Galatians 6:10

As we have opportunity (w kairon ecwmen). Indefinite comparative clause (present subjunctive without an). "As we have occasion at any time." Let us work that which is good (ergazwmeqa to agaqon). Volitive present middle subjunctive of ergazomai, "Let us keep on working the good deed." Of the household of faith (tou oikeiou th pistew). For the obvious reason that they belong to the same family with necessary responsibility.