* Noun: This is the most common usage. It refers to a group of people who associate together, often for criminal or antisocial purposes.
* Example: "The gang was involved in a robbery."
* Verb: This usage is less common but still valid. It means to form a group, often with the intention of causing trouble.
* Example: "The kids ganged up on the smaller boy."
* Adjective: This usage is even less common, but it can be used to describe something that is associated with a gang.
* Example: "He was wearing a gang symbol on his shirt."
So, to determine the part of speech of "gang," you need to consider how it is used in a sentence.