it came to pass. As in Luke 3:1. The 1611 edition of the Authorized Version reads "and it came to pass".
praying. Note the occasions of the Lord's praying: here; Luke 6:16; Luke 6:12; Luke 9:18; Luke 9:28; Luke 11:1; Luke 22:41-44.
the heaven. Singular. See notes on Matthew 6:9; Matthew 6:10.