问题描述：
此句句子成分分析,
The city was even equipped with a drainage system,for a great many clay pipes were found beneath the narrow streets．
问题解答：
我来补答
The city was even equipped with a drainage system,主句
The city 主语
was equipped with 谓语
even 副词,作状语,起强调作用
a drainage system 做介词的宾语
for a great many clay pipes were found beneath the narrow streets．从句部分 原因状语从句
for 从属连词,用来引导从句的
a great many 定语=many
clay pipes 主语
were 谓语
found beneath the narrow streets 这个叫主语补足语
再问： with a drainage system是做状语修饰equipped吗 the narrow streets是什么成分了？
再答： be equipped with 这个是连在一起的，这个叫动词短语，都是谓语 就像be interested in,be fond of也是一样 a drainage system ，因为紧跟在介词后面，介词宾语 beneath the narrow streets 这个叫主语补足语 细分的话，beneath 介词 the narrow streets 介词的宾语 关于主语补足语可以看一下 http://zhidao.baidu.com/question/124370555.html?oldq=1
再问： 可以这样看吗a great many clay pipes主语 were found谓语 beneath the narrow streets引导的句子做状语．
再答： 我无语
再问： hah
