1状语从句一.定义:起副词作用,修饰主句动作,表明动作发生的时间,地点,原因,条件,方式,目的,结果等。Wetookphotosthere.Wetookphotosinfrontofthetower.Wetookphotoswherestoodthetower.二.引导状语从句的从属连词分类状语从句从属连词时间状语从句when,while,as,since,before,after,till,until,once,assoonas,immediately,instantly,themoment,themimute,thesecond,theinstant,theday,thefirsttime,every/eachtime,…hardly…when…,…nosooner…than…地点状语从句where,wherever,everywhere原因状语从句because,since,as,now(that),considering(that),inthat条件状语从句If如果,unless除非,as/solongas只要,onconditionthat条件是,incase万一;onlyif只要,suppose/supposing(that)假如,provided/providing(that)假如方式状语从句as象…一样,asif/though仿佛,theway用…的方式目的状语从句inorderthat目的是,sothat目的是,incase以免,forfearthat以免,lest以免,以防结果状语从句sothat以致,so/such…that如此…以致…比较状语从句...as…as……notas/so…as……than……notsuch…as……thesame…as…让步状语从句though,although,as虽然(用在倒装句中),evenif/though即使,while虽然,nomatterwho/what/when/where/how/why,无论是谁/什么/何时/何地/怎么/为什么whoever,whatever,whenever,wherever,however,whether…(or…)无论是…还是…,inspiteofthefactthat,despitethefactthat三.使用注意点1.时间状语从句(1)when可指“一段时间”也可指“时间点”,译为“在。。。期间”“就在。。。时候”,从句中的动作可以是持续的也可以是短暂的while只可指“一段时间”,译为“在。。。期间”从句中的动作是持续的as表示动作与主句动作同时发生,动作可以是短暂的也可以是持续的Heenteredtheroom___________themeetingwasgoingon._________hecomes,I’lltellhimaboutit._________Jimwasreading,Tomwaswriting._________shesawme,shewavedatme.(2)一些名词或副词可转化为连词,引导时间状语从句表示“一…就…”themoment/minute/second/instant,immediately,instantly表示“每当…”every/eachtime2表示“第一次…”thefirsttime表示“那一天/年…”theday/year_________________youarrivethere,sendmeatelegram._________________Isawher,Ifellinlovewithher.Herushedintohisbedroom__________________heheardthesuddennoise.(3)“…hardly…when”与“…nosooner…than…”连接两个动作时,表示动作几乎同时发生,当hardly,nosooner位于句首时,主句中助动词提前倒装。Ihadhardly/nosoonersteppedoutwhen/thanitbegantorain.Hardly/NosoonerhadIsteppedoutwhen/thanitbegantorain.(4)until和till引导的时间状语从句相同点——肯定句中指“主句动作延续到until或till引导的时间为止”,否定句中指“主句动作直到until或till引导的时间为止才发生”Iwaiteduntil/tillhecameback.我一直等到他回来。Ididn’tfinishtheworkuntil/tillhecameback.直到他回来我才完成了这项工作。不同点——a.till一般用在非正式场合,until用法较为正式。b.till引导的时间状语从句不可置于主句前,until引导的时间状语从句可置于主句前或后。c.till一般不用于强调与倒装句式,until可以用与强调与倒装句式,且主句否定词not置于until从句前。Itwasnotuntilthewarwasoverthathewasabletoreturntohiscountry.Notuntilthewarwasoverwasheabletoreturntohiscountry.2.地点状语从句(1)注意区分where引导的地点状语从句、定语从句、名词性从句Thisistheplace(wherehelives).Thisiswherehelives.Wehavefoundwherehelives.Wefoundhim【wherehelived】.Wefoundtheplace(wherehelived).注意点:只有在定语从句中where才可换为“介词in/at/on/…+which”,但状语从句,名词性从句中不可以换。(2)everywhere副词----作状语连词----引导地点状语从句Ihavelookedforthebookeverywhere.副词everywhereIhavebeen.连词(3)wherever引导地点状语从句引导让步状语从句Whereverhegoes,hewillbuyhissona...