This is my book Is that his uncle Is she your friend? yes,it is. this is my pencil case.

This is my book Is that his uncle Is she your friend? yes,it is. this is my pencil case.

this is my book.- These are my/our books.Is that his uncle - Are those his/their uncles Is she your friend?- Are they your friends yes,it is.- Yes,they are.this is my pencil case.- These are my/our pe...

Is this your book
That's his dictionary.
These're my pencils.
Those are baseballs.

Are those your books?
Those are our dictionaries.
This is my pencil.
That's a baseball.

Is this your English book

Are these your english books