Whose ball is this?
It is his.
Whose grapes are these?
They are ours.
What object pronoun is for "You"?
you
Whose kite is this?
It is mine.
What object pronoun is for "I"?
me
What object pronoun is for "They"?
them
Whose Ipad/game is this?
It is theirs.
Whose bat is this?
It is hers.
What object pronoun is for "she"?
her
What object pronoun is for "We"?
us
What object pronoun is for "You"?
you
What object pronoun is for "He"?
him
Whose pencil are these?
They are yours.
Whose coat is this?
It is yours.
What object pronoun is for "It"?
it