高一英語必修三unit2教案

Unit2HealthyeatingPeriod3Learningaboutlanguage:Grammar整體設(shè)計教材分析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.教學重點Getstudentstoreviewandconsolidatetheuseofcan,could,may,might,will,would,shall,should,must,can,t.Letstudentslearntheuseofoughtto.教學難點Enablestudentstolearnhowtouseoughttocorrectly.三維目標知識目標Getstudentstoknowmoreaboutmodalverbs.Letstudentslearntheuseofoughtto.能力目標Enablestudentstousemodalverbscorrectlyandproperlyaccordingtothecontext.情感目標Getstudentstobecomeinterestedingrammarlearning.Developstudents,senseofgroupcooperation.教學過程設(shè)計方案(一)—Step1RevisionCheckthehomeworkexercises.Dictatesomenewwordsandexpressions.ReadthepassageComeandEatHereagaintofindwordsandexpressionsthatmeanthesame.AlternativewordsandexpressionsWordsandexpressionsfromthetextAlternativewordsandexpressionsWordsandexpressionsfromthetextshouldrunawayafterdoingsomethingwrongsomethingtomakeyouthinbyeatingitwishtoknowaboutsomethinggetridofsomethingAlternativewordsandexpressionspartsofplantsthathelpfoodmovequicklythroughthebodychangingfoodintosomethingthebodycanuseproperamountofdifferentkindsoffoodneededforgoodhealthGivestudentsaboutfourminutestofindthesuitablewordsandexpressions.Thenchecktheanswerswiththewholeclass.Suggestedanswers:AlternativewordsandexpressionsWordsandexpressionsfromthetextshouldoughttorunawayafterdoingsomethingwronggetawaywithsomethingtomakeyouthinbyeatingitslimmingfoodswishtoknowaboutsomethingcuriositygetridofsomethingthrowawayAlternativewordsandexpressionsWordsandexpressionsfromthetextpartsofplantsthathelpfoodmovequicklythroughthebodyfibrechangingfoodintosomethingthebodycanusedigestionproperamountofdifferentkindsoffoodneededforgoodhealth—Step2Leading-inbyrevisionbalanceddietTranslatethefollowingsentencesandexplainhoweachofthesemodalverbsisbeingusedinthesituations.Hecouldhardlysupporthisfamilybeforehefoundthenewjob.Wherecould/cantheboybenow?May/MightIcomein?Youmay/mightcatchsightofthesunrisefromherewhenyougetupbefore5inthemorning.Youmusthurryuporyou,llbelate.Whateveryouwant,youshallhave.WeshouldreadEnglishaloudeverymorning.Hewouldsitthereforhours,doingnothingatall.Suggestedanswers:.他在找到那份新工作前幾乎無法養(yǎng)家糊口。(ability).那孩子現(xiàn)在能在哪兒呢？(guessing).我可以進來嗎？(askforpermission).你在早晨五點鐘以前起來，或許能從這兒看到日出。(possibility).你必須得快點兒，不然會遲到的。(necessity).你想得到什么，你就可以有什么。(promise).我們應(yīng)該每天早晨朗讀英文。(duty).他總是在那兒一坐就是幾個小時，什么都不干。(pasthabit)—Step3GrammarlearningReadinganddiscoveringAskstudentstoturnbacktoPage10toreadthroughthepassageComeandEatHere,letthempickoutthesentencesusingmodalverbsandtranslatethemintoChinese.Suggestedanswers:1)Bylunchtimetheywouldallbesold.到午飯時分，它們都會賣完。2)Bynowhisrestaurantoughttobefullofpeople.到了這個時候，他的餐館本該賓客盈門的。3)Whatcouldhavehappened?發(fā)生了什么事呢？4)Nothingcouldbebetter.再沒有比這些更好(吃)的了。5)SomethingterriblemusthavehappenedifLiChangwasnotcomingtoeatinhisrestaurantashealwaysdid.要是李昌不像往常那樣來他的餐館吃飯，那問題就嚴重了。6)Hecouldnotbelievehiseyes.