状语从句口诀英语（轻松掌握状语从句）

状语从句口诀英语（轻松掌握状语从句）(5) I will wait for you in front of the school gate till/until you come back.(4) It is five years since I began to study English.(1) The baby did not go to bed until her mom came back home.(2) I will ring you up as soon as I arrive at home.(3) My father has worked in this company since he graduated from university.

在英语复合句中，用作状语的从句叫做状语从句。状语从句根据它所表达的意思可分为时间、原因、条件、比较、结果、目的和让步状语从句等。

从句在前主句在后，主从句间用“逗号”分开；主句在前从句在后，主从句间不用“逗号”。

状语从句分类：

一、时间状语从句：when /while/as(当…的时候) before(在…以前) after(在…以后) not…until(直到…才) since(自从…以来) as soon as(一…就) until(直到…)等。For Example:

(1) The baby did not go to bed until her mom came back home.

(2) I will ring you up as soon as I arrive at home.

(3) My father has worked in this company since he graduated from university.

(4) It is five years since I began to study English.

(5) I will wait for you in front of the school gate till/until you come back.

注意：

(1) since引导的时间状语从句，主句一般用“一般现在时或现在完成时”，从句用“一般过去时”。

(2) when引导的时间状语从句，常表示主从句动作同时发生；after则表示主句动作发生在从句动作之后；before则表示主句动作发生在从句动作之前；as引导的时间状语从句，主从句动作不分先后，同时发生。

二、原因状语从句：because(因为) as(由于) since(既然)等。

原因状语从句的引导词，从because since到as，语气逐渐变弱；由why提出的问题，用because回答。

For Example:

(1) My father likes to eat bananas because they are good for our health.

(2) Let's follow his advice since what he said is right.

三、条件状语从句：if(如果) unless(除非) as long as(只要)等。

条件状语从句，遵循“主将从现”原则！

在句型“祈使句 and/or 陈述句”中。祈使句相当于一个条件状语从句。

For Example:

(1) We will have a picnic if it doesn't rain tomorrow.

(2) Hurry up or you will be late for the class.

= If you don't hurry up you will be late for the class.

四、比较状语从句：as......as(和…一样) than(比…)，not so/as…as(不如…)等。

For Example:

(1) Lucy is as tall as Lilly.

(2) He is not as strong as his younger brother.

五、结果状语从句：so......that(如此…以至于) such......that(如此…以至于)，so that(结果是.…)等。

so…that和such…that的区别：

(1) so adj/adv that 从句

(2) so adj a/an 单数名词 that从句

(3) such adj 复数名词 that从句

(4) such adj 不可数名词 that从句

(5) such a/an adj 单数名词 that从句

For Example:

(1) It is so cold that nobody wants to go out for a walk.

(2) He is such a handsome boy that everyone likes him very much.

= He is so handsome a boy that everyone likes him very much.

(3)He is so young that he can't go to school.

= He is too young to go to school.

注意：

(1) 句型so adj/adv that的否定形式可以用“too…to do sth”或“not…enough to do sth”代替。

六、目的状语从句：so that(以便，为了) in order that(为了)等。

当主/从句主语一致时，可以用“so as to do sth in order to do sth”。

For Example:

(1) Tom gets up very early so that he can catch the early bus.

(1) She worked day and night in order that she could succeed in the competition.

= She worked day and night in order to succeed in the competition.

七、让步状语从句：though/although(尽管，虽然)，even if/though(即使)，whatever(无论什么)，wherever(无论哪里)，whenever(无论何时)等。

For Example:

(1) Whatever we do we should try our best to do it well

(2) Whenever you come back I will wait for you.

(3) Wherever you go I will go with you.

状语从句，历来是英语考试的必考点和重难点！准确清晰地记住不同类型状语从句的引导词是核心，根据上下文语言环境理解主从句之间的语义关系是要领，掌握不同引导词之间的异同是关键！

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