状语从句最新课件

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,*,*,The Adverbial Clause,状语从句,状语从句是副词性从句，其句法功能是修饰谓,语或整个句子等，在句中作状语。,状语从句不仅是初中英语学习的重点，而且,也是每年中考必考的内容之一。命题主要集中在,引导状语从句的,引导词、语序、时态,等方面；从,九大状语从句来看，应将复习重点放在,时间,状语,从句、,条件,状语从句、,结果,状语从句和,比较,状语,从句这四种上。,The Adverbial Clause 状语从句,地点,状语从句,时间,状语从句,目的,状语从句,条件,状语从句,方式,状语从句,比较,状语从句,让步,状语从句,结果,状语从句,原因,状语从句,状,语,从,句,地点状语从句 时间状语从句 目的状语从句 条件状语从句 方式,精点拨,时态的呼应,精点拨,时态的呼应,精点,拨,since,，,by,，,before,since,before,after,时,间,状,语,从,句,引,导,词,until,till,When,While,as,as soon as,精点拨 时态的呼应 精点拨 时态的呼应 精点拨 since，,合作探究,unless,在意义上,相当于,if,not,。,“,祈使句,+and(or)+,陈述句,”,在意思上相当于一个带有,条件状语从句的复合句。其,中，,and,表示句意顺承；,or,表示转折，意为“否则”。,引导条件状语从句的连词,有,if,（如果）、,unless,（除,非）等，条件状语从句也,像时间状语从句一样，如,果主句用将来时，从句要,用现在时代替将来时。,条,件,状,语,从,句,用介词,with,without,可以把条,件状语从句改写成,简单句,合作探究 unless在意义上相当于ifnot。“祈,合作探究,试分析以下比较状语从句,This classroom is,as big as,that one.,Dalian is,as beautiful as,Shenzhen,I do,nt,run,as,so fast as,Kang Li,Tom runs faster,than,John does.,He runs faster,than,you,（,do,）,Today is less cold,than,yesterday,形容词比较级表示,The days are getting,越来越,这一概念时有两个句型：,The little girl is becoming,longer and longer.,The harder,more and more beautiful.,you study,the more,you can learn.,合作探究 试分析以下比较状语从句 This classro,合作探究,表示甲超过或不及乙时，,用“比较级,than,从句”,（从句中常省略意义与,主句相同的部分）。,表示甲在某一,方面不如乙时，,用“,not as,so,原级,as”,句型,表示甲与乙在,某一方面相同,时，用“,as,原级,as”,句,型；表示甲在,某一方面不如,乙时,要注意的是表,示,越来越,这,一概念时有两,个句型：,比较级,and,比较级,比,较,状,语,从,句,the,比较级，,+,the,比较,级,合作探究 表示甲超过或不及乙时，用“比较级 than从句”,合作探究,He spoke,so,fast,that,I couldnt follow him,She is,such,a good teacher,that,everybody likes her.,He told us,such,funny stories,that,we all laughed,He is,so,poor a man,that,he cant buy a bike for his,son.,My pencil fell under the desk,so that,I couldnt see it.,试分析,结果状语从句常用句型,合作探究 He spoke so fast that I,合作探究,such a,an,形容词单,数可数名词,that,从句,结,果,状,语,从,句,常,用,句,型,such,形容词复数,可数名词不可数名词,that,从句,so,形容词副词,that,从句,so,形容词,a,an,单数可数名词,that,从句,合作探究 such a an 形容词单数可数名词 t,目的状语从句通常由,in order that,引导,也可由,so,that,引导,so that,既可引导目的状语从句，又,可引导结果状语从句。如何区别？,目的状语从句通常由in order that引导 也可由s,so that,既可引导目的状语从句，又可,引导结果状语从句。区别的办法：,1),目,的状语从句里往往带有情态动词,can,could,may,might,等。,2),从意思上看,从句的目的是否明确。,在不可数名词或,可数名词复数前,只能用,such,结,果,和,目,的,状,语,从,句,难,点,so that,之间只有,形容词时，则不能用,such,代替,so,so that,用在单数可数,名词前，,so,形容词,a,名词,that,在,much,，,many,，,few,，,little,之前只,能用,so,so that,其后接从句,so that既可引导目的状语从句，又可引导结果状语从句。