* Verb: This is the most common usage. "She likes to swing on the swings."
* Noun: This refers to the act of swinging or the object used for swinging. "The swing set was brand new."
* Adjective: This describes something that moves or is intended to move in a swinging motion. "The swing door creaked open."
To determine the part of speech, look at how the word is used in the sentence and what role it plays.