Question

존이 코가 커요 The subject marker -이/가 may replace the possessive particle -의 in sentences like 'someone의 something이/가 is ...'. Similarly to the previous example, the resulting phrase becomes a double-subject sentence with more focus placed on the first subject: 'It is someone이/가 whose something이/가 is...'.In casual speech, if the subject position is clear, and there is no need to mark the corresponding noun, -이/가 is often omitted.When used with the -가 particle, pronouns 나, 저, 너, 누구 change to 내가, 제가, 네가 (often pronounced as 니가 in colloquial speech), and 누가, respectively.-께서 is an honorific alternative of the -이/가 particle. -께서 is used when talking about an elder or higher status person.

Accepted Answer

It is John whose nose is big

Front	존이 코가 커요
Back	It is John whose nose is big
Notes	The subject marker -이/가 may replace the possessive particle -의 in sentences like 'someone의 something이/가 is ...'. Similarly to the previous example, the resulting phrase becomes a double-subject sentence with more focus placed on the first subject: 'It is someone이/가 whose something이/가 is...'. In casual speech, if the subject position is clear, and there is no need to mark the corresponding noun, -이/가 is often omitted. When used with the -가 particle, pronouns 나, 저, 너, 누구 change to 내가, 제가, 네가 (often pronounced as 니가 in colloquial speech), and 누가, respectively. -께서 is an honorific alternative of the -이/가 particle. -께서 is used when talking about an elder or higher status person.

이/가 Subject Something이/가 께서 존이 코가 커요 John