Does the sentence Jason worked hard to finish project have an adverb and adjective?

Yes, the sentence "Jason worked hard to finish the project" has an adverb and an adjective.

* Adverb: Hard modifies the verb "worked," describing how Jason worked.

* Adjective: There is no adjective in the sentence. "Project" is a noun.

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