Itisasifasingleunimportanteventsetupachainofreactions.句子成份是?Itseemsthat/asif此句型实质上是“主+系+表”结构。其中it是人称代词,并无实意,指的是某种情况,seems为系动词,that/asif引

Question

It is as if a single unimportant event set up a chain of reactions.句子成份是?
It seems that / as if 此句型实质上是“主+系+表”结构。其中 it 是人称代词,并无实意,指的是某种情况,seems 为系动词,that / as if 引导表语从句。
译：看起来...
as if 引导的从句中用的是虚拟语气

Answer 1

就是主谓宾啊 It 是形式主语,a single unimportant event是主语,set up谓语,a chain of reactions是宾语