非时谓语动词的用法(放句首时)

有些be+过去分词+介词的短语放句首,为什么有的要把be去掉,有点的不用?
比如Being exposed to the sunlight……
Based on the ……
Absorbed in this book……
求解~~
求解~

第1个回答  2015-01-30
be+过去分词+介词的短语放句首,表示”正在被。表示正在进行
过去分词+介词的短语放句首,表示”已经被“。表示已经完成追问

Concerned about his wife,he hurried home immediately after the meeting。
这个句子是主谓不是动宾,为什么不用Being concerned about?

第2个回答  2015-01-30
6)作状语: ①表目的:
He worked day and night to get the money. She sold her hair to buy the watch chain.
注意不定式放句首时,逻辑主语与句子主语要一致: wrong:To save money, every means has been tried. right:To save money, he has tried every means.
wrong:To learn English well, a dictionary is needed. right:To learn English well, he needs a dictionar本回答被网友采纳
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