Hebrews 8:4

On earth

(επ γης). As opposed to εν τοις ουρανοις (verse Hebrews 8:1). Condition of second class, determined as unfulfilled.He would not be a priest at all

(ουδ' αν ην ιερευς). "Not even would he be a priest." Conclusion of second class condition with αν and imperfect indicative (ην).Seeing there are those

(οντων των). Genitive absolute with οντων (from ειμ) and the articular present active participle of προσφερω (verse Hebrews 8:3). Jesus was not of the tribe of Levi and so could not serve here.