原因状语从句市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,一.,原因状语从句,二,.结果状语从句,三.,练习题,姚霞飞,孟丹丹,张志艳,第1页,1.定义：说明主句原因句子叫原因状语从句,2.时态：原因状语从句普通都是依据实际情况选取适当时态。通常是主过从过，主现从现。,3.惯用引导词:because(因为),since(既然),now that(既然),as(因为),for(因为）,第2页,4.because，since,和,as,区分：,1）,because“因为”，表示直接原因，语气最强。,why提问句子，必须用because回答。,eg:I stayed at home because it rained.,第3页,2)since引导原因状语从句普通放于主句之前表示已知、显然理由(通常被翻译成“既然”=now that），较为正式，语气比because弱。,eg:Since you dont trust him,you should not employ him.,eg:Now(that)you are grown up,you should not rely on your,parents.,第4页,3)as引导原因状语从句时表示附带说明“双方已知原因”，含有对比说明意味，语气比since弱，较为正式，位置较为灵活(常放于主句之前),eg：As it is raining,youd better take a taxi.,第5页,4)for引导是并列句，表示原因，但并不说明主句行为发生直接原因，只提供一些辅助性补充说明，for引导并列句只能放于主句之后而且必须用逗号将其与主句隔开。,返回,eg：He seldom goes out now,for he is very old,第6页,1.定义：在句中用来作结果状语句子叫结果状语从句。,2.惯用引导词:so that(如此以致),such that (如此以致),3.时态：结果状语从句普通都是依据实际情况选取适当时态。也通常是主过从过，主现从现。,第7页,4.结果状语从句句型：,结果状语从句从句部分是补充说明主句中谓语动词发生结果，通常位于主句之后。结果从句中通常不用情态助动词，但must,can,could除外。结果状语从句其规律由so与such不一样词性决定。such是形容词，修饰名词或名词词组，so是副词，只能修饰形容词或副词。so还可与表示数量形容词many,few,much,little连用，形成固定搭配。,第8页,1,),so,+形/副+,that,从句,eg:The boy is so young that he cant go to school.,2),so+many/few（+,复名,）+that,从句,eg:,There are so many picture-story books that the boy wont leave.,第9页,3)so+much/little（+,不可数名词,）+that,从句,eg：He gave me so little time that it was impossible for me to finish the work on time.,4)so+,形,+a/an+,单名,+that,从句,eg：It was so hot a day that they wanted to go swimming.,第10页,5)such+a/an+形+单名+that从句=so+形+a/an+单名+that从句,eg：He is such a young boy that he cant go to school.,=He is so young a boy that he cant go to school.,第11页,6）such+形+复名/不可数名词+that从句,eg：They are such fine teachers that we all hold them in great respect,返回,第12页,5、结果状语从句与简单句转换：,1)so that(从句为必定句)=形/副+enough+(for sb.)to do sth,eg：He is so old that he can go to school alone.,=He is old enough to go to school alone.,第13页,2)so that(从句为否定句)=too+形/副+(for sb.)to do sth.,eg：The problem is so hard that I cant work it out.,=The problem is too hard for me to work out.,第14页,1._ youve got a chance,you might as well make full use of it.,A.Now that B.After,C.Although D.As soon as,解析：主句与从句之间存在因果关系，且“youve got a chance”表示一个显而易见原因，所以应选取表原因now that。,第15页,2.He found it increasingly difficult to read,_ his eyesight was beginning to fail.,A.and B.for C.but D.or,解析：“his eyesight was beginning to fail”是“he found it increasingly difficult to read”原因，所以本题应选取能够表示原因连词for引导原因状语从句。,第16页,3.The book was written in easy English even primary school students could understand it.,A.so;that B.such;that,C.too;to D.very;that,解析：依据题意从A和B中选，因为easy English是表示简单英语，属于名such修饰名词，所以本题选B,第17页,4.Zhou libo is shanghais favourite funny man.He is good at making people laugh.His lively shous werehot that tickets sold out in minnutes.,A.very B.too C.such D.so,解析：从题意可知周立波是一个非常热 情人，句中hot属于形容词所以本题选D.,第18页,5.-You study hard you are sure to pass the exam.,-Thank you for saying so.,A.enough;to B.as;as C.so;that,解析:依据翻译 你学习这么刻苦必定经过考试。hard是形容词所以选C,第19页,6.This meeting is important that you mustnt miss it.,A.Very B.such C.so D.too,解析；翻译是 如此主要，句中important属于形容词所以选C,第20页,7.She was angry couldnt say a word.,A.so;as B.so;that,C.too;to D.very;that,解析:本题翻译是她很生气，都不能怎样怎样。所以依据翻译本题应选B.sothat 汉字翻译 如此以至于，所以本题选B,第21页,8.-good time we had at the party last night.,-Yes.It was exciting party that I would never forget it.,A.What;so B.How;such,C.What a;such an D.How a;so an,第22页,解析:本题依据第二个空排除C.D因为exciting属于形容词，so可直接修饰形容词。exciting day 也能够用such a.第一个空依据good time 表示一段美好时光，所以本题选C,第23页,Bye bye,第24页,