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Get Started Free →Use when reviewing prose for passive voice and deciding, sentence by sentence, which passives to rewrite as active and which to leave alone — converts the passives that hide a doer the reader needs, but keeps passive when the doer is unknown, obvious, or beside the point, and in methods, recipe, and process descriptions. Do NOT use for general wording concision (that is line-edit), reading-level rewrites, or restructuring a draft.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-03 | ✗→✓ | ▲ Improved | 339% | 0% |
| case-05 | ✗→✓ | ▲ Improved | 261% | 0% |
| case-06 | ✗→✓ | ▲ Improved | 266% | 0% |
| case-08 | ✗→✓ | ▲ Improved | 343% | 0% |
| case-09 | ✗→✓ | ▲ Improved | 266% | 0% |
Passive voice is not a defect to be stamped out. Told to "check the passive voice" in a passage, base models over-correct: they convert every passive sentence to active, including the ones where passive was the right call, and they invent an actor to fill the subject slot even when no actor is known or the actor does not matter. That mangles methods sections, recipes, and neutral statements of fact.
The judgment this skill supplies is the boundary: convert the passives that hide a doer the reader needs; keep the ones where naming a doer adds nothing or would be wrong. Evaluate one sentence at a time and give a verdict — KEEP or CONVERT — with a one-line reason. Provide the active rewrite only for the sentences you mark CONVERT.
Rewrite to active when a specific, relevant doer exists and the passive is obscuring it:
made them, who suspended it? If someone is responsible and the reader needs to know, name them: "The billing team suspended the account." "Mistakes were made" is the classic dodge — convert it.
by-agent is already there. "The report was written by the committee"reads better active: "The committee wrote the report." The doer is present and relevant, so lead with it.
whom, active puts the doer up front where the reader expects it.
Leave the sentence passive (do not flag it, do not invent an actor) when:
needs the specific masons. Forcing "Some builders completed it" is worse.
By the authorities, of course — saying so adds noise.
overnight." "The onions are sautéed until soft, then the stock is stirred in." Here the convention is deliberately actor-free: the reader cares about the step, not that a researcher or cook performed it. Naming the actor ("We stained the tissue…") is a stylistic choice the author owns, not a fix you should impose.
is about, passive keeps the topic in the subject slot: a bio that opens on a person and then says she "was recruited" and "was given" a team keeps her in the subject; flipping to "The board recruited her" shoves the topic aside and breaks the through-line.
at the company's discretion" — often keeps the actor unnamed on purpose. Do not pin it down.
pressure." There is no doer to promote.
The mistake is treating "passive" as the trigger and "make it active" as the fix. Passive voice is the symptom you inspect, not the verdict. A clean audit will KEEP more sentences than it converts on a methods-heavy or fact-heavy passage, and will only convert where an active rewrite genuinely serves the reader by surfacing a doer that matters. If a sentence is passive and you cannot name a specific, relevant actor to put in front, that is itself the signal to KEEP it.
For each passive sentence you examine, report:
Do not rewrite sentences you mark KEEP. Do not touch sentences that are already active.
Other measured skills in the registry, with their headline benchmark lift.