* Noun: This is the most common usage, referring to the faculty of thought and feeling.
* Example: "She had a brilliant mind."
* Verb: This means to pay attention to, or to object to.
* Example: "Mind your own business."
* Interjection: This is used to express a negative response.
* Example: "Mind! That's hot."
So, to determine the part of speech of "mind" you need to consider its role in the sentence.