G0617–ἀποκυλίω–apokuliō

But to their amazement there had been a great earthquake; for an angel of the Lord had descended from Heaven, and had come and rolled back the stone, and was sitting upon it.

ἀπεκύλισεν apekulisen “he rolled away”

and they were saying to one another, `Who will roll away the stone for us from the entrance to the tomb?"

ἀποκυλίσει apokulisei “will roll away”

But then, looking up, they saw that the stone was already rolled back: for it was of immense size.

ἀποκεκύλισται apokekulistai “has been rolled away”

But they found the stone rolled back from the tomb,

ἀποκεκυλισμένον apokekulismenon “rolled away”