九年级英语上册Unit 6 语法和写作一、语法（一）定语从句概述在复合句中，修饰某一名词或代词的从句叫作定语从句。被定语从句修饰的名词或代词叫作先行词，引导定语从句的词叫作关系词。Eg: A calligrapher is a person who practises the art of writing beautifully with a brush.书法家是用毛笔书写优美书法作品的人。Calligraphy is an art form that is very popular in China.书法是一种在中国很受欢迎的艺术形式。（二）关系代词 whowho 用于指人，在定语从句中作主语或宾语。作主语时不能省略；作宾语时可以省略，也可以用 whom 替换。Eg: The person who painted this landscape is very talented.画这幅山水画的人很有才华。The man (who) I met yesterda...
