Latin's Perfect Tense is as regular as a high-fiber diet. This video investigates the way to form this tense, which is either a regular (simple) past tense (I ate), or a completed present (I have eaten). Once you know a verb's principal parts and the endings -ī, -istī, -it, -imus, -istis, -ērunt, the perfect is a breeze.
active voice indicative mood verbs