● Susan seldom speaks in class until spoken to.
⒉由 where, wherever 连词引导,表示地点,如:
● Mosquitoes should be completely exterminated where found.
● Retirees in good health should be invited to return to work wherever needed.
⒊由 if, unless 引导,表示条件,如:
● If kept for too long, some medicines will lose their effectiveness.
● We have made a point of not attacking unless attacked.
⒋由 though, although, even though 连词引导,表示让步 ,如:
● Though warned of the danger, they still went mountaineering.
● Even though defeated for a second time, our team did not give up hope for the ultimate victory.
此外,过去分词短语还可以和介词with或without连用,具副词作用。如:
● With the water pipe choked, there wasnt any more water for use.
● Without anything left in the kitchen, the Wangs decided to eat out.
最后,过去分词短语,在适当情况下,可以有自己的主语而变成独立结构(the absolute construction),如:
● The old man listened, his head inclined to one side.
【英语讲义【54】具副词功能的过去分词短语】相关文章:
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