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Question

Difficulty: EasyActive and Passive Voice Transformation

Complete the following sentence by supplying the correct passive verb form that preserves the tense of the active sentence.

Answer:Active sentence: The security officers inspect all vehicles at the border checkpoint.
Passive sentence: All vehicles 【are inspected】 by the security officers at the border checkpoint.

Answer

are inspected
The correct passive construction requires the simple present plural auxiliary verb 'are' combined with the past participle 'inspected' to agree with the new plural subject 'All vehicles' while preserving the simple present tense of the active verb ('inspect').

Step-by-Step Solution

1
Identify the tense and main verb of the active sentence.
The verb 'inspect' is in the Simple Present tense, and the subject performing the action is 'the security officers'.
Transforming from active to passive voice requires retaining the original tense of the active sentence.
2
Determine the new subject and select the corresponding simple present auxiliary verb and past participle.
The new subject is 'All vehicles' (plural), requiring the present tense plural auxiliary 'are' plus the past participle 'inspected'.
Subject-verb agreement must be maintained between the new plural subject ('All vehicles') and the auxiliary verb.

Key Concept

Simple Present Active to Passive Voice Transformation
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Topics

Active and Passive Voice Transformation

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