* Noun: This is the most common usage, referring to the body part.
* Example: "He hurt his shoulder playing football."
* Verb: It can also be a verb, meaning to push or carry something with the shoulder.
* Example: "The worker shouldered the heavy crate."
* Adjective: In some cases, "shoulder" can act as an adjective, particularly in phrases like "shoulder-to-shoulder" or "shoulder-high."
* Example: "The soldiers stood shoulder-to-shoulder."
Let me know if you'd like an example sentence using "shoulder" in a particular part of speech.