完整高中状语从句讲解

状语从句讲解语法专题复习（四）状语从句指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。时间、地点、原因、目的、结果、条件、让步、一般可分为九大类，分别表示

所以理解尽管种类较多，但由于状语从句与汉语结构和用法相似，比较和方式。和掌握它并不难。状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。现分别列举如下:（时.他正作练习时我睡着了。1．I fell asleep when he was doing his exercises

间状语从句）（时间状语从句）她总是一边走一边唱。She always sings as she walks .3．

（时间状语我等到他做完活。．I waited until he had finished his work . 4从句）不久，他就告诉我5．It was not long before he told me about this affair .

这件事。（时间状语从句）．He has worked very hard since he entered the factory自从他进厂，6工作一直很努力。（时间状语从句）

1．时间状语从句

常用引导词：when, as, while, as soon as, while, before, after, since , till, until

特殊引导词：the minute, the moment, the second, every time, the day，the instant, immediately , directly, no sooner …than, hardly …when, scarcely …when

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地点状语从句2．

where

：常用引导词everywhere

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第

原因状语从句3．since

since, as, 常用引导词：because,

considethat, considering that, given in 特殊引导词：seeing that, now that, that, that, ring

目的状语从句4．

that

order so that, in 常用引导词：that, the purpose for in the hope that, for 特殊引导词：lest, in case, fear that，that the end to

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结果状语从句5．…that,…that, such 常用引导词：so

degree such a extent that, to that, to the degree that, to the 特殊引导词：such

that,

条件状语从句6．unless, if, 常用引导词：cain that, suppose that, as/so long as, only if, providing/provided 特殊引导词：that on condition that, se

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让步状语从句7．though

if, even 常用引导词：though, although, even

n)，( 一般用在句首特殊引导词：as(用在让步状语从句中必须要倒装)，while whwhoever, wherever, that, while, whatever, ，in spite of the fact o matter …whichever

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which, No matter who takes up the matter for me ,I 主句后。

how…)shall be very grateful.

不管谁为我处理这件事，我都将非常感激。从

wh－ever Whatever happens / may happen , we shall wh－ever从句中的动(whatever not lose heart. 句词有时可以和may连

whoever 无论发生什么，我们都不要失去信心。用。判断wh－ever引导whenever Whoever comes, he will be welcome. 的是状语从句还是名词whicheve无论谁来，都会受到欢迎。性从句的一点是，名词r 性从句，主句中一定有however) 一个成分要在从句担任，一般从句与主句之间没有逗号。

不可将no matter与wh—ever连用

8．比较状语从句

常用引导词：as(同级比较), than(不同程度的比较)

特殊引导词：the more …the more …; just as …，so…; A is to B what /as X is to

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方式状语从句9．

how if, 常用引导词：as, as

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状语从句的简化7页10 共页第

状语从句的省略①主句和从句的主语一状语从句同时具备下列两个条件:；②从致，或从句主语为it动词常

可省略。例如：be的某种形式。从句中的主语和be句主要动词是

public the be open to ) completed , the museum will When ( the museum is

. next year

possible. ) (it is e for his holiday if He'll go to the seasid

。例如：另外，比较状语从句经常省略). (is tall I'm taller than he (is ). the (is), greater the pressure The higher the temperature

:

现象常存在于以下五种状语从句中状语从句的简化;

if, unless等引导的条件状语从句由

;

although, though, even if / though等引导的让步状语从句②由

; when, while, as, before, after, until / till等引导的时间状语从句③由

; as, as if等引导的方式状语从句④由

等引导的比较状语从句。下面针对这

五种情形作一归纳。⑤由as, than

他会帮你摆,If (it is) possible, he will help you out of the difficulty.如果可

能的话

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。

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 you'll regret.少壮不努力,老大徒伤悲。While (he was) a you ng boy, he was always ready to help others.他在孩提时代就乐