Whose is this pen? - This is my pen.
Whose is this book? - This is your book.
Whose is this table? - This is my brother's table.
Whose is this bag? - This is my mom's bag.
Whose is this pencil? - This is my sister's pencil.
Is this your notebook? - Yes, It is.
Is this your brother's notebook? - No, this is my notebook.
Where is your table? - He is in the middle of the room.
Where is your pen? - She is in my pocket.
Where is your notebook? - It is on the table.
Where is your mom? - She is at work.
Where is your brother? - He is at school.