1 Nephi 15:20

And I did rehearse unto them the words of Isaiah,

who spake concerning the restoration of the Jews, or of the house of Israel;

and after they were restored they should no more be confounded,

neither should they be scattered again.

And it came to pass that I did speak many words unto my brethren,

that they were pacified and did humble themselves before the Lord.

And I did rehearse unto them the words of Isaiah,

I - 32 occurrences in 22 verses - 1 Nephi 15:1, 2, 4, 5, 6, 8, 10, 12, 16, 19, 20, 22, 24, 25, 27, 28, 29, 30, 32, 34, 35, 36

I did - 3 occurrences in 2 verses - 1 Nephi 15:20, 25