Stamped handle of Rhodian amphora, detailing the year (Ἐπὶ Κλειτομάχου) and month (Βαδρομίου) that the vessel was made. Hellenistic Period. Athenian Agora Excavations. Key Terms and Concepts PRIMARY TENSES SECONDARY TENSES AUGMENT AUGMENTING VERBS THAT BEGIN WITH A VOWEL AUGMENTING VERBS WITH PREFIXES Chapter Navigation Key Terms and Concepts Primary and Secondary Tenses The Imperfect Tense The Imperfect: -μι Verbs Verbs with Initial Vowels The Imperfect: Contract Verbs The Imperfect: ἔχω Translation of the Imperfect Prefixes and the Imperfect Exercises 25 Book Nav Classical Readings 24.2 Primary and Secondary Tenses