1 Nephi 17:43

And now, after all these things,

the time has come that they have become wicked,

yea, nearly unto ripeness;

and I know not but they are at this day about to be destroyed;

for I know that the day must surely come

that they must be destroyed, save a few only,

who shall be led away into captivity.

And now, after all these things,

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