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w hen，w hile，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w hen，w hile 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. 2 as 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. 3 before 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 before you forget it. ( )④Before I could get in a word，he had measured me. ( )⑤She would die before she'...
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