Subject-Verb Agreement in French: Rules, Exceptions, and Tricky Cases
Subject-Verb Agreement in French: Tricky Rules, Exceptions, and Common Traps
In French grammar, the core rule of subject-verb agreement (l'accord sujet-verbe) sounds straightforward: the verb must match its subject in both number (singular or plural) and person (first, second, or third). For instance, l'étudiant écoute (singular) becomes les étudiants écoutent (plural).
However, intermediate and advanced learners quickly discover that French syntax presents multiple nuances. Complex word order, collective nouns, relative clauses, and indefinite pronouns can disguise the actual subject. Mastering these special cases is essential for writing accurate, professional French and achieving fluency.
1. Multiple Subjects and Mixed Persons
- Le guide et le visiteur marchent vers le musée.
When two or more singular nouns are joined by « et » (and), they form a compound plural subject:
- First person takes precedence over second and third (equivalent to nous):
- Mon collègue et moi travaillons sur ce projet. (1st person plural)
- Second person takes precedence over third (equivalent to vous):
- Ton frère et toi devez prendre une décision. (2nd person plural)
- If only one subject can perform the action, use the singular:
- Marc ou Sophie sera élu président du club. (Only one can win).
- If both subjects can perform the action together, use the plural:
- La pluie ou le froid n'empêchent pas leur départ.
- With ni... ni, the plural is most common: Ni la pluie ni le vent ne ralentissent la course. Use singular only when mutually exclusive (Ni l'un ni l'autre n'est coupable).
When subjects belong to different grammatical persons, the verb follows a strict hierarchy:
The Cases of « Ou » (Or) and « Ni... Ni » (Neither... Nor)
2. Collective Nouns and Quantifiers
One of the biggest differences between English and French lies in how collective nouns are treated.
Ordinary Collective Nouns (une foule de, un groupe de)
- L'équipe a gagné le championnat.
Unlike British English, which often uses plural verbs with collective nouns ("the team are playing"), standard French syntax generally requires singular agreement when the noun acts as a unified whole:
- Focus on the whole: Une foule de touristes remplit le musée. (Singular)
- Focus on the individuals: Une foule de touristes prenaient des photos. (Plural)
When a collective noun is followed by a plural complement (une foule d'admirateurs), agreement depends on the semantic focus:
Quantifiers Requiring Plural Verbs
- La plupart (most):
- La plupart des invités sont arrivés.
- La plupart pensent le contraire.
- Adverbs of quantity (beaucoup de, peu de, trop de, combien de):
- Beaucoup de gens aiment cette ville. (Plural)
- Peu d'eau a coulé. (Singular, because eau is uncountable/singular).
Some quantifiers always trigger plural agreement, regardless of nuance:
3. The Relative Pronoun « Qui »
A frequent trap occurs when the subject is the relative pronoun « qui ». Remember this critical rule: « qui » adopts the person and number of its antecedent (the noun or pronoun it replaces).
- C'est moi qui ai raison. (Not a – the antecedent is moi, so the verb matches je).
- C'est toi qui as rédigé le rapport ?
- Ce sont les enfants qui ont fait ce dessin.
4. Deceptive Pronouns: « Tout le monde », « Chacun », and « On »
English speakers often struggle here because semantic meaning conflicts with grammatical form:
- Tout le monde translates to "everyone" or "everybody". In French, it is strictly singular:
- Correct: Tout le monde sait cela.
- Incorrect: Tout le monde savent cela.
- Chacun / Chacune means "each one". It always takes a 3rd person singular verb:
- Chacun de nous a ses responsabilités.
- On syntactically always takes a 3rd person singular verb (on part, on mange). Even when on colloquially replaces nous (we), the verb stays singular, though subsequent adjectives take plural agreement: On est fatigués aujourd'hui.
5. Inverted Subjects
In interrogative sentences, literary narrative, or clauses starting with adverbs like peut-être, ainsi, or à peine, the subject is placed after the verb. Do not let the intervening words confuse your conjugation:
- Dans ce village vivent plusieurs artistes connus. (The subject is plusieurs artistes connus).
- Que disent tes amis ?
- À cette liste s'ajoutent trois nouveaux candidats.
Quick Reference Guide
| Expression | Verb Agreement | Example |
|---|---|---|
| :--- | :--- | :--- |
| Plus d'un (more than one) | Singular | Plus d'un voyageur s'est perdu. |
| Moins de deux (fewer than two) | Plural | Moins de deux heures suffisent. |
| C'est vs Ce sont | Ce sont before plural 3rd person nouns | Ce sont nos partenaires. |
| Le nombre de (the number of) | Singular | Le nombre d'abonnés augmente. |
| Un grand nombre de (a large number of) | Usually Plural | Un grand nombre d'inscrits participent. |
1. Identify the True Subject: Strip away prepositional phrases and object pronouns (les, lui, leur). In « Le guide leur donne des instructions », leur is an indirect object, not the subject. The subject is le guide (singular).
2. Verify the Head Noun: In noun phrases with prepositions (l'analyse des données), the verb agrees with the primary noun (l'analyse), not the modifier (des données): L'analyse des données démontre un progrès.
By practicing these specific sentence patterns, you will eliminate agreement errors and write French with confidence and grammatical precision.