L'Article Partitif: du, de la, de l', des

The partitive article — du, de la, de l', des — is one of the things that makes French look different from English on the page. Where English happily writes I drink water, I eat bread, I want coffee with no article at all, French insists on je bois de l'eau, je mange du pain, je veux du café. The partitive marks an unspecified quantity of an uncountable substance: not a particular bread, not bread in general, but some bread, an unmeasured amount of it. English uses bare nouns for this; French uses a small word that English speakers spend their first year forgetting to put in. This page covers the four forms, what kind of nouns trigger them, the negation rule that collapses everything to de, the quantity rule that strips the article away entirely, and the small but important class of cases where French follows English and drops the partitive too.

The four forms

The partitive has four forms, distributed by gender, number, and the first sound of the noun.

The forms reveal their internal logic: each one is built on de + definite article. Du is de + le. De la is de + la. De l' is de + l'. Des is de + les. The partitive literally means "(some) of the [substance]" — and the de is the giveaway that this is the partitive, not something else.

Why French has a partitive at all

The deep reason French has the partitive — and English does not — is that the two languages handle mass nouns differently at the level of grammar.

In English, mass nouns can stand bare. Bread is good for you. I drink coffee. Water is essential. The bare noun does double duty: it can mean bread in general (generic) or some bread (partial), and context decides.

In French, every noun in a sentence position needs a determiner — an article, a possessive, a demonstrative, a number. Bare nouns are illegal in normal sentences. So French had to invent a way to say "some unspecified amount of this mass noun," and that is exactly what du, de la, de l', des are: a determiner that means partial-of-uncountable. The partitive is what French uses where English would simply leave the noun bare.

This is why translation drills feel so artificial in this area: you are not translating a word, you are inserting a small word that has no English counterpart.

Mass nouns vs. count nouns

The partitive applies to mass nouns (also called uncountable nouns) — nouns that describe substances or abstractions you cannot count one-by-one without imposing a unit.

A noun can move between mass and count depending on what you mean by it. Du fromage is some cheese (the substance); un fromage is a cheese (a wheel, a type). De la viande is some meat (the substance); une viande is a kind of meat.

The partitive also works with abstract nouns when the abstract noun is treated as a substance one can have some of: du courage, de la patience, de la chance, du temps, de l'énergie.

Plural des — countable mass

The plural form des appears with countable nouns when you mean an unspecified plural quantity — what English would render as some Xs or just bare Xs.

This des is the same form that the indefinite article uses (the plural of un/une), and behaves the same way grammatically. Some grammarians treat plural des as indefinite rather than partitive; for the learner, the boundary does not matter, because the rules are identical. What matters is that you say des pommes and not pommes.

The negation rule: everything → de

When the verb is negated, the entire partitive series collapses to de (or d' before a vowel) — exactly the same rule as for the indefinite article.

The logic is the same as for the indefinite: du asserts a positive amount; negating it asserts that there is zero, and zero of any gender/number is the same — represented by bare de.

The two exceptions to the negation rule

Two important contexts keep the partitive intact under negation.

1. After être. As with the indefinite article, the partitive survives after être because être identifies rather than measures.

2. Contrastive negation. When the negation contrasts one substance with another, the partitive is preserved on the negated side because the assertion is still about substance type, not quantity.

In flat negation (Je ne bois pas de café — I don't drink coffee, full stop), the de form is correct. The contrastive form is for explicit comparison.

The quantity rule: bare de, no article

After expressions of quantity — beaucoup, peu, assez, trop, un kilo, une bouteille, un verre, etc. — the partitive disappears entirely, and you use de + bare noun.

The error to avoid is keeping the partitive after the quantity word: beaucoup du pain is wrong. Beaucoup de pain is right. The rule applies to all the major quantity words and to container/measure expressions: un litre de lait, une tasse de café, un kilo de tomates.

The one notable exception is la plupart de (most), which keeps a definite article: la plupart des gens (most people), la plupart du temps (most of the time). Here the surface form des is de + les, with a real definite article, not a partitive.

Partitive vs. indefinite vs. definite

The partitive is one of three article systems, each with its own job. They are not interchangeable.

This is the core trio. Le café is the category; du café is some-of-the-substance; un café is one serving (the noun has shifted from mass to count). When you order at a café, you say un café (one cup); when you describe yourself as a coffee drinker, you say je bois du café (I drink coffee, partitive); when you talk about your love for coffee in general, you say j'aime le café (definite). The choice between these — particularly the partitive vs. definite distinction — is so important for learners that it has its own dedicated page.

A subtle case: with appliances and abstract collectives

The partitive shows up in some contexts where English would not even have an obvious "some" reading.

Jouer du piano — literally "play of-the piano" — is the standard idiom for "play the piano." French treats playing an instrument as engaging with some-of-the-instrument, an unspecified quantity of musical activity. Faire du sport, faire de la musique, faire de la peinture, faire de la gym — all use the partitive to describe engaging in an activity. English cannot get at this directly; you just have to memorize that activities of this kind take the partitive in French.

Common Mistakes

Key takeaways

The partitive is what fills the slot where English uses a bare mass noun. Du, de la, de l' for singulars; des for plurals. After a negation it collapses to de; after a quantity word it strips down to de + bare noun; after être and in contrastive negations, it survives intact. The deeper insight: French does not allow bare mass nouns in normal sentences, and the partitive is the small word that fills that gap. Once you train yourself to insert it automatically, the construction becomes invisible — but the years before you train yourself, every English speaker drops it constantly.