Is this his basket?
Yes, it is.
Are these her socks?
Yes,they are
What are these?
These are socks
Are these Billy's trouesers
No, they aren't
What is this?
It is a dress
What are these?
These are trousers
What is this?
It is a basket.
Are these mum's socks
No, they aren't.
Is this Rosy's basket?
Yes,it is.
Is this billy's t-shirt
yes, it is