What part of speech is reading?

"Reading" can be multiple parts of speech depending on how it's used in a sentence. Here are the most common:

* Verb: When it describes the action of looking at and understanding written words.

* Example: "I am reading a book."

* Noun: When it refers to the act of reading itself, or the skill of reading.

* Example: "Reading is fundamental to learning."

* Example: "She has excellent reading comprehension."

* Gerund: When it acts as a noun, but is formed from a verb with "-ing".

* Example: "Reading is my favorite hobby."

Let me know if you have a specific sentence in mind, and I can tell you the part of speech of "reading" in that context!