we
It is our ball.
my grandma
It is my grandma's photo album.
Kate
It is Kate's mobile phone.
his brother
They are his brother's rollerskates.
we
They are our globes.
they
It is their computer.
you
It is your board game.
I
It is my camera.
David
It is David's CD player..
the boy
It is the boy's scooter.
he
It is his bag.
Adam and Maya
It is Adam and Maya's bike.
my parents
They are my parents' books.
she
They are her ice skates.
it
It is its skateboard.