Plural dos substantivos compostos (des chefs-d'œuvre)
s, mas verbos e preposições são invariables.
Grammar Rule in 30 Seconds
Compound nouns pluralize based on their parts: nouns and adjectives usually take an 's', while verbs and prepositions stay frozen.
- Nouns and adjectives pluralize: {un|m} chou-fleur → {des|m} choux-fleurs.
- Verbs, adverbs, and prepositions stay singular: {un|m} porte-clés → {des|m} porte-clés.
- If there is a preposition, only the first noun pluralizes: {un|m} chef-d'œuvre → {des|m} chefs-d'œuvre.
Overview
chef-d'œuvre e se perguntou por que o plural não é simplesmente chefs-d'œuvres? Ou por que algumas palavras francesas parecem jogar um jogo de 'quem fica com o s' enquanto outras permanecem idênticas no singular e no plural? Você não está sozinho.How This Grammar Works
Formation Pattern
s. Exemplo: des choux-fleurs.
s. Exemplo: des coffres-forts.
des chefs-d'œuvre.
s no plural. Exemplo: des gratte-ciels.
When To Use It
longs-métrages (longas-metragens) da Netflix ou organizando seus rendez-vous (compromissos) no Google Calendar.Common Mistakes
s em tudo o que veem. Lembre-se: verbos e preposições nunca recebem s em substantivos compostos.Contrast With Similar Patterns
Quick FAQ
P: Sigo as regras tradicionais ou as reformas de 1990? R: Ambas estão tecnicamente corretas! Para exames universitários, as regras tradicionais costumam ser mais seguras, mas na vida diária as reformas (como des après-midis) são muito populares.
Pluralization Logic Table
| Structure | Rule | Example (Singular) | Example (Plural) |
|---|---|---|---|
|
Noun + Noun
|
Both pluralize
|
chou-fleur
|
choux-fleurs
|
|
Noun + Adjective
|
Both pluralize
|
coffre-fort
|
coffres-forts
|
|
Verb + Noun
|
Only noun pluralizes
|
porte-clés
|
porte-clés
|
|
Preposition + Noun
|
Only noun pluralizes
|
arc-en-ciel
|
arcs-en-ciel
|
|
Noun + Prep + Noun
|
Only first noun pluralizes
|
chef-d'œuvre
|
chefs-d'œuvre
|
|
Adjective + Noun
|
Both pluralize
|
grand-mère
|
grands-mères
|
Meanings
The process of making compound nouns (words joined by hyphens or spaces) plural by applying specific grammatical constraints to their components.
Noun + Adjective
Both components take the plural suffix.
“Des coffres-forts”
“Des sourds-muets”
Verb + Noun
Only the noun pluralizes if it makes sense logically.
“Des porte-avions”
“Des garde-manger”
Prepositional Phrases
Only the first noun pluralizes.
“Des chefs-d'œuvre”
“Des arcs-en-ciel”
Reference Table
| Estrutura | Regra | Exemplo Singular | Exemplo Plural |
|---|---|---|---|
|
Subst. + Subst.
|
Ambos pluralizam
|
un chou-fleur
|
des choux-fleurs
|
|
Subst. + Adj.
|
Ambos pluralizam
|
un coffre-fort
|
des coffres-forts
|
|
Subst. + Prep + Subst.
|
Apenas o 1º pluraliza
|
un chef-d'œuvre
|
des chefs-d'œuvre
|
|
Verbo + Subst.
|
Subst. pluraliza (1990)
|
un gratte-ciel
|
des gratte-ciels
|
|
Advérbio + Subst.
|
Apenas o Subst.
|
un haut-parleur
|
des haut-parleurs
|
|
Verbo + Verbo
|
Invariável
|
un laissez-passer
|
des laissez-passer
|
Espectro de formalidade
Ces œuvres sont des chefs-d'œuvre. (Art critique)
Ce sont des chefs-d'œuvre. (Art critique)
C'est du lourd, ces chefs-d'œuvre. (Art critique)
C'est de la bombe, ces chefs-d'œuvre. (Art critique)
Quem ganha o 's' do plural?
Substantivos e Adjetivos
- des coffres-forts cofres
- des choux-fleurs couves-flores
Verbos e Preposições
- des porte-clés chaveiros
- des laissez-passer passes
Tradicional vs. Reforma de 1990
Fluxograma do Plural
Tem preposição como 'de' ou 'en'?
É Subst + Subst ou Subst + Adj?
Tipos Comuns de Nomes Compostos
Objetos Diários
- • des porte-clefs
- • des essuie-mains
- • des tire-bouchons
Natureza/Comida
- • des choux-fleurs
- • des oiseaux-mouches
- • des arcs-en-ciel
Profissional
- • des comptes-rendus
- • des rendez-vous
- • des chefs-d'œuvre
Exemplos por nível
J'ai deux choux-fleurs.
I have two cauliflowers.
Voici des porte-clés.
Here are some keychains.
Il a des beaux-frères.
He has brothers-in-law.
Ce sont des coffres-forts.
These are safes.
Les arcs-en-ciel sont beaux.
The rainbows are beautiful.
Il y a des gratte-ciels ici.
There are skyscrapers here.
J'ai acheté des garde-manger.
I bought some pantries.
Ce sont des chefs-d'œuvre.