区,原因状语从句,He didnt come to school,because,he was ill.,As,it is raining,we shall not go the zoo.,Since,you cant answer the question,Ill ask,someone else.,She was late for school,because,she missed the bus,=She missed the bus,，,so,she was late for school,He is late for school,because,it rains heavily.,He is late for school,because of,the heavy rain.,He must be ill,for,he is absent today.,原因状语从句 He didnt come to scho,合作探究,because,和,so,不能,同用在一个句子里。,because,和,becouse,of,也有明显的区别。,because,后面要跟从句,，而,because of,后面,要跟名词短语,原因状语从句通常由,because,since,as,引导。,because,从句,一般位于,主句后,；,since,、,as,从句一般,放在,主句前,。,原,因,状,语,从,句,for,是并列连词，引导,的句子,不置于句首,，,是一种非直接的、随,便附加说明的理由或,推断。,合作探究 because和so不能同用在一个句子里。bec,合作探究,试分析让步状语从句,Though,he is young,he knows a lot.,Although,I am tired,I must go on working.,Even if,he is poor,she loves her husband.,我们不能说：,Though,it was raining hard,but,he still went out.,应该说：,Though,it was raining hard,he still went out.,或,It was,raining hard,but,he still went out.,合作探究 试分析让步状语从句 Though he i,because,不能与,并列连词,so,同时,在句中使用,even though,（尽管）,though,although,不能与,but,同时在句中使,用,even,if(,即使）,although,（虽然）,though,（虽然）,whoever,（无论谁）,让,步,状,语,从,句,Whatever,（无论什么）,because不能与并列连词so同时在句中使用 even t,as(,连词,),与,like(,介词,),的区别。,as,作为连词,其后接从句，而,like,是介词，其后要接的,是词组,选择,完型,地点状语从句,地点状语从句常常由,where,来引导,方式状语从句,引导词常用,as,（按照）,方式状语从句,as(连词)与 like(介词)的区别。as 作为连词,2,）当从句的动作发,生于主句动作之前，,只能用,when,引导这,个从句，不可用,as,或,while,。,精确,点拨,When,While,As,区分,3,）,as,when,引导,短暂性动作的动词,表示“当,时”,可以互换。,1)when,表示主句的动作,和从句的动作同时或先后,发生。它既可以指时间段,也可指时间点，,从句中既,可用延续性动词又可用非,延续性动词。,4,）,as,引导时间状语,从句与,when,相似，,但侧重强调主从句动,作同时间点或同时间,段进行。,2）当从句的动作发生于主句动作之前，只能用when 引导这个,I feel very happy,when,you come to see me.,你（们）来看我，我感到很高兴。,When,you are crossing the street,，,you must,be careful.,你（们）过街道时，一定要小心。,When,you have finished your work,you,may have a rest.,你完成作业了才可以休息。,He smiled,as/when,he passed.,他路过,的时候笑了一下。,（两个都是短暂动作）,Helen heard the story,as,she washed.,海,伦一边洗衣服一边听故事。,He saw that she was smiling,as,she read.,他看到她一边看着书一边笑。（两个都是延续,性动作）,I feel very happy when you co,2),before,after,They had already had breakfast,before,they,went to school,They talked about the party,after,the people,left.,before,表示主句发生的动作发生在从句动作之前，意,为“在,之,前”。,after,表示主句发生的动作发生,在从句动作之后，意为,“在,之后”。,2)before,after They had alr,since,：,如：,He has studied very hard,since,he came to our,school.,表示,“,自从,以来,”,，从句中常用过去时，,主句用一般现在时或现在完成时,.,（对,since,引导的时间状语提问要用,how long).,since：如：He has studied very,由,since,，,by,，,before,来引导的时间状语从句。,since,引导的时间状语是动作的开始时间，,如：,I have studied English,since,1990.,而由,by,引导的时间状语通常是动作的结束时间，,如：,I had learned 25 English songs,by,the,end of last term.,注意：,before,则多用于完成时，,ago,则多用于一,般过去时，,如：,He had finished his work before twelve,yesterday,I left my hometown