"I would learn the words [which] He would answer, And perceive what He would say to me.
I would know the words which he would answer me, And understand what he would say unto me.
I would learn what He would answer me, and understand what He would say to me.
know the words with which he would answer, understand what he would say to me.
so that I may know the words that he will answer me and understand what he will say to me.