Correct option is A
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Active Voice- Active voice is a grammatical structure in which the subject of the sentence performs the action expressed by the verb.
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Passive Voice- Passive voice refers to a grammatical construction where the subject of a sentence undergoes an action rather than performing it. In passive voice sentences, the emphasis is on the recipient or object of the action.
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The correct passive form of the given sentence is "This hall is used on special occasions."
This option correctly converts the active sentence into passive voice, maintaining the original meaning and indicating the general use of the hall.
· Conversion rule:
Subject + verb + object -> <- Object + auxiliary verb (is, am, are) + past participle + by + subject.