Marie est plus grande que Paul.
English: Marie is taller than Paul.
The 'comparatif et superlatif' in French are ways to compare people, things, or actions. The comparative shows differences or similarities, and the superlative expresses the highest or lowest degree.
Use the comparative to compare two people or things, saying if one is more, less, or as much as the other. Use the superlative to say that something or someone has the highest or lowest quality in a group.
Marie est plus grande que Paul.
English: Marie is taller than Paul.
Ce livre est moins intéressant que l'autre.
English: This book is less interesting than the other.
Il court aussi vite que son frère.
English: He runs as fast as his brother.
C'est le restaurant le plus cher de la ville.
English: This is the most expensive restaurant in the city.
Elle est la moins bavarde de la classe.
English: She is the least talkative in the class.