分词短语作状语为什么要去be动词
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分词短语作状语为什么要去be动词
_Faced_ with a difficult situation,Arnold decided to ask his boss for help.比如这个句子,为什么be faced with ,省略be?
_Faced_ with a difficult situation,Arnold decided to ask his boss for help.比如这个句子,为什么be faced with ,省略be?
它不仅是省了be,还省了主语,只有当前后主语一致时,才能把作状语的主语和be一起省了.
例:1.____TV,the telephone rang.
A.Wachting B.While I was wachting
这一题选B,因为前后主语不一致,前半句主语是I,后半句主语是the telephone.
2.____TV,I heard the telephone rang.
A.Wachting B.While I was wachting
这一题选A,因为前后主语一致,可以把主语和be省略.
例:1.____TV,the telephone rang.
A.Wachting B.While I was wachting
这一题选B,因为前后主语不一致,前半句主语是I,后半句主语是the telephone.
2.____TV,I heard the telephone rang.
A.Wachting B.While I was wachting
这一题选A,因为前后主语一致,可以把主语和be省略.