2 主谓短语可以作状语
They appeared to have died of heat stress, brought on, he suspected, by the problems with the heating system in the building--but their spleens were weirdly enlarged.
请教一下suspect的内容是整个句子（They appeared to...）还是brought on这一部分？
个人感觉更像是brought on这一部分，此处的he suspected是什么句子成分，是不是主谓短语可以做状语？
最佳答案 2022-06-11 22:01
They appeared to have died of heat stress, brought on, he suspected, by the problems with the heating system in the building--but their spleens were weirdly enlarged.
解答如下：
【1】brought on为过去分词作后置定语，修饰前面名词“heart stress” 。by the problems with the heating system in the building为介词短语作状语，引出动作执行者。
【2】but为表示转折关系并列连词，表示前面和后面属于转折关系。
【3】he suspected,为插入语成分。
【4】appear to have done sth似乎已经做了某事，appear+不定式完成体表示不定式动作在谓语动词动作之前发生。
【5】die of +名词 表示 死于某种原因。
【6】bring on sth 引起/导致/造成某事为主动结构 ,sth be brought on (by sth)为被动结构。
补充回答：
They appeared to have died of heat stress, brought on, he suspected, by the problems with the heating system in the building--but their spleens were weirdly enlarged.
【1】brought on, he suspected, by the problems with the heating system in the building为过去分词短语作后置定语，修饰前面名词“heat stress”相当于非限制性定语从句“which was brought on by the problems with the heating system in the building”这是由于大楼的供暖系统问题引起的/造成的/导致的 ，which指代前面先行词“heart stress”。by the problems with the heating system in the building 为介词短语作非限制 性定语从句的状语成分。
【2】but their spleens were weirdly enlarged.为表示转折关系并列连词but引导并列句，但他们的脾脏奇怪地增大了 。
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