Rahim found a laptop in the classroom, but could not determine ____ it belonged to. Which is correct for the above gap Who/whose/who's/ who is Please give an Explanation also. I highly recommend the famous book English Grammar in Use by Murphy. It has explanations, exercises, and answers to the exercises. Consult Units 49-50 and 92-96. Rahmi found a laptop. To whom did it belong? [archaic] Rahim found a laptop. Who did it belong to? [who as object of preposition "to"] Rahim found a laptop, but [he] could not determine who it belonged to.

Rahim found a laptop in the classroom, but could not determine ____ it belonged to. Which is correct for the above gap Who/whose/who's/ who is Please give an Explanation also. Rahim found a laptop in the classroom, but could not determine whose laptop it belonged to. Whose is a pronoun. It is used to associate with which person. I hope it helps.