We were to have told you,but you were not in.

题目

We were to have told you,but you were not in.
用were to tell不就可以了么（这是一个选择题）,为什么选项要用have told.
I was to have gone on Tuseday.But on that day,I had a terrible cold so I decided to wait till Wednesday.同类型的。
He was to have been here by 7but now it's 9 and there is no sign of him.同类型的。

答案

用to have told.下面分析为什么用to have told.We were to have told you,but you were not in.我们应该早就告诉你,但你那时不在.to have told 是不定式的完成时,表示“应该已经.的了”,表示动作已经过去.We were to...