高中英语 Unit2 Healthy eating 教案 新人教版必修3 教案 4页

Unit2HealthyEating教案TeachingAims:1.KnowledgeaimsStudentsshallbeabletolearnthebasicusageofthefollowingmodalverbs:can/could;may/might;must/haveto;shall/should;will/wouldImportantpoints1.Theusageofeachpairofthemodalverbs2.Thesamenessanddifferenceamongthesepairsofmodalverbs3.Correctlyunderstandthechangemodalverbsbringtothesentences,thatis,theirfunctions.Step1Revision1.leadinT:Firstwealthishealth.Whatshould/shouldn’twedotokeephealthy?Whatkindoffoodmustweeattobestrong?Whatoughtwetoeattostayslim?__________________________________________________________2.Givesomemoresituationstorevisetheusageofthemodalverbs.a.Mymothercookedalotoffoodforme.Shehasbeencookingallthemorning.-Shemustbetirednow.b.Ihavejusteatenalotoffood.-Youcan’tbehungrynow.c.Myhouseisneartherailway.Itmustbenoisythere.d.ShecalledmeyesterdayeveningbutIdidn’thear.Imusthavebeenasleep.e.Theoldrestaurantmustbeverygood.It’salwaysfullofpeople.f.Thenewrestaurantcan’tbeverygood.It’salwaysempty.g.WhereisBob?Perhapsheisintheoffice.Hemaybeinhisoffice.h.WhereisJane?Perhapssheisreadingthenewspaper.Shemaybereadingthenewspaper.i.Perhapsshewasillyesterday.Shemightbeillyesterday.j.Perhapsshewentfishingyesterday.Shemightgofishingyesterday.\nk.InChinamanychildrenhavetowearuniformwhentheygotoschool.l.Don’ttellanybodywhatIsaid.Youmustkeepitasecret.m.Thefloorisclean.Youneedn’tsweepit.n.IpromisedIwouldbeontime.Imustn’tbelate.o.LastnightPaulbecameillsuddenly.Wehadtocallthedoctor.p.It’ssunnytoday.Youneedn’ttaketheumbrella.q.Wecan’trepairthecarourselves.Wehavetotakeittoagarage.r.Icanmanagetheshoppingalone.Youneedn’tcomewithme.s.Thatisanimportantbook..youmustlookafteritcarefully.t.Youlooktired.Youshouldgotobednow.u.Youshouldn’tbelieveeverythingyoureadontheInternet.v.Excuseme,couldyoutellmethewaytotherailwaystation,please?w.Youarecarryingalotofthings.Youcan’topenthedooryourself.Thereisamanstandingnearthedoor.Yousaytohim:Couldyouopenthedoor,please?x.Wouldyoulikeacupofcoffee?3.Getthestudentstolistthemodalverbsthattheyhavelearned.can/couldmay/mightwill/wouldhadbettershall/shouldmusthavetoneedoughttodare4..Explainthemodalverbsinthefollowingsentences.1).HecanspeakEnglishwell.2).Youcangohomenow.3)Thatcan’tbetrue.4).CouldyoupleaseshowmethewaytoBeihaiPark?5).Theyhuntersarelost.Theycouldstarve.6).MayIcomein?7).Hemaygiveyousomehelp?8).Don’tworry.Iwillhelpyou.\n9).Oftenhewoulddressuplikearichman.10).Wouldyouliketojoinusfordinner?11).YoushallhavetheticketassoonasIgetit.12).Youshouldarriveattheairporttwohoursbeforehegoes.13).Itisfiveo’clock.Heshouldturnupsoon.14).WangFengwinsanawardeveryyear.HemustbestrongStep2DiscoveringusefulstructuresPleasepickoutallthesentencescontainingmodalverbsfromthereadingpassageandlistthem.Matchthefunctionwordsintheboxwitheachofthesentences.Thenmakethreenewsentences.A.IntentionB.DutyC.PromiseD.PossibilityE.Guessing1.Bylunchtimetheywouldallbesold.2.Hisrestaurantoughttobefullofpeople.3.Whatcouldhavehappened?4.Nothingcouldhavebeenbetter?5.Somethingterriblemusthavehappened.6.Iwilltakeallthatfatoffyouintwoweeks.7.Hecouldnotbelievehiseyes.8.Hewonderedifheshouldgotothelibrarytofindout.9.Hecouldn’thaveYongHuigettingawaywithtellingpeoplelies.10.Hehadbetterdosomeresearch.11.Aftereatingintherestaurantpeoplewouldbecomefiredveryquickly.Step3ExercisesFinishEx.2-3onP13Step4UsingstructuresAskyourclassmatequestionsusingthephrasesinthetable(onP50).Thencompletethefollowingtableaccordingtotheexample.Example:\nYOU:Miki,doyouoftengotofastfoodrestaurants?MIKI:No,Idon’t.Youwrite“No”inthetableandthengiveyourownopinionorsuggestions,like“Ithinkheisright.Weshouldn’teattoomuchfastfood,otherwiseitwillcausehealthproblems.”usingmust(n’t),should(n’t),ought(not)toand(don’t)havetoinyoursuggestionsandopinions。Step5PracticeOnpptHomeworkFinishthegrammarpartin“ChangGui”