The number of endings is a bit mind-boggling, although there are patterns that make it not-so hard. There are different endings for each of the:
- future perfect
Before providing the number, which linguist, classical scholar, and author Nicholas Ostler kindly provides for us in his Ad Infinitum: A Biography of Latin, you should know that we're lucky with Latin because it lacks:
- dual number
- aorist tense
- middle voice and
- extra moods.
Ostler says there 106 possible endings for the verbs.