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Day 22: Common Adjectives & Agreement

Learn how French adjectives agree in gender and number, master irregular forms, and know when they go before or after the noun.

Pascal: Adjectives are the colour in your French sentences. Without them, everything sounds flat: une maison versus une grande maison ancienne — one paints a picture, the other doesn't. Today we make sure your adjectives always agree, and always sit in the right place.

🎯 Today's Mission

  • Learn the basic agreement pattern (add -e, -s, -es).
  • Master adjectives that don't change and irregular forms.
  • Learn the BAGS rule for adjective placement.
  • Build full descriptive sentences confidently.

📄 Document Déclencheur

Petite annonce — Vide-grenier de quartier: À vendre : une jolie table ancienne, un grand miroir, des chaises rouges, un vieux vélo (bon état). Prix bas ! Venez nombreux samedi matin.

Qu'est-ce que tu remarques ?

  • Quel adjectif est placé AVANT le nom "table" ? → jolie (BAGS — beauté)
  • Quel adjectif décrit la couleur et va APRÈS le nom "chaises" ? → rouges
  • Pourquoi "vieux vélo" et pas "vélo vieux" ? → vieux est un adjectif BAGS (Âge), donc il précède le nom

Section 1: The Basic Agreement Pattern

Pascal says: English adjectives are lazy — they never change. French adjectives are polite — they adapt to whoever they're describing. Once you get the rhythm, it actually feels elegant!

| Form | Ending | Example | |

|

--|

| | Masculine singular | base form | grand [grahn] | | Feminine singular | + e | grande [grahn-d] | | Masculine plural | + s | grands [grahn] | | Feminine plural | + es | grandes [grahn-d] |

More examples:

  • un livre intéressant / une histoire intéressante — an interesting book / an interesting story
  • un chat noir / une chatte noire — a black cat (m/f)
  • des garçons intelligents / des filles intelligentes — smart boys / smart girls

How do you make 'grand' agree with a feminine plural noun?

Section 2: Adjectives That Don't Change in the Feminine

Some adjectives already end in -e, so they stay the same for masculine/feminine (but still add -s for plural):

  • jeune [jœn] — young: un jeune homme / une jeune femme
  • facile [fah-seel] — easy: un exercice facile / une question facile
  • sympathique [saN-pah-teek] — nice: un ami sympathique / une amie sympathique
  • rouge [rooj] — red: un chapeau rouge / une robe rouge
  • calme [kalm] — calm: un enfant calme / une classe calme

Mini-dialogue:

Théo : Ta nouvelle amie, elle est comment ? Your new friend, what's she like? Sara : Elle est jeune et très sympathique ! She's young and very nice!

Which of these adjectives does NOT change between masculine and feminine?

Section 3: Irregular Adjectives

Some adjectives have irregular feminine forms that must be memorised:

| Masculine | Feminine | English | |

--|

-|

| | vieux [vyuh] | vieille [vyay] | old | | heureux [uh-ruh] | heureuse [uh-ruhz] | happy | | gentil [jahn-tee] | gentille [jahn-tee] | kind | | beau [boh] | belle [bell] | beautiful | | nouveau [noo-voh] | nouvelle [noo-vell] | new |

Note: beau, nouveau, and vieux have a special extra masculine form (bel, nouvel, vieil) used only right before a masculine noun starting with a vowel or silent h — e.g. un bel homme (a handsome man), un vieil ami (an old friend).

  • un vieux château / une vieille maison — an old castle / an old house
  • il est heureux / elle est heureuse — he is happy / she is happy
  • un beau jardin / une belle vue — a beautiful garden / a beautiful view

What is the feminine form of 'vieux' (old)?

Which special masculine form of 'beau' is used before a vowel, as in 'a handsome man'?

Section 4: Position — Before or After the Noun?

In French, most adjectives go after the noun. But a small group of common adjectives goes before.

BAGS adjectives (Beauty, Age, Goodness, Size) come before the noun:

  • beau / belle — une belle ville (a beautiful city)
  • ancien / ancienne — un ancien ami (a former friend)
  • grand / grande — un grand bâtiment (a big building)
  • small = petit / petite — une petite fille (a little girl)

Other BAGS-style examples: bon/bonne (good), jeune (young), joli/jolie (pretty), nouveau/nouvelle (new), mauvais/mauvaise (bad).

  • une bonne idée — a good idea
  • un jeune homme — a young man
  • une jolie robe — a pretty dress

Pascal's Tip: When in doubt, put the adjective after the noun — you'll be right about 80% of the time. Then memorise BAGS for the exceptions: Beauty, Age, Goodness, Size!

🔊 Phonétique: Watch the final consonants in these adjectives — masculine forms often go silent while feminine forms wake them up. Grand [grahn] has a silent d, but grande [grahn-d] pronounces it. Same with petit [puh-tee] → petite [puh-teet]: the feminine -e forces the final consonant to sound. That silent-to-sounded shift IS the agreement, as much as the spelling.

Civilisation

Pascal says: The BAGS rule isn't just grammar trivia — French speakers genuinely notice when it's broken, the same way an English speaker notices "the blue big house" instead of "the big blue house." Word order carries real weight in descriptions: placing an adjective before the noun (une belle histoire) can add emotional or subjective flavour, while the same adjective after the noun (in the rare cases both are grammatical, like ancien) can shift the meaning — un ancien collègue is a former colleague, but un collègue ancien would describe an old (aged) colleague. Position isn't decoration in French; it can change what you're actually saying.

Where do most French adjectives go relative to the noun?

Which of these adjectives is part of the BAGS group and goes before the noun?

Common Mistakes

  • une fille intelligent → ✅ une fille intelligente — remember to add -e for feminine agreement.
  • des enfants gentil → ✅ des enfants gentils — plural needs the -s ending too.
  • une maison grande → ✅ une grande maisongrand is a BAGS adjective and goes before the noun.
  • une vieux voiture → ✅ une vieille voiturevieux has an irregular feminine form, don't just add -e.

Which sentence is correctly formed?

Complete: 'Ce sont des amis très ___.' (kind, plural)

Recap

  • Most adjectives add -e for feminine and -s for plural.
  • Adjectives already ending in -e don't change for feminine (but still add -s for plural).
  • Some adjectives are irregular: vieux → vieille, beau → belle, heureux → heureuse.
  • Most adjectives follow the noun; BAGS adjectives (beau, ancien, grand, petit, bon, jeune...) precede it.

Agissons !

Describe three objects around you right now in French — pick one BAGS adjective (like petit, grand, or joli) and one regular adjective (like rouge or intéressant), and place each correctly before or after its noun. Say the sentences out loud.

✨ Coming Up Next...

Pascal: Tomorrow we head into the kitchen! You'll learn essential food and drink vocabulary — fruits, vegetables, proteins, and how to say what you like and dislike eating. À demain!

Bonjour! Prêt à continuer la leçon? Allons-y!