2023年中考英语语法-状语从句课件

状语从句(adverbial clause). 状语的定义和构成形式 用作状语的从句叫作状语从句状语从句. 由从属连词引导,修饰主句中的动词,形容词和副词等,可放句首或句末。放在句首时,从句后面用逗号;放在句末时,不用逗号。 状语从句的分类 根据意义上的不同,英语状语从句分为 时间状语从句、 地点状语从句、 原因状语从句、 目的状语从句、 结果状语从句、 条件状语从句、 方式状语从句、 让步状语从句, 比较状语从句。 时间状语从句的引导词: when, while, as, before, since, until, till, as soon as, once, hardly…when, no sooner…than ,whenever, after ,等 主句是将来时,时间状语从句和条件状语从句用一般现在时表示将来的动作,即:主将从现。 I’ll write to you as soon as I get to Shanghai. 时间状语从句应注意的问题 (一) when, while, as 引导的时间状语从句 While / When/ As I was reading, I fell asleep. When I got to the station, I found the train had left. As he said it, he laughed. As time went on,I began to understand it. with time going on,I began to …… (三) 由immediately, instantly,directly,, no sooner…than, hardly…when, scarcely…when, as soon as ,the moment,the minute,on/upon/at doing ,引导的时间状语从句 表示“一……就……”, 1.I told him immediately (=as soon as) he came. 2.The moment he saw me, he turned pale. 1.I had hardly got home when it began to rain. = Hardly had I got home when it began to rain. 2.He had no sooner seen me than he ran away. =No sooner had he seen me than he ran away. (四) before: 主句动作先于从句动作,要根据实际情况翻译 We waited a long time before he came out. I must write it down before I forgot. She offered me a cup of coffee before I could sit down. I ‘m willing to work myself to death before I give up. It is long before……(过了好长时间才) It is not long before……(不久就) It won’t be long before we meet again. 。。。才 免得 还没有/来不及就 宁愿。。。也不 (五)Since 引导的时间状语从句: a) Since后面的动词不同,动作的起算时间不同: since+终止性动词的过去式,从该动作发生时算起;since+延续性动词的过去式,从该动作结束时算起。 It’s three years since he joined the League. 他入团三年了。 It is three years since he smoked. 他戒烟三年了。 b)“ It is + 一段时间+ since – clause” 句型。 It’s two years since we arrived here. 我们到这儿两年了。 It was years since I had seen her. 我认识她好几年了。 地点状语从句 由where, wherever anywhere, everywhere引导的地点状语从句 1.Where there is smoke, there is fire. 2.Wherever you go, you must obey the traffic rules. I will go where he went.(特定地点) I’ll go wherever he goes. (任意地点) Leave it where it