* Noun: This is the most common usage. It refers to objects or matters in general.
* Example: "I need to buy some things at the store."
* Pronoun: It can act as a pronoun, replacing a noun phrase.
* Example: "I saw a lot of things at the museum, but I can't remember them all."
* Adjective: Sometimes "things" can be used as an adjective, describing something as being of great importance or consequence.
* Example: "The things I have learned from you are invaluable."
Let me know the sentence you're working with, and I can tell you the part of speech in that specific context!