①由if, unless等引导的条件状语从句;
②由although, though, even if / though等引导的让步状语从句;
③由when, while, as, before, after, until / till等引导的时间状语从句;
④由as, as if等引导的方式状语从句;
⑤由as, than等引导的比较状语从句。下面针对这五种情形作一归纳。
(1)当状语从句的主语是it,且谓语动词是be时,it和be要完全简化掉。例如:
If (it is) possible, he will help you out of the difficulty.
如果可能的话,他会帮你摆脱困境。
You must attend the meeting unless (it is) inconvenient to you。
除非情况对你来说不方便,否则你必须出席这次会议。
(2)当状语从句的主语和主句的主语一致时,从句可以将主语和be动词简化掉。常用于以下几种情形:
连词+形容词
As (he was) young, he learned how to ride a bike.
他小时候就学会了骑自行车。
Whenever (she is) free, she often goes shopping.
她有空就去逛商店。
Work hard when (you are) young, or youll regret.
少壮不努力,老大徒伤悲。
连词+名词
While (he was) a young boy, he was always ready to help others.
【状语从句知识点总结:状语从句的简化】相关文章:
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