Unit 2 Natural disasters Grammar and usage示范教学设计【译林版英语高中必修第三册（新课标）】

PAGE\*MERGEFORMAT1Unit2NaturaldisastersGrammarandusage 教学设计 散步教学设计免费下载洗衣歌教学设计免费下载汽车材料教学设计下载爱护水资源教学设计下载一师一优课教学设计下载 I.LearningobjectivesBytheendofthelesson,studentswillbeableto:1.understandthefunctionsofto-infinitivesasattributivesandadverbialsofresult;2.useto-infinitivesasattributivesandadverbialsofresultproperlyindifferentsituations;3.rewriteapassageusingto-infinitives.II.KeycompetencefocusUseto-infinitivesasattributivesandadverbialsofresultcorrectlyandproperly.III.Predictedareaofdifficulty1.Useto-infinitivesasattributivesandadverbialsofresultinnewsituations.2.Rewriteapassageusingto-infinitives.IV.TeachingproceduresStep1Lead-inT:Hello,everyone.Lastperiodwereadtwonewsreportsabouttheluckyescapesfromtwonaturaldisasters.First,I’dliketoshowyoursomesentencesinthesetwonewsreports.•AliceBrown,headteacheratFalmontPrimarySchool,wasteachingwhenthefloorbegantoshake.•Themomenttheshakingstopped,MissBrownsenseditwasthebesttimefortheclasstomaketheirescape.•Shesignalledtoherstudentstoexittheclassroominanorderlylinecoveringtheirheadswiththeirhands.•Thekidswerecalmenoughtoprotectthemselvesduringtheearthquake.•“Wepractiseearthquakesafetyprocedurestwiceayear,”saidMissBrown,“sothekidswerecalmenoughtoprotectthemselvesduringtheearthquake.”T:Inallthesesentences,there’reto-infinitivesusedasdifferentsentenceelements.Intoday’sclass,wewillexploretherulesconcerningto-infinitivesasattributivesandadverbialsofresultandlearntousethemindifferentsituations.【设计意图：学生在初中阶段已经接触过动词不定式的一部分用法，所以先在学生相对熟悉的语境中呈现含有动词不定式的句子，然后再呈现新的语法知识——动词不定式作定语和结果状语，用这个方法帮助学生建立新旧知识之间的联系，从而顺利过渡到新知识的学习。】Step2Exploringtheruleconcerningto-infinitivesasattributives1.TasksSstofindoutto-infinitivesasattributivesintheinterview.T:BelowisaninterviewbetweenAnnaandherteacher,MrLi,abouthisexperiencesduringahurricane.Findthesentenceswithto-infinitivesasattributives.Thefirstonehasbeendoneforyou.Example:IwasstayinginAtlanta,andthatwasoneofthecitiestobehit.T:Tobehitisato-infinitiveasanattributiveusedtomodifyoneofthecities.T:Pleasefindoutallthesentenceswithto-infinitivesasattributivesintheinterview.2.TasksSstoworkouttheruleaccordingtotheabovesentences.•Whentheto-infinitiveisusedasanattributive,itisoftenputafterthenounorpronounitmodifies.3.TasksSstothinkaboutthelogicalrelationshipbetweentheto-infinitiveasanattributiveandthenounorpronounitmodifies.Example:Heisthebestmantochoose.T:Wecanunderstandthesentenceintwoways.First,thesentencecanbeinterpretedas“Heisthebestmantomakethechoice.”Therelationshipbetweenthebestmanandtochooseisthatofsubjectandverb.Second,“Heisthebestmanthatwecanchoose.”Therelationshipbetweenthebestmanandtochooseisthatofverbandobject.4.TasksSstoreadthefollowingthesentencesandworkoutthelogicalrelationshipbetweentheto-infinitiveasanattributiveandthenounorpronounitmodifies.•Apersonneedsjustthreethingstobetrulyhappyintheworld—someonetolove,somethingtodoandsomethingtohopefor.(verb–object)•Wisemenspeakbecausetheyhavesomethingtosay;foolsbecausetheyhavetosaysomething.(verb–object)•Clintwasthesecondpersontosurviveintheearthquake.(subject–verb)•Theneedtoloveandtobelovedisuniversal.(apposition)•Inordertogrow,peopleneedtohaveawillingnesstotakerisksandtoacceptthepossibilitythattheymayfailatfirst.