Unit1ScienceandScientistsDiscoverUsefulStructures表語從句教學(xué)設(shè)計-高中英語人教版選擇性

Unit1DiscoverUsefulStructuresGrammar表語從句設(shè)計理念本節(jié)課是定位是表語從句的新授課。主要幫助學(xué)生學(xué)習(xí)表語從句的基本構(gòu)成和引導(dǎo)詞的選擇。本節(jié)課旨在通過具體語境的練習(xí)，提高學(xué)生語法的實際運用能力。教學(xué)目標學(xué)習(xí)系動詞的知識點、表語從句的基本構(gòu)成和名詞性從句的引導(dǎo)詞。學(xué)生能在具體語境情境中合理使用表語從句。樹立積極正確的價值觀和生活態(tài)度。教學(xué)步驟Activity1:Leadin什么是表語？Iamastudent.Heisselfish表語用來描述主語是什么，包括主語的身份，特征和狀態(tài)等。表語接在系動詞后面。位置:系動詞后（be)表語從句Thefactisthatdogschasedme.主語系動詞表語從句定義：表語從句放在_系動詞__之后，充當復(fù)合句中的___表語__。結(jié)構(gòu)：__主語+系動詞+引導(dǎo)詞+簡單句______________。表語從句是對主語進行解釋、說明，使主語的內(nèi)容具體化。表語從句必須用陳述語序。Activity2：表語從句學(xué)什么？1）連詞：在從句中不充當成分1.Onetheorywas_____badaircausedthedisease總結(jié)：that____意義，在表語從句中______成分,起______作用，________省略。2.Whatpeoplereallydoubtis__________thedoctorwilldefeattheseriousillness.總結(jié)：連接詞whether起_____作用，意為“_________________”，在句中也不作任何成分（注意：if______引導(dǎo)表語從句)。3.Itseemed_______theworldwereingtoanend.總結(jié)：asif/asthough意為“_________________”引導(dǎo)的表語從句常置于系動詞look,seem,sound,be,bee等后面。4.Whydoesthisappliedscience,whichsavesworkandmakeslifeeasier,bringsuslittlehappiness?Thatis________wehavenotyetlearntomakesensibleuseofit.because意為“______”引導(dǎo)表語從句強調(diào)原因，注意與why的區(qū)別。2）連接代詞：在從句中充當主語、賓語、表語、定語5.Understandingscienceandpushingtheboundariesofscienceis______makesmeimmenselysatisfied.6.Thatis_______manyexpertsareworryingabout.7.TherearedozensofbooksaboutZoologyinlibrary.However,whatreallymakeshimconfusedis_______isthemostsuitableoneforhisresearchpaper.總結(jié)：連接代詞what,which,who,whom,whose除在句子中起______作用外，還可在從句中作_____、_____、_____或______，且各有詞義。3）連接副詞：在從句中充當方式、地點、原因、時間狀語11.WhatJohnSnowshowedtotheworldwas______choleracouldbeovere.12.TheexactplacesSnowmarkedonthemapwere_______allthosewhodiedhadlived.13.WhatSnowwasdeterminedtofindoutwas________morethan500peoplediedintendays.14.Thenextmajorexplosionisgoingtobe________geneticsandputersetogether.總結(jié)：連接副詞where,when,why,how除在句中起______作用外，在從句中還充當_______、______、______或______狀語，本身具有詞義。限時練習(xí)：1選詞填空(why/how/where)①Thisis______Marymetherhusbandforthefirsttime.②Thisis____weputoffthemeeting.③Thisis____we'vedealtwiththeeconomiccrisis.Attention1:引導(dǎo)詞that,because,why的區(qū)別1.Thereasonwhyheislateforschoolis________hemissedthebus.2.Whywedecidedtoputoffthefootballmatchis________theweatherwastoobad.總結(jié)：當主句的主語是_____________或why引導(dǎo)的__________時常用______來引導(dǎo)表語從句，而不用because。1.Ithinkthat’s_____hewassoangry.2.Ithinkitis________youaredoingtoomuch.3.Thereason______hewassolateis_____itwasraininghard.總結(jié)：that/this/it+is/was+why+________(原因/結(jié)果)表示“_________________________”that/this/it+is/was+because+_______(原因/結(jié)果)表示“________________________”thereasonwhy…isthat…中why是引導(dǎo)_________，that引導(dǎo)的是_________，表示“___________________”。限時練習(xí)：①Davidwasinjuredinthetraining._____________hedidn'ttakepartintheOlympicGames.大衛(wèi)在訓(xùn)練中受傷了，那就是他沒有參加奧運會的原因。②Hedidnotseethefilmlastnight._________________hehadtohelphislittlesisterwithherhomework.昨天晚上他沒去看電影。那是因為他得幫他的妹妹做作業(yè)。③Thereason____hewasabsentfromthemeeting____________________．他缺席會議的原因是他病了。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:表語從句中的虛擬語氣Myproposalisthatwe(should)startearlytomorrow.Myadviceisthatwe(should)gettherebytrain.Mysuggestionisthatwe(should)goandhelphim.注意：一堅持