各位老师:
It appears that all the files have been deleted.
这个句子为什么是主语从句,不是表语从句呢?
There is a common effect that it will affect the economic growth.
这个是同位语从句吗?
It appears that all the files have been deleted.
分析为主语从句或表语从句均可。若是主语从句,那么,appears 为不及物动词。若是表语从句,那么,appears 为系动词,此时句首 It 为虚拟主语,本身无意义,只是弥补主语空缺。
There is a common effect that it will affect the economic growth.
从句子结构看,是同位语从句无疑。不过,common effect 的意思,应理解为 “普遍的印象;共同的感觉”。
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