Passive voice often adds length, impedes flow, and subtracts the useful info of who is doing something.
Examples:
* Active - concise, complete info: The manager approved the proposal.
* Passive - wordy, awkward: The proposal was approved by the manager.
* Passive - missing info: The proposal was approved. [by who?]
Most experienced writers will use active unless they have a specific reason not to, e.g., to emphasize another element of the sentence, as the third bullet's sentence emphasizes approval.
Examples:
* Active - concise, complete info: The manager approved the proposal.
* Passive - wordy, awkward: The proposal was approved by the manager.
* Passive - missing info: The proposal was approved. [by who?]
Most experienced writers will use active unless they have a specific reason not to, e.g., to emphasize another element of the sentence, as the third bullet's sentence emphasizes approval.
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edited for clarity, detail