作业帮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
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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
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?
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
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,即为“过去的过去”,所以从句使用过去完成时.
2.答案应该是：you had been talking to（即过去完成进行时）.
此答案强调talk动作在didn't know该动作之前一直进行,并延续到didn't know这一动作所发生的时间,这就是过去完成进行时的语法特征.
如果用were talking to也可以,只是它只强调过去某一时间正在进行的动作,没有强调该动作在过去这一时间之前一直都在进行.
1. 宾语从句中如果主句是过去时态，从句要用过去完成时态。2. late 是形容词，不是动词，所以没有lated 这中说法，只有be late for. 它的过去完成式是 had been late for.