Many perfect indicative verb forms make sense when reading the following information:
https://en.m.wikibooks.org/wiki/Latin/Lesson_5-Perfect_Indicative
The (1st person singular) perfect indicative of crescere is however crevi, which is not explained at all on the aforementioned web page, in the case of third conjugation verbs. Is this verb simply irregular, or are there other rules at play? What is going on here?
https://en.m.wikibooks.org/wiki/Latin/Lesson_5-Perfect_Indicative
The (1st person singular) perfect indicative of crescere is however crevi, which is not explained at all on the aforementioned web page, in the case of third conjugation verbs. Is this verb simply irregular, or are there other rules at play? What is going on here?