[ Passive Voice of Tenses ]
Active: He has called the police.
A. Passive: The police hasn’t been called.
B. Passive: The police has been called.
C. Passive: The police has being called.

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Verb Tense › ViewIs the verb tense past perfect, present perfect or future perfect? ‘The physicist has calculated the trajectory of the particle.’
A. Past perfect
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What is _____ doing in the kitchen?
A. she
B. they
C. we