Who ?- kto ? Qho is at home ? -kto jest w domu ?

Whitch(of) ? ktory ? Whitch player is that ? Ktory to zawodnik ?

whom ? kogo? whom do you know ? Kogo pan zna ?

What? co ? what are you doing ?Co robisz ?

Whose? czyj? whose car is it ? Czy to samochod ?