Interogative for 이다.
야/이야? Casual
이에요/예요? Polite
입니까? FormalHalimbawa:
Note: 가방 is bag, and 개 is dog in korean.
Casual
가방이야?is it a bag?
개야?is it a dog?Polite
가방이에요?is it a bag?
가방예요?is it a dog?Formal
가방입니까?is it a bag?
개입니까?is it a dog?Another Examples:
Casual
학생이야?are you a student?
학생 student
이야 (are)Polite
학생이에요?are you a student?
학생 student
이에요 (are)Formal
학생입니까? Are you a student?
학생 student
입니까 are
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LEARN KOREAN LANGUAGE [COMPILATION]
Non-Fiction안녕하세요! Free to read this if you're interested to learn korean language. Hope it helps! DISCLAIMER: Some of the sources are not mine, credits to the rightful owner.