高一英语必修三unit2教案

Unit2HealthyeatingPeriod3Learningaboutlanguage: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)→Step3Grammarlearning1.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.IntentionDutyPermissionPossibilityGuessingAbilitySuggestedanswers:1)Possibility2)Possibility3)Possibility4)Possibility5)Guessing6)Intention7)Duty8)Intention9)Duty10)Possibility11)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”H