课件(目的状语从句)

原因状语从句、目的状语从句、结果状语从句教师：王丽班级：初二日期：2012/5/18Reviewing:状语从句（9种）原因状语从句目的状语从句时间状语从句地点状语从句方式状语从句让步状语从句结果状语从句比较状语从句条件状语从句时间状语从句引导时间状语从句的连词：when,while,as,until/till,after,befroe,since,assoonasIwilltellyouassoonasIthetickettothefootballmatch.A.willgetB.getC.gotD.amgetting解析：assoonas引导的时间状语从句，用一般现在时表将来时。此句可译为：我一得到足球比赛的票就给你打电话。CLead-in:1.Iwasill.Ididn'tgo.2.Hehasboughtabike.Hecangettoschoolquickly.Ididn'tgobecauseIwasill.Hehasboughtabikesothathecangetschoolquickly.3.Itisverycoldoutside.Nobodywillgoouttoplay.Itissocoldoutsidethatnobodywillgoouttoplay.析：第一个句子是由because引导的原因状语从句；第二个句子是由sothat引导的目的状语从句；第三个句子是由so...that引导的结果状语从句。原因状语从句常见的引导原因状语从句的引导词：as（因为）,because（因为）,since（由于，既然）1.Hewasabsentfromschoolbecausehewasill.例句：2.Sinceeveryonemakesmistakes,youshouldn'talwayscriticisehim.既然每个人都犯错误，你不应该总是批评他。3.Asitwasapublicholiday,alltheshopswereshut.由于是公共节假日，所有的商店都关门了。as,since,because的区别：1.as表达已知的、明了的原因;2.since表达推断的、既然发展的原因;3.because表达的是直接非推断的原因。because可以加just、only等强调词，而as和since不能。注：当放在句末表示推断时，要用for，而不能用becausebecause,as,since,for:语气位置意义because最强前或后“原因”；表客观因果关系；回答“why”as较强前“由于”；把众人所知的事实当作理由since较弱前“既然”；就对方陈述的事实作为理由for最弱后“理由”；对某一事实进行推断的理由例1：---DidyougiveTomacall?---Ididn'tneedtoIwillseehimsoon.A.whenB.thoughC.untilD.because析：前后两个分句是因果关系，应该用because连接。B例2：Iwaslateforclassyesterdaytherewassomethingwrongwithmybike.AwhenBthoughCuntilDbecause析：because引导的原因状语从句。D目的状语从句常见的引导目的状语从句的引导词：sothat(以便，为了)，inorderthat(以便，为了),且从句中有情态动词can,could,will,would,may,might等。IhurriedIwouldnotlateforclass.AsinceBsothatCasifDunless析：sothat引导的目的状语从句。B当主句和从句的主语一致时，从句通常可以写成soastodosth.或inordertodosth.结构。Theybothworkeddayandnightinorderthattheycouldpayofftheirdebt.Theybothworkeddayandnightinordertopayofftheirdebt.他们夜以继日地工作以便能把债还清。Sheboughtadigitalcameraonlineshesavedalotoftime.AsothatBassoonasCnomatterDsuchthat析：sothat引导的目的状语从句。A结果状语从句常见的可以引导结构状语从句的引导词：so...that...：如此...以致于...such...that...：如此...以致于...sothat:以至于，结果1.Therearesomanypeoplethathecan'tpassthecrossroads.2.Therearesuchalotofpeoplethathecan'tpassthecrossroads.3.Hespentallhismoney,sothathecouldn'tbuyotherthings.so..that..，such...that...，sothat之间的区别：区别so...that...so是副词，修饰形容词或副词，so也可以与表示数量的形容词many,few,much,little连用such...that...such时形容词，修饰名词或名词词组sothat引导的结果状语从句，前面常有逗号；若没有逗号而又情态动词，则多为目的状语从句例1：Hewastiredhefellasleepassoonashelaydown.Atoo;toBso;thatCsuch;thatDenough;thatB析：too...to“太...以至于不能”；so...that“太...以至于”；such...that“如此...以至于”。so+adj.，such+n.例2：LastnightJulyworkedlateshedidn'tcatchthefirstbusthismorning.Aas;asBas;thatCso;thatDso;unlessC析：so+adj.+that+从句，表示：如此...以至于...Thankyou!