Unit-2-Period-3-Discovering-useful-structures(ppt课件 )-【新教材】高中英语(人教版选择性必修第二册)

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,人教版 选择性必修二,Period,3,Discovering useful structures,Subject Clauses,Unit,2 Bridging Cultures,人教版 选择性必修二Period 3 Discoverin,1,Teaching Goals,1.Enable the Ss to master the usage of,subject,clauses in this unit.,2.Enable the Ss to use the,subject,clauses patterns flexibly.,3.Train the Ss to apply some skills by doing the relevant exercises.,Teaching Goals1.Enable the Ss,2,自我探究；发现规律,自我探究；发现规律,3,Jacks story,is moving,.,What Jack did,is moving.,主语,在句中充当主语的从句叫做主语从句。,什么是主语从句？,主语从句,是在复合句中充当主语的从句，通常放在主句谓语动词之前；或由形式主语,it,代替，而本身放在句子末尾。,Jacks story is moving.Wha,4,1.What seemed strange before now appears quite normal to Xie Lei.,2.What surprised Xie Lei was that she found herself speaking up in class after just a few weeks.,3.It is important that Xie Lei keeps a balance between her studies and her social life.,5.How,the book will sell depends on its author.,6.It,is important that we all should attend the meeting.,划,出下列句子中的主语从句,1.What seemed strange before n,5,主语,从句的连接词,That,he will win,is,certain.,Whether,hell join us in the discussion,is,of great importance.,1,.从属连词：,that,：,只起引导作用，本身无实际意义，不充当任何成分，但,不能省略,。,whether,：,意为,“,是否,”，不充当从句的任何成分。,主语从句的连接词That he will win is ce,6,2.,连接代词,who,what,which,whoever,whatever,whichever,引导主语从句，包含意思，并在从句中充当成分。,Who,will meet him,is,not decided.,What,you told me just now,was,really a surprise.,Which,class will win the football game,is,not clear.,Whoever,breaks the law,should be,punished.,Whatever,he says,is,of no importance.,Whichever,of you comes first,will receive,a prize.,2.连接代词who,what,which,whoev,7,1)_ you said yesterday is right.,2)_ she is still alive is a consolation,（安慰）,.,3)_ he lost the bike worried him a lot.,4)_ caused the accident remains unknown.,5)_ made matters worse was_ night began to fall.,6)_ we cant get seems better than _ we have.,What,That,That,注：,what,与,that,在引导主语从句时的区别,what,在从句中充当句子成分，如主语、宾语、表语，而,that,则不然。,What,What that,What what,1)_ you said yesterday is,8,Where,we will hold the basketball game,tomorrow,is,not important.,When,she will be back,is,still a question.,Why,he came here,is,not known.,How,we can protect the grain from damp,needs,to be discussed.,3.,连接副词,when,where,why,how,等,引导主语从句，包含意思，并在从句中充当成分，不可省略。,Where we will hold the basketb,9,为了,避免句子头重脚轻，通常把,形式主语,it,放在主语,位置，真正主语置于句末。,(1)it,作形式主语，从属连词,that,引导的从句作真正的主语。,It,be,形容词,(obvious,，,true,，,natural,，,surprising,，,good,，,wonderful,，,funny,，,possible,，,likely,，,certain,，,probable,等,),that,从句。,It isnt likely that,I should accept such an offer as that.,我不可能接受像那样的帮助。,It,be,名词词组,(no wonder,，,an honor,，,a good thing,，,a pity,，,no surprise,等,),that,从句。,Its no wonder that,he didnt want to go.,难怪他不想去。,用,it,作形式主语的结构,it,做形式主语,为了避免句子头重脚轻，通常把形式主语it放在主语(1)it作,10,Unit-2-Period-3-Discovering-useful-structures(ppt课件)-【新教材】高中英语(人教版选择性必修第二册),11,Unit-2-Period-3-Discovering-useful-structures(ppt课件)-【新教材】高中英语(人教版选择性必修第二册),12,Unit-2-Period-3-Discovering-useful-structures(ppt课件)-【新教材】高中英语(人教版选择性必修第二册),13,Unit-2-Period-3-Discovering-useful-structures(ppt课件)-【新教材】高中英语(人教版选择性必修第二册),14,跟踪练习,跟踪练习,15,1.(_ is needed for success),is,your hard work.,2.(_ _can join in the sport meet),is,decided by the teacher.,3.(_ it will rain or not),is,not clear.,4.(_ the earth is becoming warm),is,a good topic for research.,5.(_ the earth is a solid ball),is,known to us all.,重难点突破,分析句子成分,缺主宾表定,缺状语,用连接代词,用连接副词,根据语意缺什么补什么都不缺用,that,或,whether,who_,whether,Why,That,what,1.(_ is needed for success,16,1._ makes dogs identify patients with cancer,is,a mystery.,2,._,he succeeded in applying for the position,made,his family happy.,3.Its not sure _team,will win,the match.,that,、,what,、,which,区别,that,在从句中不作成分，只起连接作用，无意义；,what,在从句中作主宾表或定语，“,what,什么,或所,”,which,在从句中作主宾表或定语，,which“,哪一个”有选择范围。,What,That,which,1._ makes dogs identify,17,1._ breaks the law,will be,punished.,_,breaks the law,he/she,will be punished.,2._ is known to us all,is that,some students cheat in exams at school.,_ is known to us all,that,some students cheat in exams at school.,_,is known to us all,some students cheat in exams at school.,Whoever,No matter who,Whoever,What,It,As,对比训练,1._ breaks the law wil,18,1.,It,is a good idea that/an honor/my pleasure,that,2.,It,is natural/strange/essential/important,.that,sb.should do,3.,It,seems/appears/happened,that,4.,It,is reported/said,that,据报道,It,is,required/suggested,that,sb,（,should,）,do,用,it,作形式主语的句型,:,1.It is a good idea that/an h,19,主谓一致,1.When he will do the experiment _(have)not been decided yet.,2.What we badly need _ enough,time,to sleep.,3.What the boy wants _ some,books,of great benefit.,has,is,are,从句做主语谓语一般用单数,what,从句根据它所指代的内容确认谓语单复数。,主谓一致1.When he will do the expe,20,1,._,the delayed flight will take off depends much on the weather.,2.,Its,uncertain _ side effect the medicine will bring about,although about two thousand patients have take it.,3.,_,was most important to her,she told me,was her family.,4.,_,Li Bai,a great Chinese poet,was born is known to the public,but some wont accept it.,When,what,What,Wher