I-This is my teddy bear.-This teddy bear is mine.

mymine

You-This is your card.-This card is yours.

youryours

He-This is his little ball.-This little ball is his.

hishis

She

-This is her heart.-This heart is hers.

herhers

It-This is its cookie.-This cookie is its.

itsits

We-This is our car.-This car is ours.

ourours

They-This is their prize.-This prize is theirs.

theirtheirs