好长的一个句子,出自新概念英语第三册第一篇课文,帮忙分析一下这个句子的语法和句型.However,as the evidence began to accumulate,expert from London Zoo felt obliged to investgate,for the description given by people who claimed to have seen the pumar were extraordinarily similar.

问题描述:

好长的一个句子,出自新概念英语第三册第一篇课文,帮忙分析一下这个句子的语法和句型.
However,as the evidence began to accumulate,expert from London Zoo felt obliged to investgate,for the description given by people who claimed to have seen the pumar were extraordinarily similar.

expert 主语
felt 系动词
as the evidence began to accumulate,状语从句
for 后面是原因状语从句
the description were extraordinarily similar 是从句中的主谓宾
given by people 是 description的定语
who claimed to have seen the puma 是people的定语从句

However 连词as the evidence began to accumulate 时间状语从句as 连词the evidence 主语began to accumulate 谓语 begin to doexpert 全句主语 (似乎应该是复数)from London Zoo 定语 修饰主语felt 连系动词oblige...