定语从句引导定语从句的关系代词有that,which,who(宾格whom),所有格whose)和关系副词wherewhenwhy等,关系代词或关系副词在定语从句中充当一个成分,关系代词that,which,who,whom等在从句中分别作主语或宾语,whose在从句中作定语,而关系副词when,where,why等在从句中作状语。①Iwillneverforgetthedayswhen/inwhichweworkedtogether.②Iwillneverforgetthedayswhich/thatwespenttogether.解析在句①中,表示时间的名词th...