(apposition)5.Tsummarizesthelogicalrelationshipbetweentheto-infinitiveasanattributiveandthenounorpronounitmodifies.TasksSstorewritethefollowingsentences,usingto-infinitivesasattributives.•NootherlocalbeachessurvivedthedisasterwithoutanylossoflifebesidesGoldshoreBeach.→GoldshoreBeachistheonlylocalbeachtosurvivethedisasterwithoutanylossoflife.•Whydon’tyougetabackpack?Youcancarryyourdisastersuppliesinit.→Whydon’tyougetabackpacktocarryyourdisastersuppliesin?•Sheexpressedherwish.Shewantedtogobackafterthefloodstruckherhometown.→Sheexpressedherwishtogobackafterthefloodstruckherhometown.【设计意图：让学生认识到动词不定式作定语在句中的位置，并体会动词不定式作定语时与所修饰的名词或代词之间的逻辑关系，然后设计句子改写的练习，通过实践活动让学生了解如何在句子中使用动词不定式作定语，从而对动词不定式作定语有更深刻的理解，为最后在语篇中使用动词不定式打下基础。】Step3Exploringtheruleconcerningto-infinitivesasadverbialsofresult1.TasksSstoreadtheinterviewagainandfindoutto-infinitivesasadverbialsofresult.Example:Thatmorning,IturnedontheTVforsomelocalnews,onlytohearthatahurricanewasonitsway.T:Onlytohearisato-infinitiveasanadverbialofresult.T:Pleasefindoutallthesentenceswithto-infinitivesasadverbialsofresultintheinterview.2.TasksSstoworkouttheruleaccordingtotheabovesentences.•Whentheto-infinitiveisusedasanadverbialofresult,itcanrefertoanunexpectedresult.Inthiscase,weoftenuseonlybeforetheto-infinitive.3.TasksSstogothroughthefollowingsentencesandfigureoutthefrequentlyusedstructureofto-infinitivesasadverbialsofresult.•It’snevertoolatetolearn.(too...to...)•Iwasfortunateenoughtogettheticket.(...enoughto...)•Janesangsowellastocomeoutfirstinthesingingcompetition.(so...asto...)•Helefthome,nevertoreturn.(neverto...)4.TasksSstogothroughthefollowingsentencesandthinkaboutotherfunctionsofto-infinitivesasadverbials.•Toprotectyourselffromatyphoon,followthepropersafetyprocedures.•Duringatyphoon,youshoulddoyourbesttokeepyourhead.•Payattentiontonewsupdatetoconfirmwhetherthedangerisgone.T:To-infinitivescanalsofunctionasadverbialsofpurpose.5.TasksSstocompletethefollowingsentences.•我匆忙赶到家，结果发现所有的家具都被洪水冲走了。Ihurriedhome,onlytofindallthefurniturehadbeenwashedawaybytheflood.•她很漂亮，吸引了我们所有人。Sheissobeautifulastoattractallofus.•这箱子太沉了，我挪都挪不动。Theboxistooheavyformeeventomove.•不要逃避问题。要想成功，你得学会应对难题。Don’tavoidtheproblem.Tosucceed,youhavetotackleyourdifficulties.6.TasksSstorewritethefollowingsentences,usingto-infinitivesasadverbials.•Wecannotstopnaturaldisastersbutwecanarmourselveswithknowledge.Inthisway,wecanmakefullpreparationsfordisasters.→Wecannotstopnaturaldisastersbutwecanarmourselveswithknowledgesoastomakefullpreparationsfordisasters.•Thekidswereverycalm.Theycanprotectthemselvesduringtheearthquake.→Thekidswerecalmenoughtoprotectthemselvesduringtheearthquake.•Followthepropersafetyproceduressothatyoucanprotectyourselffromatyphoon.→Toprotectyourselffromatyphoon,followthepropersafetyprocedures.【设计意图：在学生认识到动词不定式作结果状语的功能和在句中的位置之后，引导学生总结常见的动词不定式作结果状语的句型，并通过例句复习动词不定式作状语表示目的的用法。之后通过完成句子和改写句子的练习，让学生了解如何在句子中如何使用动词不定式作状语，教学内容的设计始终以学生最后能够在语篇中使用动词不定式为导向。】Step4Applyingtherules1.TasksSstofinishB1onpage21ofthetextbook.2.TasksSstofinishB2onpage21ofthetextbook.3.TasksSstofinishB3onpage21ofthetextbook.4.TasksSstorewriteapassage,usingto-infinitives.【设计意图：这个步骤为学生提供了更多的练习，旨在让学生在感受、熟悉动词不定式作定语和结果状语的用法后，再在新语境中进行模仿和操练，内化所学知识，是语法知识在句子层面和语篇层面中的运用。层层深入的活动设计体现了“学习理解－应用实践－迁移创新”英语学习活动观。】V.HomeworkFinishtheexerciseConpage64ofthetextbook.