Choose the correct passive form of the sentence: 'The committee had been debating the issue for hours.'
The issue had been being debated by the committee for hours.
The given sentence is in the past perfect continuous tense:
Subject + had been + verb-ing + object.
The corresponding passive form is:
Object + had been being + past participle + by + subject.
Applying this:
The committee had been debating the issue → The issue had been being debated by the committee.
(Although 'had been being + V3' is grammatically heavy, it is the formally correct passive of the past perfect continuous; it is the form typically expected in objective grammar tests.)
Examining the other options:
(A) 'had been debated' — passive of past perfect, not past perfect continuous.
(C) 'was debated' — simple past passive.
(D) 'had debated' — incorrect form (active).
Hence, the correct passive form is option 2.
Select the option that expresses the given sentence in passive voice.
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