I don't understand why people sometimes use ' du ' instead of 'des' when the meaning of both articles is the same. For example, "some pencils". When is it correct to use " Du " and when should I use "de". I recently strengthened my Food category in French and I keep messing up on the " du " and "de". To say 'some' or 'any' in French, use: du before a masculine word, eg Je mange du pain le matin (I have [some] bread for breakfast); de la before a feminine. An adjective may change the article: A precise quantity, or a vague one. Comments or questions about this page? It's just a little grammatical item. This page has been archived and is no longer updated. De, du, de la, des in French October 17, October 17, by Pascal Dherve. As you can see with uncountable words there is no plural des , exception for words we rarely use in the singular: Activity Nouns and articles Join the Cannes celebs to discover top lifestyle tips! The singular is used because cheese is a substance, and I'm eating an indeterminate amount of that substance. The word du is always a contraction of de le. Send to Email Address Your Name Your Email Address jQuery document.