定语从句中when和thatI will never forget the day when I joined the army .I will never forget the day that she lived in china with her mother.为什么下面的句子不用when

定语从句中when和thatI will never forget the day when I joined the army .I will never forget the day that she lived in china with her mother.为什么下面的句子不用when when 和 which 在定语从句中用法区别 定语从句中`when与on which 定语从句中when,where怎么用 为什么when在引导表语从句和定语从句中是副词在时间状语从句中是连词? 定语从句中,that能代替who和which,那能代替when和where吗, 在定语从句中,when,where和why在什么情况下省略 I will never forget the day when I joined the army． 句中,划线部分是定语从句,when在从句中作状语,怎么理解,为什么when是作状语? 什么叫非谓语从句? 定语从句when和which定语从句里when which怎么用?比如May the forth is the day which we Chinese people will never forget.为什么不用when呢,明明前面是the day. 在定语从句中,怎样区分when和that引导时间状语时,甚么时候用 when 定语从句中,什么时候能用 that替代 when、where? 在定语从句中,连词when的用法? 如何区别定语从句中When的用法 在定语从句中why where when充当什么成分 when 在定语从句中有哪些用法啊? point定语从句where和when那个引导怎么区分 怎样区分when和which引导的定语从句 when和部分介词一起引导定语从句 求例句