1 Nephi 17:19

And now it came to pass that I, Nephi, was exceedingly sorrowful

because of the hardness of their hearts;

and now when they saw that I began to be sorrowful

they were glad in their hearts,

insomuch that they did rejoice over me, saying:

We knew that ye could not construct a ship,

for we knew that ye were lacking in judgment;

wherefore, thou canst not accomplish so great a work.

We knew that ye could not construct a ship,

could - 8 occurrences in 8 verses - 1 Nephi 16:21,   17:18, 19, 45, 50, 52,   18:12, 20

could not - 4 occurrences in 4 verses - 1 Nephi 17:19, 45, 52,   18:12