What part of speech is the word fallen?

"Fallen" can be two different parts of speech depending on its use:

* Adjective: Describing something that has fallen, as in "The fallen leaves were scattered across the lawn."

* Verb (past participle): Part of a verb phrase, often used as a past participle or in passive voice, as in "The tree has fallen."

To determine the part of speech, look at how the word is used in the sentence and what it modifies.