他簡直不能相信他的眼睛。7)Perhapsheshouldgotothelibraryandfindout.也許他應(yīng)該去圖書館查查清楚。8)HecouldnothaveYongHuigettingawaywithtellingpeoplelies!他不可能讓詠慧哄騙人們后跑掉。9)Hehadbetterdosomeresearch.他最好作一番調(diào)查。10)Theywouldbecometiredveryquickly.他們很快就會到疲乏。11)Perhapswithadiscountandanewsignhecouldwinhiscustomersback.或許打折的方法和新的招牌能夠幫他贏回顧客。ThinkinganddiscussingLetstudentsreadaloudthesentencestheypickedout,thinkoveranddiscusswithapartnerhoweachofthesemodalverbsisbeingusedinthesituations.Usethefunctionwordsbelowtoexplainthemeaningofthemodalverbs.Ifstudentshavesomedifficulty,givethemahand.IntentionDutyPermissionPossibilityGuessingAbilitySuggestedanswers:1)Possibility2)Possibility3)Possibility4)Possibility5)Guessing6)Intention7)Duty8)Intention9)Duty10)Possibility11)AbilitySummingup:theuseofoughttooughtto的用法ought無人稱和時態(tài)的變化，后接帶to的動詞不定式。oughtto可表示“義務(wù)”“要求”或“勸告”，常譯作“應(yīng)該”“應(yīng)當”等，和should差不多，只是語氣稍重一些；有時表示“非?？赡堋钡囊馑?。否定式為oughtnotto(oughtn,tto),疑問式為OughtI/you/...to...?.表示“責任或義務(wù)”Suchthingsoughtnottobeallowed,oughtthey?這類事情不應(yīng)該被準許，是嗎？—Oughthetogo?他應(yīng)該去嗎？—Yes,heoughtto.是的，他應(yīng)該去。.表示“適當，合適或應(yīng)該”Coffeeoughttobedrunkwhileitishot.咖啡應(yīng)該趁熱喝。Thereoughttobemorebusesduringtherushhours.在上下班高峰期，公共汽車應(yīng)當多一些。.表示“可能性”Harryoughttowinthisrace.哈里應(yīng)該會贏得這場比賽。Ifhestartedatseven,heoughttobeherenow.假如他在七點出發(fā)的話，現(xiàn)在大概到這兒了。.表示“勸告或建議”Ithinkyououghttoeatmorebody-buildingfood.我認為你應(yīng)當多吃些有營養(yǎng)的食物。HesaidIoughttodothatjob.他說我適宜做那項工作。.表示“推測”，意為“照說應(yīng)該；想必一定"，后踉不定式的一般時、進行時或完成時,分別表示對現(xiàn)在、現(xiàn)在進行或過去情況的推測。Shehashadworkingexperiencebefore.Sheoughttobefitforthejob.她以前有過工作經(jīng)驗，應(yīng)該勝任這項工作。It,sjust9o,clock.Maryoughttobedoingherhomeworkinherroomnow.才剛九點，按說瑪麗應(yīng)該在房間里做作業(yè)。Itoughttohaverainedlastnight.昨晚應(yīng)該下過雨。.表示“責備或后悔”oughtto后接不定式的完成式時，表示“本應(yīng)該做某事而事實上沒做”；其否定式表示“本不應(yīng)該做某事而事實上做了”。Yououghttohavedonetheseexercisesbecauseyouwererequiredtosoduringyourholidays.這些練習你本應(yīng)該做完的，因為假期里就要求你做了。Sheoughtnottohavetoldhimthebadnews,whichhadabadeffectonhisexaminations.她本不應(yīng)該告訴他這個不幸的消息，結(jié)果影響了他的考試。—Step4GrammarpracticeTurntoPage13.AskstudentstodoExercise2inDiscoveringusefulstructures.Firstletthemdiscussinpairshoweachofthesemodalverbsisbeingusedinthesituations.Thenchecktheanswerswiththewholeclass.Givesomeexplanationsifnecessary.TurntoPage50.AskstudentstodoExercise1andExercise2.Checktheanswersaftermostofthemfinish.—Step5AskingandansweringLetstudentsworkinpairs.Oneasksaquestionandtheotheranswersit.Remindthemtousemodalverbsintheiranswer.Showthefollowingonthescreentostudents.Example:S1：Whatshouldyoudoafterschool?S2:Ihavetogohomeatonce.Ineedtotakethebus.IoughttodomyhomeworkassoonasIgethome.Otherpossiblequestions:Doyouknowwhatyouhavetodowhenyouborrowbooksfromthelibrary?Doyouknowwhattodowhenyourteethache?Doyouknowwhattodoifyouneedtomeetsomeoneyoudon,tknowattheairport?Doyouknowwhattodoifyouwanttogetadiscountinashop?Doyouknowwhatyoushoulddowhenyoumeetthehostessinyourfriend,shome?Thefollowingproceduresmaybefollowed:Letstudentsaskandanswerthequestionsinpairs.Askasmanypairsaspossibletoperformtheirdialoguetotheclass.