So long time (tosouton chronon). Accusative of extent of time.
And dost thou not know me? (kai ouk egnōkas me). Perfect active indicative of ginōskō. Jesus patiently repeats his language to Philip with the crisp statement: “he that hath seen me hath seen the Father” (ho heōrakōs eme eōraken ton patera). Perfect active participle and perfect active indicative of horaō, state of completion.