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Question

Difficulty: MediumActive and Passive Voice Transformation

Transform the active construction into its passive equivalent by providing the exact passive verb phrase in the space provided.

Answer:Active sentence: The lead researcher had already published the groundbreaking findings before the symposium.

Passive sentence: The groundbreaking findings 【had already been published】 by the lead researcher before the symposium.

Answer

had already been published
The past perfect active verb 'had published' transforms into the passive form 'had been published', keeping the adverb 'already' positioned between the auxiliary verbs.

Step-by-Step Solution

1
Identify the tense and aspect of the main verb in the active sentence.
The active verb phrase 'had already published' is in the past perfect tense.
Preserving original tense, aspect, and mood is required during voice conversion.
2
Construct the past perfect passive form.
Past perfect passive follows the structure: had + (adverb) + been + past participle ('had already been published').
The object of the active sentence ('the groundbreaking findings') becomes the passive subject, requiring the past participle form with auxiliary 'had been'.

Key Concept

Past Perfect Voice Transformation
Estimated Time:1m 0s
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Topics

Active and Passive Voice Transformation

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