分析一下每个词句子成分结构It is she who sings the best in my class
问题描述：
分析一下每个词句子成分结构
It is she who sings the best in my class
答
it是主语
is是表语
she是宾语
who sings the best in my class是宾语从句
who是从句的主语
sings是从句的谓语
the best是程度状语，in my class 是地点状语.
答
一楼的回答有失偏颇.这句子是一个"主系表"结构.It 主语is 联系动词,做谓语she 表语who sings the best in my class 同位语从句,=she,用来补充说明she的状态其实who sings the best in my class是病句,应去掉the,意思...