题目

分析两道英语句型转换的题目（含宾语从句）
Why is he often late for school?
(Did) you know why he often(had been late for school) 后一个空格为什么不能填 lated for school?
Who were you talking to?
I (did not)know who (you had been talked to).后一个空格为什么不能填were talking to?

提问时间：2020-06-13

答案

1.late不是动词,何来的过去式lated,用was late for school还差不多.此题之所以用过去完成时had been late,是因为主句中的did.即主句谓语使用过去时,根据句意he be late for school是发生在主句谓语动词know之前的,即...