일 더하기 일은 이입니다.
One plus one is two.
Korean
이다
이다
Meaning: to be
Listen to pronunciation
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Verb inflections
| Form | Inflected form |
|---|---|
| Base | 이다 |
| Present | 인다 |
| Polite | 여요 |
| Formal | 입니다 |
| Past | 였다 |
| Past + Polite | 였어요 |
| Guess + Polite | 이겠어요 |
| Connective | 이고 |
| Conditional | 이면 |
| Volitional | 이자 |
| Imperative | 여라 |
| Imperative + Polite | 이세요 |
| Attributive | 이는 / 인 / 일 |
Example sentences
That person is my friend.
삼각형의 세 각의 합은 180도이다.
The sum of the three angles of a triangle is 180 degrees.
투표권은 민주주의의 기본이다.
The right to vote is the basis of democracy.
이 책의 가장 흥미로운 부분은 마지막 장입니다.
The most interesting part of this book is the last chapter.
이 책은 한국 역사에 관한 책입니다.
This is a book about Korean history.
그는 가난했다. 그러나 마음만은 부자였다.
He was poor. However, in his heart, he was rich.
그 영화에 대한 사람들의 평가는 매우 긍정적이었다.
The people's evaluation of the movie was very positive.
이제 집에 갈 시간이야.
It's time to go home now.
이 사과는 얼마예요?
How much is this apple?
Usage Notes
The verb 'to be' in Korean, used to indicate that a noun is the subject's predicate. It attaches directly to the noun.
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