专题十状语从句和并列句常考点状语从句是一项较大的语法项目，也是近几年高考题中常见的一个重要试点。由从句担任的状语， 在句子中可修饰谓语( 或其他动词 ) 、形容词、 副词或是整个句子。一般可分为九大类，分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式。尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。掌握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。1状 语 从 句 中 从 属 连 词when，while ，as 的多种含义when：当⋯⋯时候；就在那时；既然；虽然；在⋯⋯之后；as：一边⋯⋯一边；随着；虽然；因为；依照，如⋯⋯；while ：在⋯⋯期间；而；虽然。用 when，while和 as 填空：①He will take my place ________ I am away. ②I was having my lunch ________ the fire alarm went off. ③________ you have finished your work， you may have a rest. ④________ he swam ，he cried for help. ⑤________ the Internet is of great help，I don't think it good to spend too much time on it. 【答案】① while②when③When④As⑤While2as 引导让步状语从句as 引导让步状语从句时要倒装，若是倒装，需将所强调的成分即名词( 句首名词不能有任何冠词 )、形容词、副词、分词、实义动词提前。[ 注] ①though 引导状语从句可以倒装也可以不倒装，although不能引起倒装。②as，though ，although引导从句时，后面的主句不能有but ，但可以和still，yet连用。完成下列句子：①________________( 虽然他是个孩子) ，he knows what is the right thing to do. ② ________________( 虽然他工作很努力) ， he never seemed able to do the work satisfactorily. ③_______________( 虽然你可能失败) ，you should never give up. 【答案】① Child as he is②Hard as he worked③Fail as you may3before的用法注意判断before 在状语从句中的含义：才；就；趁⋯⋯没有；还没来得及；宁可⋯⋯也不；不知不觉。1. 判断下列各句中before 的含义：( ) ①We had sailed four days and four nights before we saw land. ( ) ②We hadn't run a mile before he felt tired. ( ) ③Please write it down befo...
