ENGLISH IIII WHOSE

We use whose to ask to whom something belongs: It can be followed by a noun and the interrogative form of the verb or the other way around: whose + verb. Let's read the examples to understand this better.
 whose + noun + verb   or   whose + verb

Possesive adjetive                  Possesive pronouns

                                                                                                          

It´s my calculator.                    It´s mine.

It´s your bag.                            It´s yours.

It´s his book.                            It´s his.

It´s her camera.                       It´s hers

It´s our car.                              It´s ours

It´s their business.                 It´s theirs 

*Answer questions about possesion with possesive pronouns (mine, yours,his, etc.) or the possesive  ´s (It´s Jane´s)