That my joy may be in you (hina hē chara hē emē en humin ēi). Purpose clause with hina and the present subjunctive ēi (some MSS. have meinēi, may remain), Christ’s permanent absolute joy in the disciples.
And that your joy be fulfilled (Kai hē chara humōn plērōthēi). Same construction with first aorist (effective) passive subjunctive of plēroō, consummation of the process preceding.