Whose birthday is it? (É aniversário de quem?)
It's my father's birthday
Whose cake is this? (De quem é esse bolo?)
It's my friend's cake
Whose kite is this? (De quem é essa pipa?)
It's James's kite
Whose notebook is this? (De quem é esse caderno?)
It's my sister's notebook
Whose umbrella is this? (De quem é esse guarda-chuva?)
It's my cousins' umbrella
Whose sheep is this? (De quem é essa ovelha?)
It's the girl's sheep
Whose ball is this? (De quem é essa bola?)
It's the boys' ball
Whose presents are these? (De quem são esses presentes?)
They are the children's presents
Whose books are these? (De quem são esses livros?)
They are my brother's book's
Whose skateboard is this? (De quem é esse skate?)
It's Harry's skateboard
Whose balloon is this? (De quem é esse balão?)
It's Agnes's balloon
Whose dog is this? (De quem é esse cachorro?)
It's Lucy's dog