Question

This film is as interesting as that one.此句的各个成份分别是什么

Answer 1

This film主语 is 系动词interesting 表语
as ...as....连接词短语，在这里连接比较状语从句
that one 后面一个句子的主语，

追答

这是后面一个句子省略了！其实应该：that one is interesting.

概括一下：as ...as 连接前后两个句子，前一个句子结构是主系表结构，后一个也是！后一个因为和前文一样，后面的词也一样。所以省略了系动词is和表语interesting

谢谢

Answer 2

This film is as interesting as that one.
This film is interesting 【主系表】
as 【状语】
as that one.【状语】