[คำกริยาภาษาเกาหลี] 이다 - To be

이다 - to be

Declarative (ประโยคบอกเล่า)

Present (รูปปัจจุบัน) (I) am	Non-honorific (이다)	Honorific (-)
Formal, Polite	입니다	-
Formal, Casual	인다	-
Informal, Polite	이에요 / 예요	-
Informal, Casual	이야 / 야	-

Past (รูปอดีต) (I) was	Non-honorific (이다)	Honorific (-)
Formal, Polite	였습니다	-
Formal, Casual	였다	-
Informal, Polite	였어요	-
Informal, Casual	였어	-

Future (รูปอนาคต) (I) wiil be	Non-honorific (이다)	Honorific (-)
Formal, Polite	일 겁니다	-
Formal, Casual	일 거다	-
Informal, Polite	일 거예요	-
Informal, Casual	일 거야	-

Future Condition	Non-honorific (이다)	Honorific (-)
Formal, Polite	이겠습니다	-
Formal, Casual	이겠다	-
Informal, Polite	이겠어요	-
Informal, Casual	이겠어	-

Interogative (ประโยคคำถาม)

Present (รูปปัจจุบัน) Are you be?	Non-honorific (이다)	Honorific (-)
Formal, Polite	입니까?	-
Formal, Casual	이니?	-
Informal, Polite	이에요?	-
Informal, Casual	이야?	-

Past (รูปอดีต) Was you be?	Non-honorific (이다)	Honorific (-)
Formal, Polite	였습니까?	-
Formal, Casual	였니?	-
Informal, Polite	였어요?	-
Informal, Casual	였어?	-

Future (รูปอนาคต) Wiil you be?	Non-honorific (이다)	Honorific (-)
Formal, Polite	일 겁니까?	-
Formal, Casual	일 거니?	-
Informal, Polite	일 거예요?	-
Informal, Casual	일 거야?	-

Imperative (ประโยคบอกให้ทำ: ขอร้อง, คำสั่ง)

(You) be	Non-honorific (이다)	Honorific (-)
Formal, Polite	이십시오	-
Formal, Casual	이야라	-
Informal, Polite	이세요	-
Informal, Casual	이야	-

Suggestion

Let's be	Non-honorific (이다)	Honorific (-)
Formal, Polite	입시다	-
Formal, Casual	이자	-
Informal, Polite	이에요	-
Informal, Casual	이야	-