Insomuch that we exhorted Titus (eis to parakalesai hēmas Titon). Use of eis to and the infinitive for result with accusative of general reference (hēmas). See Robertson, Grammar, p. 1003.
He had made a beginning before (proenērxato). First aorist active indicative of the double compound verb prȯeṅarchomai, still found only here and 2Co 8:10, to make a start before others.
Complete (epitelesei) First aorist (effective) active subjunctive of epiteleō, to finish, with perfective use of epi in composition.