状语从句一、 什么是状语从句状语的功用：状语说明地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等。状语一般由副词、 介词短语、 分词和分词短语、 不定式或相当于副词的词或短语来担当。其位置一般放在句末，但也可放在句首或句中。I didn’t realize how special my mother was until I became an adult. You should have put the book where you found it. I didn’t go because I was afraid. 二、状语从句的分类1.时间状语从句2.地点状语从句3.原因状语从句4.条件状语从句5.目的状语从句6.让步状语从句7.比较状语从句8.方式状语从句9.结果状语从句10.伴随状语从句▲ 常见考点：考点一、主句与从句的时态呼应问题；考点二、连接词的选择。考点三、状语从句与非谓语动词之间的替换；考点四、根据从句与主句的逻辑关系选用从属连词；思考：什么是从句？I don’t know the girl in red. I don’t know the girl who is playing under the tree. 从句要素：①至少要有两个句子② 要有引导词三、时间状语从句详解1.引导词（1）基本类： before ,after ,when ,while ,as ,since ,till ,until ,once ,as soon as. （2）名词类：（由名词词组充当引导词）the moment ,the minute ,the second ,the instant ,(一⋯就⋯ ) every time ,each time ,the first time ,the last time （3）副词类：（由副词充当引导词）immediately ,directly ,instantly (一⋯就⋯ ) （4）句型类：no sooner⋯than⋯ ,hardly/scarcely⋯when⋯（一⋯就⋯）2.引导词具体讲解：当⋯时候： It was six o ’clock when I got home. Sb was doing sth when⋯1)when 这时Sb was about to do sth/was on the point of doing sth when⋯Sb had just done sth when⋯既然 : It was foolish of you to take a taxi when you could walk there in five minutes. 既然你能 5 分钟就走到那儿，再搭出租车真是太傻了。当⋯时候 (引导 持续性 动作 ): He fell asleep while he was reading a book. 2) while 然而 (用于句中 ) : He likes pop music while I am fond of folk music. 虽然 ,尽管 ( 用于句首 ) While volleyball is her main focus, she’s also grea...