These are masterpieces.
Les oiseaux-mouches volent vite.
The hummingbirds fly fast.
Les sourds-muets utilisent la langue des signes.
The deaf-mutes use sign language.
Il faut nettoyer les pare-brise.
You must clean the windshields.
Les pots-de-vin sont illégaux.
Bribes are illegal.
Les états-majors ont décidé de la stratégie.
The staff headquarters decided on the strategy.
Les garde-fous sont nécessaires.
Safeguards are necessary.
Les arrière-boutiques sont sombres.
The back shops are dark.
Les avant-postes ont été attaqués.
The outposts were attacked.
Les garde-chasses surveillent la forêt.
The gamekeepers watch the forest.
Les porte-paroles ont fait une déclaration.
The spokespeople made a statement.
Les contre-attaques furent décisives.
The counterattacks were decisive.
Les demi-tours sont interdits.
U-turns are prohibited.
Les garde-robes sont pleines de vêtements.
The wardrobes are full of clothes.
Les chasses-neiges déblaient la route.
The snowplows clear the road.
Les timbres-postes sont rares.
The postage stamps are rare.
Les garde-meubles sont sécurisés.
The furniture storage units are secure.
Fácil de confundir
Learners try to add 's' to the end of everything.
Learners pluralize the verb.
Learners pluralize the last noun.
Erros comuns
portes-clés
porte-clés
coffre-forts
coffres-forts
chefs-d'œuvres
chefs-d'œuvre
garde-fous
garde-fous
Padrões de frases
J'ai acheté des ___.
Ces ___ sont magnifiques.
Il faut installer des ___.
Les ___ sont interdits ici.
Real World Usage
Regardez ces arcs-en-ciel !
J'ai perdu mes porte-clés.
J'ai géré des états-majors.
Où sont les chemins de fer ?
Je veux des choux-fleurs.
Ce sont des chefs-d'œuvre.
Identifique o Verbo
A Regra da Preposição
O Debate de 1990
des gratte-ciel sem o 's' final.Smart Tips
Analyze the parts before pluralizing.
Do not add an 's'.
Only pluralize the first noun.
Pluralize it too.
Pronúncia
Liaison
The 's' in plural compound nouns often triggers a liaison if the next word starts with a vowel.
Rising at the end
Des chefs-d'œuvre↗?
Questioning if they are masterpieces.
Memorize
Mnemônico
Nouns and Adjectives are the 'Active' players who change, while Verbs and Prepositions are 'Frozen' in time.
Associação visual
Imagine a 'coffre-fort' (safe) growing two 's' arms because it's a noun and adjective, while a 'porte-clés' (keychain) stays frozen like an ice cube because it starts with a verb.
Rhyme
Nouns and adjectives take the 's', verbs and prepositions stay in their dress.
Story
The Chef-d'œuvre (masterpiece) went to the store. He was a noun, so he took his 's' friend. But the 'porte-clés' (keychain) stayed at home, frozen in his verb-shell, refusing to change.
Word Web
Desafio
Find 5 compound nouns in a French newspaper and write their plural forms in 5 minutes.
Notas culturais
Compound nouns are very common in French administration and culinary arts.
Quebec French often uses anglicized compound nouns, but the plural rules remain the same.
Belgian French uses specific compound nouns for local food.
Compound nouns in French evolved from Latin phrases that became lexicalized over time.
Iniciadores de conversa
Quels sont tes chefs-d'œuvre préférés ?
As-tu des porte-clés originaux ?
Penses-tu que les gratte-ciels sont beaux ?
Connais-tu des garde-fous pour cette loi ?
Temas para diário
Erros comuns
Test Yourself
Le Louvre possède de nombreux __.
Escolha a frase gramaticalmente correta:
Find and fix the mistake:
Il y a beaucoup de grattes-ciel à Chicago.
Score: /3
Exercicios praticos
8 exerciseschou-fleur
Des ___
Find and fix the mistake:
Il a des chefs-d'œuvres.
Le coffre-fort est lourd.
arc-en-ciel
des / gratte-ciels / sont / hauts
Which is a verb+noun?
garde-fou
Score: /8
Practice Bank
10 exercisesRegarde ces beaux __ dans le jardin.
Mes deux __ sont nés en Bretagne.
Nous avons vu trois arcs-en-ciels après l'orage.
Les __ sont sur la table.
Combine as formas:
loué / avons / nous / des / longs-métrages
J'aime passer mes __ à la bibliothèque.
Où sont les __ ?
Il a des sourcils-en-batailles.
Les __.
Score: /10
Perguntas frequentes (8)
If they are verbs or prepositions, they are invariable.
Look at the infinitive form. If it's a verb, it won't change.
Yes, some words have become lexicalized over time.
Most compound nouns use hyphens, but some don't.
It's used in all registers.
When in doubt, check a dictionary.
Only if both are nouns or adjectives.
Because it's a prepositional phrase structure.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Nombres compuestos
Spanish usually pluralizes the last element only.
Komposita
German uses a single word without hyphens.
Compound nouns
English pluralizes the head noun, not the whole phrase.
Fukugō meishi
Japanese nouns are invariable.
Al-asma' al-murakkaba
Arabic grammar is entirely different.
Fùhé míngcí
Chinese lacks morphological pluralization.
Learning Path
Prerequisites
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