What part of speech is say in this sentence i could always say?

In the sentence "I could always say," the word "say" is a verb.

Here's why:

* It's the action: The sentence describes the ability to speak or utter something. "Say" is the action being performed.

* It follows the subject "I": The word "say" directly follows the subject "I," which is typical of verb placement in a sentence.

Let me know if you have any other words you'd like to analyze!