Le Passif: éviter le passif avec on

If there is one single rule that English speakers must internalize when translating into French, it is this: French uses the passive voice noticeably less than English does, and the everyday substitute is on + active verb. On parle français ici is the natural French for "French is spoken here." On t'attend means "you are expected." On a volé mon vélo is what you say when your bike has been stolen. The être-passive sounds formal, often heavy, and sometimes literary; on + active is the workhorse of spoken and casual written French.

This page is a B1 page because the on substitution is one of the most consequential register choices a learner makes. Get this right and your French will sound natural; get it wrong and even fluent-looking sentences will betray a translation accent.

What is on?

On is a generic third-person singular subject pronoun. It has no exact equivalent in English. Depending on context, it covers a range of meanings:

• One (philosophical, generic): On ne sait jamais. — "One never knows."
• People (collective): On dit que... — "People say that..."
• Someone (unidentified): On a sonné à la porte. — "Someone rang the bell."
• We (informal, especially in spoken French): On y va ? — "Shall we go?"
• They (in passive-rendering contexts): On vous attend. — "You are awaited."

The verb after on is always conjugated in the third-person singular form, like il or elle. On parle, on a parlé, on parlera, on parlerait.

What makes on so useful for replacing the passive is its semantic flexibility: it can stand in for any unspecified, generic, or implied agent. Where English would suppress the agent through the passive (the bike was stolen), French foregrounds a vague on and keeps the verb active (on a volé le vélo).

When on + active replaces a passive

On + active is the natural French substitute when one of three conditions holds:

1. The agent is unknown — "someone did it, we don't know who."
2. The agent is generic or irrelevant — "anyone could be the agent; the focus is the action or its result."
3. The register is casual — even when an agent could be named, in everyday speech French speakers prefer to suppress it through on.

These three conditions overlap with English's reasons for using the passive, but English handles them with the be + past participle construction, while French handles them with on + active.

Side-by-side examples

The clearest way to internalize the substitution is to see English passives lined up next to their French on + active equivalents.

In each pair, the English version uses the passive (be + past participle); the French version uses an active verb with on as subject. Both express the same meaning. The French version is what a native speaker would produce in unprompted speech.

Why French prefers on over the passive

There are two reasons French has drifted toward on where English uses the passive.

1. The être-passive is morphologically heavy

A French passive in the passé composé requires three morphological pieces: the auxiliary avoir, the past participle été, and the agreed past participle of the main verb. La maison a été construite — avoir (a) + été + construite. Compare with the on alternative: on a construit la maison — just two pieces (avoir + construit) and no agreement to track.

Across an entire paragraph, the passive accumulates structural weight. La banque a été cambriolée, les coffres ont été vidés, les bijoux ont été emportés sounds plodding. On a cambriolé la banque, on a vidé les coffres, on a emporté les bijoux moves much more briskly.

2. The passive feels formal or written

Even when it is grammatical, the passive in French carries a register signal: it suggests journalism, officialese, academic writing, or literary prose. In a casual conversation, a French speaker rarely produces a passive. They produce an on-active. So when a learner deploys passives where natives would use on, the result feels stiff — not wrong, but tonally wrong.

This is especially noticeable in spoken contexts. Le rendez-vous a été annulé sounds like something a receptionist might say in a formal email. On a annulé le rendez-vous is what a friend says when telling you the meeting fell through.

Other ways to avoid the passive

On is the most common substitute, but it is not the only one. French has at least three other strategies for sidestepping the être-passive.

Pronominal passive (se + verb)

For non-human subjects describing habits, customs, or general truths, French uses the pronominal passive: subject + se + verb in the third person.

The pronominal passive overlaps with on + active for inanimate subjects: le français se parle and on parle français are near-synonyms. The pronominal version emphasizes a habitual or characterizing reading; the on version is more about the act. See the pronominal passive page for the full picture.

Active rephrasing with a specific subject

When the agent is actually known and could be named, the simplest fix is to recover the active sentence: La lettre a été envoyée par Marie → Marie a envoyé la lettre.

This is the same advice English style guides give writers: prefer the active when the agent is known. French applies it more aggressively than English, treating the passive as a marked choice rather than a neutral one.

Impersonal il y a / il est constructions

For some passives describing general states or existences, the impersonal constructions il y a, il existe, or il est (formal) can replace a passive.

These are restricted to specific patterns but are highly idiomatic where they fit.

When the être-passive is still the right choice

The on substitution is so reflexive that learners sometimes assume the passive should always be avoided. That is wrong. The être-passive remains the right choice in three legitimate contexts.

When the agent is named and matters

If you want to identify a specific agent — for art-historical, journalistic, or factual reasons — the passive is the natural way to keep the topic on the receiver while still naming the doer.

In these cases, on + active would be wrong: it would erase the named agent.

When the receiver of the action is the topic

In journalistic, academic, or legal writing, the être-passive lets the writer keep a topic constant across sentences when it is not the agent. This is the same logic English style guides describe — the passive is appropriate when the patient is the topic.

The repeated topic is le suspect, who is not the agent of any of these verbs. The passive keeps him as the grammatical subject across the paragraph, which improves coherence.

Formal, official, or written register

In legal, administrative, or formal texts, the passive is the expected register. Switching to on + active in those contexts would feel inappropriately casual.

Drill: rewrite the English passive in French

For each English passive, the most natural French is on + active.

In each case, the French sentence sounds idiomatic and the corresponding être-passive would feel slightly off in casual contexts. The être-passive versions are not ungrammatical — they are simply not what a native speaker would produce in spoken French.

On and English ambiguity

One subtle point worth flagging: because on covers "we," "people," "someone," and "they" all at once, an English speaker hearing on needs to use context to decide what it means. On y va almost always means "we're going." On l'a vu hier could mean "we saw him yesterday" or "someone saw him yesterday" or "he was seen yesterday." Context disambiguates.

This flexibility is what makes on such an efficient passive substitute. The same pronoun lets you avoid pinning down whether the agent is "we," "someone," or "anyone" — a vagueness the passive achieves in English by suppressing the agent altogether.

Comparison with English

English has nothing quite like French on. The closest analogues are:

• One, used in formal English (one never knows) — but one is increasingly rare in casual English, while on is universal in casual French.
• They, in the impersonal sense (they say it's going to rain) — close in meaning, but limited to certain verbs.
• You, in the generic sense (you can't smoke in here) — the most common modern English equivalent.
• People, used overtly (people don't say that anymore) — closest semantic match in some contexts.
• The passive itself (it is said, it is done) — the structural equivalent in English where French uses on.

The mismatch between English passive and French on is one of the deepest contrasts between the two languages' style preferences. English passive feels neutral; French passive feels formal. To produce idiomatic French you must overcome the impulse to translate English passive directly.

Common Mistakes

Key takeaways

• French uses the passive voice less than English. The default substitute in casual speech and writing is on + active verb.
• On is a generic third-person singular subject. It can mean "one," "people," "someone," "we," or "they" depending on context.
• Verb after on is always third-person singular.
• Use on
  • active when the agent is unknown, generic, or simply not the focus — which covers most everyday English passives.
• The être-passive is still appropriate when the agent is named (peint par Monet), when the receiver is the sustained topic, or when the register is formal or written.
• Other passive substitutes: pronominal passive (le français se parle) for habits and characterizations of inanimate subjects; active rephrasing when the agent is known.
• Train the reflex: every time you start to translate an English passive into French, ask "could on do this?" In conversation, the answer is almost always yes.