1 Nephi 19:2
And I knew not at the time when I made them
that I should be commanded of the Lord to make these plates;
wherefore, the record of my father, and the genealogy of his fathers,
and the more part of all our proceedings in the wilderness
are engraven upon those first plates of which I have spoken;
wherefore, the things which transpired before I made these plates
are, of a truth, more particularly made mention upon the first plates.
And I knew not at the time when I made them
knew - 5 occurrences in 4 verses - 1 Nephi 16:2, 17:19, 18:13, 19:2
knew not - 2 occurrences in 2 verses - 1 Nephi 18:13, 19:2