高中英语人教新课标必修3教案：Unit 2　Healthy eating Period 3　Learning about language Grammar

Unit2　HealthyeatingPeriod3　Learningaboutlanguage:Grammar整体设计教材分析Thisisthethirdteachingperiodofthisunit.Totestwhetherstudentshavegraspedtheimportantanddifficultlanguagepointstheylearnedinthelastperiod,theteachershouldfirstofferthemsomerevisionexercises.Thenleadinthenewlesson.Thisteachingperiodmainlydealswiththegrammar:learntheuseofoughttoandreviewtheuseofcan,could,may,might,will,would,shall,should,must,can’t.Studentsoftenfeelmodalverbsabstractanddifficult,soitisnecessarytomakethelessoninterestingandconnectitwiththeirdailylifeinordertoletiteasytoacceptandunderstand.Firstly,theteachercanaskstudentstoreadthereadingpassageComeandEatHere(1)again,tickoutthesentencesusingmodalverbsfromthereadingpassageandtranslatethemintoChinese.Secondly,compareanddiscovertheusesofeachmodalverbbygivingalotofexamplesentences.Thirdly,dotheexercisesinDiscoveringusefulstructuresonPage13andmoreexercisesforstudentstomastertherelatedmodalverbs.Finally,summarizetheuseofoughttoandletstudentsmakeitclearhoweachmodalverbisbeingusedinthesituations.Attheendoftheclass,askstudentstodotheexercisesinUsingstructuresonPage54andadditionalexercisesforconsolidation.教学重点1.Getstudentstoreviewandconsolidatetheuseofcan,could,may,might,will,would,shall,should,must,can’t.2.Letstudentslearntheuseofoughtto.教学难点Enablestudentstolearnhowtouseoughttocorrectly.三维目标知识目标1.Getstudentstoknowmoreaboutmodalverbs.2.Letstudentslearntheuseofoughtto.能力目标Enablestudentstousemodalverbscorrectlyandproperlyaccordingtothecontext.情感目标1.Getstudentstobecomeinterestedingrammarlearning.2.Developstudents’senseofgroupcooperation.教学过程设计方案(一)→Step1Revision1.Checkthehomeworkexercises.2.Dictatesomenewwordsandexpressions.3.ReadthepassageComeandEatHereagaintofindwordsandexpressionsthatmeanthesame.,AlternativewordsandexpressionsWordsandexpressionsfromthetextshouldrunawayafterdoingsomethingwrongsomethingtomakeyouthinbyeatingitwishtoknowaboutsomethinggetridofsomethingAlternativewordsandexpressionspartsofplantsthathelpfoodmovequicklythroughthebodychangingfoodintosomethingthebodycanuseproperamountofdifferentkindsoffoodneededforgoodhealthGivestudentsaboutfourminutestofindthesuitablewordsandexpressions.Thenchecktheanswerswiththewholeclass.Suggestedanswers:AlternativewordsandexpressionsWordsandexpressionsfromthetextshouldoughttorunawayafterdoingsomethingwronggetawaywithsomethingtomakeyouthinbyeatingitslimmingfoodswishtoknowaboutsomethingcuriositygetridofsomethingthrowawayAlternativewordsandexpressionsWordsandexpressionsfromthetextpartsofplantsthathelpfoodmovequicklythroughthebodyfibrechangingfoodintosomethingthebodycanusedigestionproperamountofdifferentkindsoffoodneededforgoodhealthbalanceddiet→Step2Leading-inbyrevisionTranslatethefollowingsentencesandexplainhoweachofthesemodalverbsisbeingusedinthesituations.1.Hecouldhardlysupporthisfamilybeforehefoundthenewjob.2.Wherecould/cantheboybenow?3.May/MightIcomein?4.Youmay/mightcatchsightofthesunrisefromherewhenyougetupbefore5inthemorning.5.Youmusthurryuporyou’llbelate.6.Whateveryouwant,youshallhave.7.WeshouldreadEnglishaloudeverymorning.8.Hewouldsitthereforhours,doingnothingatall.Suggestedanswers:1.他在找到那份新工作前几乎无法养家糊口。(ability)2.那孩子现在能在哪儿呢？(guessing)3.我可以进来吗？(askforpermission)4.你在早晨五点钟以前起来,或许能从这儿看到日出。(possibility)5.你必须得快点儿,不然会迟到的。(necessity)6.你想得到什么,你就可以有什么。(promise)7.我们应该每天早晨朗读英文。(duty)8.他总是在那儿一坐就是几个小时,什么都不干。(pasthabit)→Step3Grammarlearning,1.ReadinganddiscoveringAskstudentstoturnbacktoPage10toreadthroughthepassageComeandEatHere,letthempickoutthesentencesusingmodalverbsandtranslatethemintoChinese.Suggestedanswers:1)Bylunchtimetheywouldallbesold.到午饭时分,它们都会卖完。2)Bynowhisrestaurantoughttobefullofpeople.到了这个时候,他的餐馆本该宾客盈门的。3)Whatcouldhavehappened?发生了什么事呢？4)Nothingcouldbebetter.再没有比这些更好（吃）的了。5)SomethingterriblemusthavehappenedifLiChangwasnotcomingtoeatinhisrestaurantashealwaysdid.要是李昌不像往常那样来他的餐馆吃饭,那问题就严重了。6)Hecouldnotbelievehiseyes.他简直不能相信他的眼睛。7)Perhapsheshouldgotothelibraryandfindout.也许他应该去图书馆查查清楚。8)HecouldnothaveYongHuigettingawaywithtellingpeoplelies!他不可能让咏慧哄骗人们后跑掉。9)Hehadbetterdosomeresearch.他最好作一番调查。10)Theywouldbecometiredveryquickly.他们很快就会到疲乏。11)Perhapswithadiscountandanewsignhecouldwinhiscustomersback.或许打折的方法和新的招牌能够帮他赢回顾客。2.ThinkinganddiscussingLetstudentsreadaloudthesentencestheypickedout,thinkoveranddiscusswithapartnerhoweachofthesemodalverbsisbeingusedinthesituations.Usethefunctionwordsbelowtoexplainthemeaningofthemodalverbs.Ifstudentshavesomedifficulty,givethemahand.Intention　Duty　Permission　Possibility　Guessing　AbilitySuggestedanswers:1)Possibility　2)Possibility　3)Possibility　4)Possibility　5)Guessing　6)Intention　7)Duty　8)Intention　9)Duty　10)Possibility　11)Ability3.Summingup:theuseofoughttooughtto的用法ought无人称和时态的变化,后接带to的动词不定式。oughtto可表示“义务”“要求”或“劝告”,常译作“应该”“应当”等,和should差不多,只是语气稍重一些;有时表示“非常可能”的意思。否定式为oughtnotto(oughtn’tto),疑问式为OughtI/you/...to...?1.表示“责任或义务”Suchthingsoughtnottobeallowed,oughtthey?这类事情不应该被准许,是吗？—Oughthetogo?他应该去吗？,—Yes,heoughtto.是的,他应该去。2.表示“适当,合适或应该”Coffeeoughttobedrunkwhileitishot.咖啡应该趁热喝。Thereoughttobemorebusesduringtherushhours.在上下班高峰期,公共汽车应当多一些。3.表示“可能性”Harryoughttowinthisrace.哈里应该会赢得这场比赛。Ifhestartedatseven,heoughttobeherenow.假如他在七点出发的话,现在大概到这儿了。4.表示“劝告或建议”Ithinkyououghttoeatmorebody-buildingfood.我认为你应当多吃些有营养的食物。HesaidIoughttodothatjob.他说我适宜做那项工作。5.表示“推测”,意为“照说应该;想必一定”,后跟不定式的一般时、进行时或完成时,分别表示对现在、现在进行或过去情况的推测。