状语从句教学探讨完善后.ppt

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,*,*,状语从句教学,探讨,2014年5月28日,写出5个基本时态,1.一般现在时 S+V,（1）（2）-s,2.一般过去时 S+Ved,3.一般将来时 S+will+V,4.现在进行时 S+be+Ving,5.现在完成时 S+have/has+Ved,翻译：（课外用时,2,分钟）,因为.,yesterday,如果.,at home,在.以后,for people,当.时候,b,y bus,在.,.,以前,什么是状语：,表示：时间、地点、目的、条件、原因、方式、伴随、让步.（30秒）,时间,地点,目的,原因,方式,.,读句子,并就状语部分划,一划，并标出它是属于哪一类型的状语。,（,3,分钟）,I worked,yesterday,.,He works at home.,We work for people.,He came to see me.,He didnt go to school because of the rain.,We go to school by bike.,I go home,after,school.,（切入点）,I go home,after,I clean the room.,（讨论：第,7,、,8,句。）（请同学们充分发表自己的看法，不要求一答就对）,一起来看看，你都找对了吗？,（,3,分钟）,I worked,yesterday,.,（时间状语）,He works,at home.,（地点状语）,We work,for people.,（目的状语）,He came,to see me.,（,目的状语）,We go to school,by bike.,（方式状语）,I go home,after school.,（时间状语）,I go home,after I clean the room.,（时间状语）,（讨论：,第,7,句是状语，第,8,句是状语从句）,区别 读一读，并说一说哪些是状语从句，并划一划状语从句部分。哪些不是。（课外,4,分钟）,I often play games after class.,I go home after I finish my lessons.,Marry didnt go to work because she was ill.,They are healthy because they do exercise every day.,The man was watching TV at home at eight oclock last night.,They kiss each other when they meet.,（通过独学,-,对学,-,群学来探究：结构：引导词,+S+V,）,你都写对了吗？,I often play games after class.,I go home,after I finish my lessons.,Marry didnt go to work,because she was ill.,They are healthy,because they do exercise every day.,The man was watching TV,at home at eight oclock last night.,They kiss each other,when they meet.,（通过独学,-,对学,-,群学来探究：结构：引导词,+S+V,）,状语从句的引导词有,引导词when，after，before，because，if.，请你说出其意思如，,When,+S+V.当.的时候,a,fter,+S+V.,b,efore,+S+V.,i,f,+S+V.,because,+S+V.,造句（状语从句部分），,如，when。,w,hen,+S+V,.,when,I was young,when,he is at home,when,we get up,用含有,when,的,状语从句造句。,I liked playing basket,when I was young,.,W,hen I was young,I liked playing basketball.,He always helps his mother,when he is at home,.,W,hen he is at home,he always helps his mother.,造句（状语从句部分），,a,fter,+S+V.,a,fter,I go home.,a,fter,he went shopping.,a,fter,we play basketball.,用含有,after,的,状语从句造句。,I watched TV,a,fter,I finished my homework.,A,fter,I finished my homework,I watched TV.,He went to the park,a,fter,he went shopping.,A,fter,he went shopping,he went to the park.,Please give me a ring,a,fter,you talk to your parents.,A,fter,you talk to your parents,please give me a ring.,造句（状语从句部分），,b,efore+S+V.,1.,b,efore,you finish your homework.,2,.b,efore,he graduated form college.,3,.b,efore,we have lunch,.,用含有,before,的,状语从句造句,Dont leave,before finish your homework.,Before finish your homework,dont leave.,He was poor,before he graduated form college.,Before he graduated form college,he was poor.,You should wash your hands,b,efore,you have lunch.,B,efore,you have lunch,You should wash your hands.,造句（状语从句部分），,b,e,cause,+S+V.,because,+S+V.,because,I havent finished my homework.,because,his English is poor.,because,it is sunny.,用含有,because,的,状语从句造句,I cant play computer games,because I havent finished my homework.,造句（状语从句部分），,i,f+S+V.,If,he comes,If,it doesnt rain.,If,Im free tomorrow,你都分清楚主句与从句了吗？,Ill tell you,if he comes.,If he comes,Ill tell you.,Ill go there,if it doesnt rain.,If it doesnt rain,Ill go there.,Ill go with you,if Im free tomorrow.,If Im free tomorrow,Ill go with you.,观察：如果从句放在句首的，该怎么办？,Ill tell you,if he comes.,主句 从句,（,主句在前无逗号,）,If he comes,Ill tell you.,从句 主句,（,主句在前无逗号,）,试着找出从句与主句。,Ill go there,if it doesnt rain.,If it doesnt rain,Ill go there.,Ill go with you,if Im free tomorrow.,If Im free tomorrow,Ill go with you.,主句与从句,的关系,主句 从句,S+V.,when I was young,.,S+V.,when he is at home,.,S+V.,when we get up,.,一个句子中，有两个句子的，主要的句子叫主句，次要的句子叫从句。,主从关系,主句,从句,S +V,S +V.,.,I go home,after I work,.,一个句子中，有两个句子的，主要的句子叫主句，次要的句子叫从句。,从句 主句,S +V，,S+V,.,After I work,I go home,.,（请观察：如果从句放在句首的，该怎么办？）,状语从句结构,主从关系1,主句 从句,1.S+V,（1）（2）,-s,-,S+V,（1）（2）,-s,2.S+will+V-,S+V,（1）（2）,-s,（重点考点）,3.S+can+V-,S+V,（1）（2）,-s,4.V.-,S+V,（1）（2）,-s,状语从句结构,主从关系2,主句 从句,1.S+V,ed,-,S+V,ed,2.S+was+Ving-,S+V,ed,3.S+would+V-,S+V,ed,4.S+have+Ved-,S+V,ed,