The friends of her sisters are very nice. (possessive case)
Her sisters' friends are very nice.
___ is a banana.
That is a banana.
car/David (possessive case)
David's car
pencil case/ Susan (possessive case)
Susan's pencil case
___ is a bed.
This is a bed.
____ is a sandwich.
This is a sandwich.
legs/ the horse
the horse's legs
phones/ my parents
my parents' phones
dolls/ my sisters
my sisters' dolls
My children is very lovely.
My children are very lovely.
____ is a cat.
This is a cat.
I have two puppy.
I have two puppies.
he/ guitar (possessive case)
his guitar
_____ is an apple.
That is an apple.