我从未想到会在这儿看见你.(暗含的意思是：没想到,但是却在这里看见你了)
Little did dream I would see you here
did后应该是少了一个"I"
这里用的是虚拟语气.首先 否定词Little 提前用来强调 “从未”,句子用助动词did来倒装.
如果用顺序 应该是 I dreamed little （that）I would see you here.
第一个I是主句的主语 dreamed主语谓语 little副词
I would see you here是 宾语从句