I didn't know him until you had told me .有个小问题.I didn't know him until you had told me.书上的一句话,那应该是我不知道他在前,那应该是我不知道他用过去完成时,而不是像这句话的是你告诉我用过去完成时,

问题描述:

I didn't know him until you had told me .有个小问题.
I didn't know him until you had told me.书上的一句话,那应该是我不知道他在前,那应该是我不知道他用过去完成时,而不是像这句话的是你告诉我用过去完成时,

这句话应这样理解,直到你告诉我之后我才知道他,你告诉我是用过去完成时,我知道他用过去时.