Convert the sentence from passive to active voice: The citizens were warned about the cyclone by the authorities.

The authorities warned the citizens about the cyclone.
The citizens warned the authorities about the cyclone.
The authorities have warned the citizens.
The citizens were warning the authorities.

Correct answer: The authorities warned the citizens about the cyclone.

Solution

In passive voice, "the authorities" are the doers and "the citizens" receive the action. Converting to active voice gives the authorities as the subject and keeps the same meaning.

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