1 Nephi 12:4

And it came to pass that I saw a mist of darkness

on the face of the land of promise;

and I saw lightnings, and I heard thunderings, and earthquakes,

and all manner of tumultuous noises;

and I saw the earth and the rocks, that they rent;

and I saw mountains tumbling into pieces;

and I saw the plains of the earth, that they were broken up;

and I saw many cities that they were sunk;

and I saw many that they were burned with fire;

and I saw many that did tumble to the earth, because of the quaking thereof.

and I saw many cities that they were sunk;

they - 66 occurrences in 40 verses - 1 Nephi 10:3, 6, 11, 12, 14, 18,   11:28, 29, 30, 31, 34, 35,   12:4, 7, 9, 10, 15, 17, 20, 23,   13:9, 10, 13, 14, 15, 20, 23, 24, 26, 27, 32, 35, 37, 40, 41,   14:2, 6, 14, 23, 26

they were - 13 occurrences in 10 verses - 1 Nephi 11:29, 31, 34, 35,   12:4, 7, 15,   13:14, 15,   14:14