Few Americans speak fluent french . Is there only one adjective in the sentence and it modifies french?

You're right! There's only one adjective in the sentence: fluent. It modifies the noun French, describing the specific type of French spoken.

Here's why the other words aren't adjectives:

* Few is a quantifier, indicating a small number.

* Americans is a noun, the subject of the sentence.

* speak is a verb, describing the action.

Let me know if you have any other sentences you'd like to analyze!