分析一个句子结构有一句子：It has become as common in colleges and univers

分析一个句子结构
有一句子：It has become as common in colleges and universities for students to grade teachers as for teachers to grade students.
it是句子的形式主语吧? 那么真的的主语是是从for开始还是从第一个to开始到结尾?还有就是连个as的用法有些不明白.请指教我..谢谢!

270883761 1年前已收到2个回答举报

幸福的闫幼苗

共回答了20个问题采纳率：95% 举报

在大学里,学生们给教师评分已经象教师们给学生评分一样普遍了.这句话是同级比较的句子,A is as 形容词 as B对号入座,谁是A,就是主语,it是形式主语.或者这么看：it is common for students to grade teachers.主语是...

1年前

liutantony 幼苗

共回答了5个问题举报

it指代的是后面的那个动作，as这边表示像。。。一样，意思是，学生们像老师评价他们一样评价老师

1年前

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你能帮帮他们吗

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