* Noun: This is the most common use of "flow," referring to the movement of a liquid, gas, or electricity.
* Example: "The flow of the river was strong."
* Verb: This is used to describe the movement of a liquid, gas, or electricity.
* Example: "The water flowed over the dam."
* Adjective: This is less common, but can be used to describe something that moves smoothly and continuously.
* Example: "She had a flowing gown."
Let me know if you have a specific sentence in mind, and I can tell you the part of speech for "flow" in that context!