Rewrite the sentence
That is her coat.
That coat is hers.
This is our car.
This car is ours.
The red bike is my.
The red bike is mine.
She is looking for hers keys.
She is looking for her keys.
That phone is their.
That phone is theirs.
Those are their chairs.
Those chairs are theirs.
Is that your phone?
Is that phone yours?
Is this big house our?
Is this big house ours?
Is this your bag.
Is this your bag?
This is he umbrella.
This is his umbrella.
Are these my keys?
Are these keys mine?
It is his book.
The book is his.
The dog is playing with it's ball.
The dog is playing with its ball.
Their's car is in the garage.
Theirs car is in the garage.
Is that our ball?
Is that ball ours?
Is this her desk?
Is this desk hers?
Are those your socks?
Are those socks yours?
Please, take yours seat.
Please, take your seat.
Is his jacket very expensive.
Is his jacket very expensive?
Is this my gift?
Is this gift mine ?
Is that their cat?
Is that cat theirs?
Is this your sandwich?
Is this sandwich yours?
Are these ours pencils?
Are these our pencils?
This is mine room.
This is my room.
Her's eyes are blue.
Her eyes are blue.