1 Nephi 17:51
And now, if the Lord has such great power,
and has wrought so many miracles among the children of men,
how is it that he cannot instruct me, that I should build a ship?
And now, if the Lord has such great power,
if - 13 occurrences in 11 verses - 1 Nephi 16:3, 17:3, 13, 23, 24, 34, 45, 50, 51, 19:6, 19
if the Lord - 2 occurrences in 2 verses - 1 Nephi 17:24, 51
