* Verb: This is the most common use. Example: "They communicate effectively."
* Noun: This is less common, but can refer to the act of communicating. Example: "Open communicate is key to a successful relationship."
* Adjective: While not as common, you can use "communicate" as an adjective to describe something that helps with communication. Example: "They have a communicate style."
Let me know if you'd like examples of specific uses of "communicate" in a sentence.