考研英语句子成分分析

Question

It seems rather ironic to present people separated from each other by the spider web when they attempt to communicate．
separated之后是什么成分
为什么总觉得缺一个介词who
可以有别的表达方法么，比如
It seems rather ironic to present that people were separated from each other by the spider web when they attempt to communicate．

Answer 1

because it was the Federal Circuit itself that introduce such patents with its 1998 decision in the so-called State Street Bank case because引导原因状语从句，后面跟的是原因，这个从句中又有一个that的同位语从句。首先，主句it was the Federal Circuit itself的主语是it，谓语是was，宾语是 Federal Circuit，itself是同位语； that的同位语从句，先行词是itself，即the Federal Circuit, 充当从句主语；谓语是introduce，with后面是一串介词结构，表伴随；in后面是地点状语