Şunlar kimin ayakkabıları? - Whose shoes are those?
Şunlar kimin ayakkabıları?
Whose shoes are those?
Bu gömleği tanımıyorum. O kimin? - I don't recognize this shirt. Whose is it?
Bu gömleği tanımıyorum. O kimin?
I don't recognize this shirt. Whose is it?
We saw several houses whose roofs are falling off. (=The roofs are falling off several houses we saw.).