状语从句
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状语从句
状语:状语通常由副词、介词短语、动词不定式、分词和从句等担当,用来修饰动词、形容词、副词或整个句子。
例如:
1.副词作状语
He likes English very much.
2.介词短语
He has taught for many years.
3.动词不定式作状语
Hecame here to teach English.
5.分词作状语
Asked not to leave, he decides to stay.
Making up his mind, he will leave soon.
4.从句作状语
He will leave when he finishes his work.
状语从句:如果一个句子在复合句中充当状语,那么这个句子称为状语从句。
根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较状语从句等。
状语从句一般由连词引导,也可以由词组引导。
从句位于句首或句中时通常用逗号与主句隔开,位于句尾时可以不用逗号隔开。
要熟悉各种状语从句的引导词。
一、时间状语从句
常用引导词:when,as,while,assoonas,before,after,since,not...until, until/till等
特殊引导词:the second, theminute,themoment,everytime,theday, theinstant,immediately,nosooner…than,hardly…when,scarcely…when
当用nosooner…than, hardly…when, scarcely…when作为引导词的时候,从句要部分倒装。
She didn’t come after she got ill.
二、地点状语从句
常用引导词:where
特殊引导词:wherever,anywhere,everywhere
She stayed where she could have a good rest.
三、原因状语从句
常用引导词:because,since,as,
特殊引导词:seeingthat,nowthat,inthat,consideringthat,giventhat.
She didn’t come because she had a fever.
四、目的状语从句
常用引导词:sothat,inorderthat
特殊引导词:lest,incase,forfearthat, inthehopethat,forthepurposethat.
She didn’t come so that she could have a rest.
五、结果状语从句
常用引导词:so…that,such…that,
特殊引导词:suchthat,tothedegreethat,totheextentthat.
She was so badly ill that she couldn’t come.
六、条件状语从句
常用引导词:if,unless,whether(whether...ornot)
特殊引导词:as/solongas,onlyif,providing/providedthat,supposingthat,incase,onconditionthat She will come if she gets much better.
七、让步状语从句
常用引导词:though,although,evenif,eventhough
特殊引导词:as(用在让步状语从句中必须要倒装), while(一般用在句首),nomatter…,inspiteofthefactthat,whatever,whoever,wherever,whenever,however,whichever
She still came though she had a fever.
八、比较状语从句
常用引导词:as(同级比较),than(比较级比较)
特殊引导词:themore…themore…;justas…, so…;AistoBwhat/as CistoD;no…morethan;notso muchAasB
She is much more diligent than the boy.
九、方式状语从句
常用引导词:as,asif,how
特殊引导词:theway
She studies English as her teacher taught her.。