Musical system of ancient Greece tradition were (; ): These names are derived from Ancient Greek subgroups (Dorians), one small region in central Greece (Locris), and certain neighboring (non-Greek) peoples from Asia Minor (Lydia, Phrygia). The association of these ethnic names with the octave species appears to precede Aristoxenus, who criticized their application to the "tonoi" by the earlier theorists whom he called the Harmonicists . The term "tonos" (pl. "tonoi") was used in four senses: "as note, interval, region of the voice, and pitch. We use it of the region of the voice whenever we speak of Dorian, or Phrygian, or Lydian, or any
Ancient Greek verbs three tenses are used, and they distinguish aspect only, not time: The optative mood likewise uses these three tenses, but there is also a future optative, used mainly to report indirectly what would be a future indicative in direct speech. Ancient Greek has no perfect progressive or past perfect progressive. Thus, the meaning "he has been doing" is typically expressed with the present tense, and "he had been doing (earlier)" is expressed with the imperfect tense: For further information on the endings, see Ancient Greek grammar (tables). Dictionaries of Ancient Greek usually give six principal parts for any verb. For