What part of speech is restoring?

"Restoring" can be a few parts of speech, depending on how it's used in a sentence:

* Verb (present participle): This is the most common usage. Example: "She is restoring the old painting."

* Adjective: Describing something that is in the process of being restored. Example: "The restoring process is taking a long time."

* Noun: Referring to the act of restoring something. Example: "The restoring of the ancient temple was a major undertaking."

It's important to look at the context to determine the specific part of speech.