Answer:
It's used to present a second negative idea to join a negative idea in the first clause. " Nor" is less common than other coordinating conjunctions, but still joins two (negative) ideas together.
Explanation:
I’m not sure what the question is. “Come” would be the correct present tense for the sentence, but if you need a different word with the same meaning to replace it with, then you can use “arrive” instead.
I hope this helped, if not, then you can reply specifying what the question is.