Again on the morrow (τη επαυριον παλιν). Third day since verse John 1:19.

Was standing (ιστηκε). Past perfect of ιστημ, intransitive, and used as imperfect in sense. See same form in John 7:37.

Two (δυο). One was Andrew (verse John 1:40), the other the Beloved Disciple (the Apostle John), who records this incident with happy memories.