Shehashadworkingexperiencebefore.Sheoughttobefitforthejob.她以前有过工作经验,应该胜任这项工作。It’sjust9o’clock.Maryoughttobedoingherhomeworkinherroomnow.才刚九点,按说玛丽应该在房间里做作业。Itoughttohaverainedlastnight.昨晚应该下过雨。6.表示“责备或后悔”oughtto后接不定式的完成式时,表示“本应该做某事而事实上没做”;其否定式表示“本不应该做某事而事实上做了”。Yououghttohavedonetheseexercisesbecauseyouwererequiredtosoduringyourholidays.这些练习你本应该做完的,因为假期里就要求你做了。Sheoughtnottohavetoldhimthebadnews,whichhadabadeffectonhisexaminations.她本不应该告诉他这个不幸的消息,结果影响了他的考试。→Step4Grammarpractice1.TurntoPage13.AskstudentstodoExercise2inDiscoveringusefulstructures.Firstletthemdiscussinpairshoweachofthesemodalverbsisbeingusedinthesituations.Thenchecktheanswerswiththewholeclass.Givesomeexplanationsifnecessary.2.TurntoPage50.AskstudentstodoExercise1andExercise2.Checktheanswersaftermostofthemfinish.→Step5AskingandansweringLetstudentsworkinpairs.Oneasksaquestionandtheotheranswersit.Remindthemtousemodalverbsintheiranswer.Showthefollowingonthescreentostudents.Example:S1:Whatshouldyoudoafterschool?,S2:Ihavetogohomeatonce.Ineedtotakethebus.IoughttodomyhomeworkassoonasIgethome.Otherpossiblequestions:1.Doyouknowwhatyouhavetodowhenyouborrowbooksfromthelibrary?2.Doyouknowwhattodowhenyourteethache?3.Doyouknowwhattodoifyouneedtomeetsomeoneyoudon’tknowattheairport?4.Doyouknowwhattodoifyouwanttogetadiscountinashop?5.Doyouknowwhatyoushoulddowhenyoumeetthehostessinyourfriend’shome?Thefollowingproceduresmaybefollowed:1.Letstudentsaskandanswerthequestionsinpairs.2.Askasmanypairsaspossibletoperformtheirdialoguetotheclass.→Step6ClosingdownbyaquizShowthefollowingexercisesonthescreen.Letstudentsfinishthemwithinthreeminutestoseeiftheyhavemasteredtheuseofmodalverbs.Fiveminuteslater,checktheanswerswiththewholeclass.1.—What’sthematterwithyou?—Oh,I’mnotfeelingwellinthestomach.I______________somuchfriedfishjustnow.A.shouldn’teatB.mustn’teatC.oughtn’ttohaveeatenD.mustn’thaveeaten2.—Mum,IclimbedtogettheTeddyBearfromthetopoftheshelf.—Mygoodness!You______________yourself.You______________dothatagain.A.musthavehurt;mustn’tB.shouldhavehurt;can’tC.mayhavehurt;mustn’tD.mighthavehurt;won’tbeableto3.Thetrainwastenminuteslate,soI______________haverunallthewayfrommyhousetothestation.A.couldn’tB.shouldn’tC.needn’tD.mustn’t4.You______________worryabouttheoldman.He______________wellalready.A.needn’t;maygetB.didn’thaveto;getsC.mustn’t;gotD.needn’t;mayhavegotten5.—ShallItellJohnaboutit?—No,you______________,forI’vetoldhimalready.A.needn’tB.wouldn’tC.mustn’tD.shouldn’t,Suggestedanswers:CCCDA→Step7Homework1.Finishofftheworkbookexercises.2.PreviewthereadingpassageComeandEatHere(2)onPage14,findthesentencesinwhichmodalverbsareused,andseeifyoucanunderstandthesituations.