* The article (Determiner)
* Very: Adverb (Modifying the adjective "fast")
* Fast: Adjective (Modifying the noun "runner")
* Runner: Noun (Subject)
* Finished: Verb (Action)
* Quite: Adverb (Modifying the adverb "easily")
* Easily: Adverb (Modifying the verb "finished")