who's

listen to the pronunciation of who's
İngilizce - Türkçe
kim

Kim bu sorun için sorumluluk alıyor? - Who's taking responsibility for this problem?

Bunun sorumluluğunu kim üstleniyor? - Who's taking responsibility for this?

who is
bu kim?
Who is
kimdir
İngilizce - İngilizce
Who is

Who’s that in my bed?.

Who has

Who’s been sleeping in my bed?.

Who's is the usual spoken form of `who is' or `who has', especially when `has' is an auxiliary verb. the short form of 'who is' or 'who has'
contracted form of who is; contracted form of who was
who's