It's a bit of a tricky one! While many words ending in "ch" form their plural by adding "es", "French" is an adjective and doesn't change form in the plural.
For example:
* The French people are friendly.
* French cuisine is delicious.
It's a bit of a tricky one! While many words ending in "ch" form their plural by adding "es", "French" is an adjective and doesn't change form in the plural.
For example:
* The French people are friendly.
* French cuisine is delicious.