Who's / whose + possessive case

– ___ book is this? – Lia's.

• whos

• whose

• who's

– ___ Den? – He's my best friend.

• who

• who's

• whose

– ___ biscuits are these? – Grandma's.

• who's

• who

• whose

– ___ guitar is that? – My mother's.

• whose

• who's

• who

– Who's your teacher. – It's ___.

• Miss Parker

• Miss Parkers'

• Miss Parker's

– Who's their father? – He's a ___.

• pilot's

• pilots'

• pilot

– Whose bike is that? – ___.

• Mike's

• Mike

• Mikes'

– Who's Greg? – He's a ___.

• teacher

• teachers'

• teacher's

– Whose ball is that? – ___.

• Ben

• Bens'

• Ben's

– ___ Ann? – She's my classmate.

• whose

• who's

• whos