if it so be that they harden their hearts against the Lamb of God.

if - 8 occurrences in 8 verses - 1 Nephi 10:18, 21,   11:12,   13:37,   14:1, 5, 6, 30

if it so be that they - 2 occurrences in 2 verses - 1 Nephi 10:18,   14:6