定语从句重难点1定语从句修饰的词称什么?先行词定语从句修饰什么词性?名词或代词如没有先行词或名词代词,该怎么办?补充先行词用the+n 或the oneIs this museum _ you visited the other day?Is this singer_ songs you like best?A whose B the one whose什么时候用关系代词?当定语从句缺主,宾,表什么时候用关系副词?当定语从句完整,也就是不缺主,宾,表时在限制性定语从句中(即没有逗号的定语从句),先行词做宾语,关系词可以省略在非限制性定语从句中(即有逗号的定语从句),先行词做宾语,关系词不可以省略Which,that 指物,只用that 的情况1.当先行词是哪几个不定代词时,后面的关系代词只能用that?Something,anything,everything,nothing,little,few,much,all,the one2.先行词被什么修饰只能用that?Every,any,no,all,just,the very,the only3.先行词既有人又有物是,用什么?that