Select the option that expresses the given sentence in passive voice.
I will finish this book in a month.

Correct option is B

The correct passive voice of the sentence is (b) This book will be finished by me in a month.
Active Voice: When the subject of the sentence performs the action, the sentence is in active voice.
Passive Voice: When the subject of the sentence receives the action, the sentence is in passive voice.
Explanation:
· Active: Subject + will + V1 + object.
· Passive: Object + will be + V3 + by + subject.
· The verb “finish” changes to passive form “be finished”.
Structure:
· Active: I will finish this book.
· Passive: This book will be finished by me.
Grammatical rule used:
· Simple future tense:
· Active: will/shall + V1.
· Passive: will/shall + be + V3.
· Example: He will paint the wall → The wall will be painted by him.