If -------,we will continue our experiment after office hoursA it be necessary B necessary C it being necessary D be necessaryC为什么是错的呢>?这能不能构成独立主格结构?
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If -------,we will continue our experiment after office hours
A it be necessary B necessary
C it being necessary D be necessary
C为什么是错的呢>?这能不能构成独立主格结构?
B.这是条件状语从句中常用的省略手法,为的是避免重复累赘,补全应为If it is ……
选B.
A.应改为it is necessary
C.动名词在这里不伦不类
D.少it
B.是简语,省略了it,很常见
在某些状语从句中,当从句的主语与主句主语一致时或从句的主语是“it”时,可省去“主语+be部分”。如:
If (it is) necessary i'll explain to you again.
独立主格是:逻辑主语+分词(现在分词、过去分词),可以视为单独的句子。该句有if则要么是if的条件状语从句,要么是if的虚拟语气。...
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在某些状语从句中,当从句的主语与主句主语一致时或从句的主语是“it”时,可省去“主语+be部分”。如:
If (it is) necessary i'll explain to you again.
独立主格是:逻辑主语+分词(现在分词、过去分词),可以视为单独的句子。该句有if则要么是if的条件状语从句,要么是if的虚拟语气。
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