高中英语状语从句知识点及练习.docx

-- -- 高中英语 --- 状语从句 一、概念：状语通常由副词、介词短语、动词不定式、分词和从句等担当。 状语从句主要用来修饰主句或主句的谓语。 一般可分为九大类， 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。 二、分类及使用 时间状语从句 (1) when ① .when 引导的时间状语从句， 其动词既可以是延续性动作的动词， 也可以是瞬 间性动作的动词， 可以表示主句的动作和从句的动作同时发生， 或从句的动作发生在主句的 动作之前。 when you apply for a job, you must present your credentials. ② when 还可表示 just then（正在那时）的意思，此时所引导的从句放在主句之后。 we were about to start when it began to rain. (2) as 引导的时间状语从句 as 侧重表示主句和从句的动作并相发生 We were having breakfast as she was combing her hair.  ,翻译成一边，一边。 (3) while  “在 ? 期间”，所引导的从句的动作是延续性的，  并表示和主句的动作同时发生。 (4) before 引导 ① before“在 ? 之前” I’ll be back before you have left. before“ ? 之后才” It may be many years before we meet again. as soon as/once/directly/the instant 等引导 as soon as 是最常见的表示“一 ? 就”的从属连词，其他连词还有 immediately ， instantly ， the instant (that) ， the minute(that) ， the moment(that) 等，它们通常都可与 As soon as we got home, the telephone rang. I recognized her immediately I saw her.  as soon as换用。 (6) hardly...when/no sooner...than  引导 关联从属连词 hardly/barely/scarcely...when 和 no sooner...than 的意思是“刚 ?就”，它们所引 导的从句中的谓语动词通常为过去完成时。如： He had no sooner (no sooner had he)arrived home than he was asked to start on another journey. (7) since 引导 在含有 since 引导的时间状语从句的复合句中，从句的谓语动词通常为一般过去时，主句的 谓语动词通常为现在完成时、过去完成时和一般现在时： We’ve never met since we graduated from the college. 大学毕业后我们就再没见过面。 1 Practice makes perfect! (8) till/until 引导 till 和 until 同义，作“直到 ? 时( 为止 )”解。 Donald will remain in college until(till) he finishes his Ph.D course. 地点状语从句 (1) where 引导 “在（或到） ? 的地方” Where there is a will, there is a way. (2) wherever 引导 wherever=no matter where, 后者只能放句首。 Whereever (no matter where) they went, the experts were warmly welcomed. 原因状语从句 (1) because 引导 通常用于回答 why 引出的疑问句，从句一般位于主句后面。 I didn ’tgo abroad with her because I couldn ’tafford it. (2) as 引导 从句多位于主句之前，通常可以和 since 换用。 As I didn ’tknow the way ， I asked a policeman. (3) since 引导 从句多位于主句之前，可以和 as 换用。 Since traveling by air is much faster,they decided to take a plane. (4) now(that) 引导的原因状语从句 now(th