… this your book? – This book … not my. My book … in my bag. вставить am,is,are    

Вопрос от посетителя:

… this your book? – This book … not my. My book … in my bag.

вставить am,is,are

Илюха отвечает:

Is this your book?-
This book is not mine.  My book is in my bag