1 Nephi 17:26

Now ye know that Moses was commanded of the Lord to do that great work;

and ye know that by his word

the waters of the Red Sea were divided hither and thither,

and they passed through on dry ground.

Now ye know that Moses was commanded of the Lord to do that great work;

now - 20 occurrences in 19 verses - 1 Nephi 16:1, 3, 6, 21, 32, 38,   17:19, 25, 26, 33, 43, 48, 51, 52, 55,   18:2, 7, 17,   19:6

now ye know that - 2 occurrences in 2 verses - 1 Nephi 17:25, 26