精选优质文档-倾情为你奉上非限制性定语从句与定语从句区别1关系词的选用不同限制性定语从句可以用关系代词who，whom，whose，that，which，关系副词when，where，why等引导，而非限制性定语从句不可用that或why来引导（上述引导词除了这两者以外均可用来引导非限制性定语从句）。例如：Yesterday he bought a new bike，which was made in Shanghai（which不可换用that）昨天他买了一辆新自行车，这自行车是上海产的。He didnt give the reason，which explained his absence from the meeting held last week（which不可换用why，因为which在定语从句中作主语，而why只能在定语从句中作状语）2关系词的省略不同在限制性定语从句中，当关系代词在定语从句中作宾语或表语时，在口语中可以省略，关系副词有时也可省略。而非限制性定语从句中的关系代词或关系副词不可省略。例如：I still re
