In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. The painting would have been stolen if the watchman hadn't helped.

1. A

   Someone stole the painting if the watchman hadn't helped.

2. B

   Someone had stolen the painting if the watchman hadn't helped.

3. C

   Someone would have stolen the painting if the watchman hadn't helped.

4. D

   Someone may have stolen the painting if the watchman hadn't helped.

Appeared in: NHM MP Staff Nurse-2022

Explanation

• The original sentence is a Type 3 conditional, expressing a hypothetical situation in the past that did not happen.
• The main clause, 'The painting would have been stolen,' is in the passive voice (perfect conditional: would have been + past participle).
• To convert to active voice, an implied subject ('Someone') is introduced, and the verb changes to the active perfect conditional ('would have stolen').
• The conditional clause ('if the watchman hadn't helped') is already in the active voice and remains unchanged.
• The resulting sentence correctly maintains the original tense, structure, and meaning of the Type 3 conditional.

Why Other Options Were Wrong

• Option A: This option uses the simple past tense ('stole') in the main clause, which is grammatically incorrect for a Type 3 conditional sentence.
• Option B: This option incorrectly uses the past perfect tense ('had stolen') in the main clause. The past perfect is used for the condition (the 'if' clause), not the result.
• Option D: This option changes the modal verb from 'would' to 'may,' which alters the meaning. 'Would' implies a certainty in the hypothetical situation, while 'may' suggests only a possibility.

Related Visual

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Active and Passive Voice as background academic context rather than a clinical decision trigger.
• This question does not test a clinical nursing concept but evaluates English language proficiency, which is a component of nursing entrance examinations.
• Strong command of grammar is essential for clear and accurate documentation, patient communication, and understanding medical literature and protocols.
• What if the question involved converting from active to passive? The sentence 'Someone would have stolen the painting' would become 'The painting would have been stolen,' demonstrating the reverse process.

How to Approach the Question

• First, identify the type of sentence. This is a conditional sentence (indicated by 'if').
• Analyze the verb tenses in both clauses. The main clause is 'would have been stolen' (passive perfect conditional), and the 'if' clause is 'hadn't helped' (past perfect). This confirms it's a Type 3 conditional.
• The task is to change the voice. Since the main clause is passive, it must be converted to active.
• To make 'The painting would have been stolen' active, introduce a subject (like 'Someone') and change the verb form to 'would have stolen,' making 'the painting' the object.
• Keep the 'if' clause unchanged as it is already in the active voice.
• Compare your constructed active sentence with the given options to find the exact match.

Concept Tested & Keywords

• Concept Tested: Active and Passive Voice
• Stem keywords: Active/Passive voice, The painting would have been stolen, if the watchman hadn't helped
• Lead-in keywords: best expresses

Question ID

QVVBBRBXcdY76ooaAfrnYa

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