设计方案(二)→Step1Revision1.Checkthehomeworkexercises.2.TranslatethefollowingintoEnglish.1)平衡膳食2)应该;应当3)减肥;体重减轻4)被放过;（做坏事）不受惩罚5)说谎;撒谎6)到了这个时候,他的餐馆本该宾客盈门的。7)再没有比这些更好（吃）的了。8)要是李昌不像往常那样来他的餐馆吃饭,那问题就严重了。9)他简直不能相信他的眼睛。10)他不可能让咏慧哄骗人们后跑掉。→Step2WarmingupbyaskingandansweringLetstudentsworkinpairs.Oneasksaquestion.Theotheranswersit.Remindthemtousemodalverbstheyhavelearnedintheiranswers.Example:S1:Whatshouldyoudoafterschool?S2:Ihavetogohomeatonce.Ineedtotakethebus.IshoulddomyhomeworkassoonasIgethome.→Step3DiscoveringusefulstructuresAskstudentstounderlinethesentencescontainingmodalverbsinthereadingpassageandusethefunctionwordsbelowtoexplainthemeaningofthemodalverbs.Intention　Duty　Permission　Possibility　Guessing　Ability→Step4Learningtheuseofoughtto1.AskstudentstoturntoPage91andlearnthepart6oughtbythemselves.2.Encouragethemtoaskasmanyquestionsaspossible.Givethemexplanationsifnecessary.3.Letthemdosomeadditionalexercises.4.Sumup.→Step5PracticeAskstudentstofinishthefollowingexerciseswithin8minutes.Thenchecktheanswerswiththewholeclass.1.Exercise2inDiscoveringusefulstructuresonPage13.2.Exercise1inUsingstructuresonPage50.→Step6ConsolidationLetstudentsworkinpairstochooseoneofthesituationsbelowanddevelopitintoaconversation.Makesuretheyuseasmanymodalverbsaspossible.,1.Yourfriendseessomeonestealapursefromanoldlady’spocket.He/Shedoesnothingbutisveryworriedaboutthis.He/Shecomesuptoyouforyouradvice.Whatwouldyoutellhim/hertodo?2.Yourfriendhasborrowedyourmobilephoneandlostitwhilehewasoutwithhisfriends.Youareveryangrywithhim.Heisnotconcerned.Whatareyougoingtosaytoeachother?→Step7Homework1.FinishofftheWorkbookexercises.2.Practiceyourconversationwithyourpartnerandbereadytopresentittotheclass.板书设计Unit2　HealthyeatingtheuseofoughttoUseExamplesought无人称和时态的变化,后接带to的动词不定式。oughtto可表示“义务”“要求”或“劝告”,常译作“应该”“应当”等,和should差不多,只是语气稍重一些;有时表示“非常可能”的意思。否定式为oughtnotto(oughtn’tto),疑问式为OughtI/you/...to...?(1)ThereissomethingIoughttotellyoubeforeyouleave.(2)Heoughtnottodothat.(3)—Oughthetoseethedoctor?—Yes,heoughtto.(4)Ifsheiscompletelywell,sheoughttobebackatschooltoday.活动与探究Afterclass,makeupadialoguewithyourpartnertotalkaboutfoodyoulikeordislike.Bereadytopresentyourdialoguetotheclass.Youmustusethefollowingexpressionsandasmanywordsthatarereferredtoasyouknow.ExpressionsFoodwordsMyfavoritefood/fruit/meatis...I’mfondof...Idon’tofteneat...Ireallyhate...Ican’tstand...makemegain/loseweightfriedchicken　smokedchicken　roastduckbarbecuedmutton　lemonbeefsweetandsourfish　steamedfish　creamedtomatoes　friedeggplant　cucumbersalad　boiledeggs　stir-friedmushroomsThebeginningisgiventoyou.A:Doyouknowhowtomakesoup?B:Yes,Iputinmushrooms,tomatoesandeggstomakeavegetablesoup.A:Oh,Ican’tstandtomatoes....