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