은 사진 찍기가 가능하지 않다. | 그녀는 좋은 사진찍기가 불가능하다. | It is not possible for her to take a very good picture. |
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MORE RESOURCES
Want to learn more? Check out these other free resources:
- Learn how to express capacity in Mandarin
FAQs
How to express capacity in Korean?
Two sentence structures can be used to express capacity in Korean:
Verb + ᄅ/을 수 있다 is equivalent to “can” in English.
Noun + 이/가 + 가능하다 is equivalent to “to be possible” in English.
How to say can in Korean?
The following sentence structure:
Verb + ᄅ/을 수 있다 is used to express”can” in English.
Examples:
나는 영어를 유창하게 구사할 수 있다.
I can speak English fluently.
그는 서두르면 기차를 탈 수 있다.
He can take the train if he hurries.
How to say cannot in Korean?
The following sentence structure:
Verb + ᄅ/을 수 없다 is used to express”cannot” in English.
Examples:
그는다양한악기를연주할수 없다.
He can’t play many instruments
그의형은보트를항해할수 없다.
His brother can’t sail a boat.
How to express potential in Korean?
Potential in Korean is expressed by using the following structure:
Verb + ᄅ/을 수도 있다
내일 비가 올 수도 있다.
It may rain tomorrow.
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Learn more about how to express potential in Korean here.
Where to find more lessons like this?
You can visit our Korean Grammar Bank for more lessons on levels A1, A2, B1 and B2.
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MORE FREE LESSONS
-
Basic sentence structure
Subject + Verb -
Present Tense
Verb + 아요 -
Present progressive tense in Korean
Verb stem + -고 있다 -
Past Tense
Verb + 았어요 -
Past progressive tense in Korean
Verb Stem + 고 있었다 -
Future Tense
Verb + -ㄹ거예요 -
Negative Form
안 + Verb / Adjective -
Korean plurals with 들
Noun + 들 -
Adjectives in Korean
Subject (은/는/이/가) + Infinitive Adjective -
Irregular adjectives in Korean
ㅂ Irregular: 쉽다 → 쉬워요 -
Korean particles (은/는, 이/가, 을/를)
Noun + 은 / 는 -
Place & time particles 에 and 에서
Noun + 에 -
Direction particle -로 and -으로
Noun + (으)로 -
Possessive Particle 의
Noun + 의 -
Common Korean prepositions
안, 밖, 앞, 위, 아래, 왼쪽, 오른쪽 + article -
Writing dates in Korean
Year + Month + Day -
Telling time in Korean
Hour + Minute (+Half) -
Writing dates in Korean
Year + Month + Day -
Asking questions in Korean
누구, 언제, 어디 etc -
Age in Korean
*몇 년* 생이세요? -
Sequential actions in Korean
Verb Stem + -고 나서 + Next Action -
Expressing "but" in Korean
Phrase 1 + 하지만 + Phrase 2 -
Expressing "because" in Korean
Verb / adjective ending with 아 + 서 -
Expressing "too/also" in Korean
Subject + Object + 도 -
Expressing "or" in Korean
Noun + (이)나 + Noun -
Korean measure words for general objects
Object + Number + Measure Word -
Korean measure words for living beings
Object + Number + Measure Word -
Korean measure words for specific items
Object + Number + Measure Word -
Expressing capacity in Korean
Verb + ᄅ/을 수 있다 -
Expressing acts of service in Korean
Verb Stem + -아/어 주다 -
Expressing desire in Korean
Verb + ~하기를 원하다 -
Expressing confirmation in Korean
Verb / Adjective / Noun + (이)지요

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