1 Nephi 18:3
And I, Nephi, did go into the mount oft,
and I did pray oft unto the Lord;
wherefore the Lord showed unto me great things.
And I, Nephi, did go into the mount oft,
and - 403 occurrences in 132 verses - 1 Nephi 16:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 17:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 18:1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 19:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 21
and I - 14 occurrences in 11 verses - 1 Nephi 16:23, 17:9, 13, 15, 43, 50, 18:3, 10, 16, 19:2, 18
and I Nephi - 3 occurrences in 3 verses - 1 Nephi 18:3, 10, 19:18