"this book is mine" vs "this book are mine"

Question

"this book is mine" vs "this book are mine"

The correct phrase is "this book is mine." The verb "is" should agree with the singular subject "book." The phrase "this book are mine" is incorrect because the verb does not match the subject in number.

Last Updated: March 20, 2024

This phrase is used to indicate ownership of the book. The verb "is" agrees with the singular subject "book."

Examples:

This book is mine, not yours.
Whose book is this? This book is mine.
I can't find my book. Oh, wait, this book is mine!
This book is mine, so please don't take it.
She thought the book was hers, but I told her, 'No, this book is mine.'

Answer 1

this book is mine

This phrase is correct and commonly used in English.

Answer 2

this book are mine

This phrase is incorrect in English. The verb "are" does not agree with the singular subject "book."

"this book is mine" vs "this book are mine"

this book is mine

this book are mine

Related Comparisons