a law that requires improvement to the system.

问题描述:

a law that requires improvement to the system.
这句话的主谓宾定状补 分别是什么?to引导什么语 帮我分析一下这句的结构

a law that requires improvement to the system (is .)a law (is .)主语 系表that requires improvement to the system 这个是主语的定语从句.that requires improvement需要提高.to the system 这是目的状语.也可...