Acts 1

10 And as they were staring into the sky while**Here "while" is supplied as a component of the temporal genitive absolute participle ("was departing") he was departing, behold, two men in white clothing stood by them 11 who also said, "Men of Galilee,*Literally "Galileans" why do you stand there looking*Some manuscripts have "gazing" into the sky? This Jesus who was taken up from you into heaven like this will come back in the same way you saw him departing into heaven!"