>关系代词如何引导定语从句 口普通代词与关系代词的区别 I have a sister She works in Shanghai 代替 sister 口普通代词:只起代替的作用(如上例she) I have a sister who/that works in shanghai 口关系代词:(如上例 wholthat 1代替先行词 2它还在定语从句中担任一定的成分; 3.同时连接先行词与它引导的定语从句。 (把主句和从句连起来)➢关系代词如何引导定语从句 ❑普通代词与关系代词的区别 I have a sister.She works in Shanghai. 代替 sister ❑普通代词：只起代替的作用（如上例she) I have a sister who/that works in Shanghai. ❑关系代词： （如上例who/that） 1.代替先行词; 2.它还在定语从句中担任一定的成分; 3. 同时连接先行词与它引导的定语从句。 （把主句和从句连起来）