—Step6ClosingdownbyaquizShowthefollowingexercisesonthescreen.Letstudentsfinishthemwithinthreeminutestoseeiftheyhavemasteredtheuseofmodalverbs.Fiveminuteslater,checktheanswerswiththewholeclass.一What,sthematterwithyou?一Oh,I,mnotfeelingwellinthestomach.Isomuchfriedfishjustnow.A.shouldn,teatB.mustn'teatC.oughtn,ttohaveeatenD.mustn,thaveeaten一Mum,IclimbedtogettheTeddyBearfromthetopoftheshelf.一Mygoodness!Youyourself.Youdothatagain.A.musthavehurt;mustn'tshouldhavehurt;can,tmayhavehurt;mustn'tmighthavehurt;won,tbeabletoThetrainwastenminuteslate,soIhaverunallthewayfrommyhousetothestation.A.couldn,tB.shouldn,tC.needn,tD.mustn,tYouworryabouttheoldman.Hewellalready.A.needn,t;maygetB.didn,thaveto;getsC.mustn't;gotD.needn,t;mayhavegotten一ShallItellJohnaboutit?一No,you,forI,vetoldhimalready.A.needn,tB.wouldn,tC.mustn,tD.shouldn,tSuggestedanswers:CCCDA—Step7HomeworkFinishofftheworkbookexercises.PreviewthereadingpassageComeandEatHere（2）onPage14,findthesentencesinwhichmodalverbsareused,andseeifyoucanunderstandthesituations.設(shè)計方案（二）—Step1RevisionCheckthehomeworkexercises.TranslatethefollowingintoEnglish.1）平衡膳食2）應(yīng)該；應(yīng)當3）減肥；體重減輕4）被放過；（做壞事）不受懲罰5）說謊；撒謊6）到了這個時候，他的餐館本該賓客盈門的。7）再沒有比這些更好（吃）的了。8）要是李昌不像往常那樣來他的餐館吃飯，那問題就嚴重了。9）他簡直不能相信他的眼睛。10）他不可能讓詠慧哄騙人們后跑掉?！猄tep2WarmingupbyaskingandansweringLetstudentsworkinpairs.Oneasksaquestion.Theotheranswersit.Remindthemtousemodalverbstheyhavelearnedintheiranswers.Example:Whatshouldyoudoafterschool?Ihavetogohomeatonce.Ineedtotakethebus.IshoulddomyhomeworkassoonasIgethome.—Step3DiscoveringusefulstructuresAskstudentstounderlinethesentencescontainingmodalverbsinthereadingpassageandusethefunctionwordsbelowtoexplainthemeaningofthemodalverbs.IntentionDutyPermissionPossibilityGuessingAbility—Step4LearningtheuseofoughttoAskstudentstoturntoPage91andlearnthepart6oughtbythemselves.Encouragethemtoaskasmanyquestionsaspossible.Givethemexplanationsifnecessary.Letthemdosomeadditionalexercises.Sumup.—Step5PracticeAskstudentstofinishthefollowingexerciseswithin8minutes.Thenchecktheanswerswiththewholeclass.Exercise2inDiscoveringusefulstructuresonPage13.Exercise1inUsingstructuresonPage50.—Step6ConsolidationLetstudentsworkinpairstochooseoneofthesituationsbelowanddevelopitintoaconversation.Makesuretheyuseasmanymodalverbsaspossible.Yourfriendseessomeonestealapursefromanoldlady,spocket.He/Shedoesnothingbutisveryworriedaboutthis.He/Shecomesuptoyouforyouradvice.Whatwouldyoutellhim/hertodo?Yourfriendhasborrowedyourmobilephoneandlostitwhilehewasoutwithhisfriends.

Youareveryangrywithhim.Heisnotconcerned.Whatareyougoingtosaytoeachother?—Step7HomeworkFinishofftheWorkbookexercises.Practiceyourconversationwithyourpartnerandbereadytopr