Active to passive voice of "Teacher is teaching book":

Appeared in: RML PRE 2025

Explanation

The fundamental rule of passive voice is that the object of the active sentence becomes the subject of the passive sentence.
In the sentence 'Teacher is teaching book', the 'book' is the object that receives the action, so it becomes the new subject.
The verb form must be passive. 'is taught' is a passive construction (a form of 'to be' + past participle).
Among the given choices, 'Book is taught by teacher' is the only grammatically sound sentence that correctly represents the original action in a passive form.

Option A: This option uses the active verb 'teaches' for the subject 'Book', incorrectly suggesting the book is performing the action.
Option B: This is a sentence fragment because it lacks a necessary auxiliary verb (like 'is' or 'was'). 'teaching' is a participle and cannot function as the main verb alone in this context.
Option D: This option completely alters the meaning of the original sentence. It implies that the teacher was the recipient of the teaching, not the one performing it.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Conversion of sentences from Active Voice to Passive Voice as background academic context rather than a clinical decision trigger.
This is a general English grammar question and does not have direct clinical relevance to nursing practice.
Strong communication skills, including correct grammar, are essential for clear and professional documentation, patient education, and interdisciplinary communication in healthcare.
What if? - If the stem changed one defining clue so that Book is taught by teacher no longer matched, reassess the option whose mechanism, classification, or indication now fits the revised presentation.

How to Approach the Question

First, identify the Subject (who is doing the action), Verb (the action), and Object (what the action is done to) in the original sentence.
Active Sentence: [Subject: Teacher] [Verb: is teaching] [Object: book].
Recall the rule for passive voice: The Object becomes the new Subject.
The new sentence should start with 'Book...'.
Change the verb to its passive form. The rule for Present Continuous ('is teaching') is to become 'is being taught'. If this is not an option, look for the closest valid passive form ('is taught').
The original Subject ('Teacher') moves to the end of the sentence, preceded by 'by'.

Concept Tested & Keywords

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Practise the full RML PRE 2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.