Unit1ScienceandScientistsDiscoverUsefulStructures表语从句教学设计-高中英语人教版选择性

Unit1DiscoverUsefulStructuresGrammar表语从句设计理念本节课是定位是表语从句的新授课。主要帮助学生学习表语从句的基本构成和引导词的选择。本节课旨在通过具体语境的练习，提高学生语法的实际运用能力。教学目标学习系动词的知识点、表语从句的基本构成和名词性从句的引导词。学生能在具体语境情境中合理使用表语从句。树立积极正确的价值观和生活态度。教学步骤Activity1:Leadin什么是表语？Iamastudent.Heisselfish表语用来描述主语是什么，包括主语的身份，特征和状态等。表语接在系动词后面。位置:系动词后（be)表语从句Thefactisthatdogschasedme.主语系动词表语从句定义：表语从句放在_系动词__之后，充当复合句中的___表语__。结构：__主语+系动词+引导词+简单句______________。表语从句是对主语进行解释、说明，使主语的内容具体化。表语从句必须用陈述语序。Activity2：表语从句学什么？1）连词：在从句中不充当成分1.Onetheorywas_____badaircausedthedisease总结：that____意义，在表语从句中______成分,起______作用，________省略。2.Whatpeoplereallydoubtis__________thedoctorwilldefeattheseriousillness.总结：连接词whether起_____作用，意为“_________________”，在句中也不作任何成分（注意：if______引导表语从句)。3.Itseemed_______theworldwereingtoanend.总结：asif/asthough意为“_________________”引导的表语从句常置于系动词look,seem,sound,be,bee等后面。4.Whydoesthisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness?Thatis________wehavenotyetlearntomakesensibleuseofit.because意为“______”引导表语从句强调原因，注意与why的区别。2）连接代词：在从句中充当主语、宾语、表语、定语5.Understandingscienceandpushingtheboundariesofscienceis______makesmeimmenselysatisfied.6.Thatis_______manyexpertsareworryingabout.7.TherearedozensofbooksaboutZoologyinlibrary.However,whatreallymakeshimconfusedis_______isthemostsuitableoneforhisresearchpaper.总结：连接代词what,which,who,whom,whose除在句子中起______作用外，还可在从句中作_____、_____、_____或______，且各有词义。3）连接副词：在从句中充当方式、地点、原因、时间状语11.WhatJohnSnowshowedtotheworldwas______choleracouldbeovere.12.TheexactplacesSnowmarkedonthemapwere_______allthosewhodiedhadlived.13.WhatSnowwasdeterminedtofindoutwas________morethan500peoplediedintendays.14.Thenextmajorexplosionisgoingtobe________geneticsandputersetogether.总结：连接副词where,when,why,how除在句中起______作用外，在从句中还充当_______、______、______或______状语，本身具有词义。限时练习：1选词填空(why/how/where)①Thisis______Marymetherhusbandforthefirsttime.②Thisis____weputoffthemeeting.③Thisis____we'vedealtwiththeeconomiccrisis.Attention1:引导词that,because,why的区别1.Thereasonwhyheislateforschoolis________hemissedthebus.2.Whywedecidedtoputoffthefootballmatchis________theweatherwastoobad.总结：当主句的主语是_____________或why引导的__________时常用______来引导表语从句，而不用because。1.Ithinkthat’s_____hewassoangry.2.Ithinkitis________youaredoingtoomuch.3.Thereason______hewassolateis_____itwasraininghard.总结：that/this/it+is/was+why+________(原因/结果)表示“_________________________”that/this/it+is/was+because+_______(原因/结果)表示“________________________”thereasonwhy…isthat…中why是引导_________，that引导的是_________，表示“___________________”。限时练习：①Davidwasinjuredinthetraining._____________hedidn'ttakepartintheOlympicGames.大卫在训练中受伤了，那就是他没有参加奥运会的原因。②Hedidnotseethefilmlastnight._________________hehadtohelphislittlesisterwithherhomework.昨天晚上他没去看电影。那是因为他得帮他的妹妹做作业。③Thereason____hewasabsentfromthemeeting____________________．他缺席会议的原因是他病了。Practice:1.Thisis__________Iwant.2.Theproblemwas______coulddothework.3.Thevillageis_________Iusedtospendmyholiday.4.Thatis___________weneverthoughtofit.5.Thetroubleis__________weareshortoffunds.6.Myproblemis__________coatissuitableforme.7.I’dliketostartmyownbusiness—that’s________IwanttodoifIhadthemoney.8.WhatIwanttoknowis_______willsupportme.9.Therewasanaccident.That’s______hewaslateforclass.10.Whatconcernsmemostis______willbemyteachernextterm.11.Thetroubleis_______Ihavelosthisaddress.12.Thequestionis__________thefilmisworthseeing.13.That’s________IobjecttotheplanAttention2:表语从句中的虚拟语气Myproposalisthatwe(should)startearlytomorrow.Myadviceisthatwe(should)gettherebytrain.Mysuggestionisthatwe(should)goandhelphim.注意：一坚持