2023学年完整版Unit2HealthyEating计划2

教材章节UnitTwo课题Unit2HealthyEating教学计划课型Grammar教学目标知识与能力知识内容Modalauxiliaryverbsgivemoreinformationaboutthefunctionofthemainthatfollowsit.Theirfunctionscanallberelatedtoascalerangingfrompossibility(can)tonecessity(must).等级水平(A)识记(B)理解(C)应用(D)分析(E)综合(F)评价能力目标Usepropermodalverbstoexpresscertainmoodsarisenindifferentlanguagesituations.过程与方法Understandthroughreadingthematerialsanddiscussions.Basedonunderstanding,guideduseofthemodalverbsinsimulatedsituations.Independentpracticeforconsolidation.情感态度与价值观Communicationisnotonlytocommunicatefactsbutalsomoodsandfeelings.Goodcommunicationofmoodsandfeelingsisamostimportantpartofeffectivecommunication.教学设计重点难点分析Functionandpropertiesofmodalverbs.Practicaluseofmodalverbs.教学技术设备Multi-media教学环节学习目标及教学课时1.学习的主要知识Functionandusageofmodalverbs.2.需要掌握的方法Situationcenteredpractice教学课时：1课时课题概述本节知识的主要意义Goodcommunicationofmoodsandfeelingswithmodalverbsisamostimportantpartofeffectivecommunication.本节知识在知识体系中的地位和联系“Modalverb+do”isoneofthewaysoffivewaysofhowthepredicateisformed.石家庄市第一中学教案教学环节分析讲解学生活动设计SteponeIntroductionInthe,amodalverbisanthatcanbeusedtochangetheofasentence.Thekeywaytoidentifyamodalverbisbyits(theyhaveneithernor).ThemodalverbsinEnglishareasfollows,pairedaspresentandforms:shallandshouldwillandwouldmayandmightcanandcouldmustThefollowingarenotmodalverbsbutmaybeusedforasimilarpurpose:oughttoandhadbetterusedtodareandneeddogoingtohavetoHowthemodalverbsareused(I)Shallisusedinmanyofthesamesensesaswill,thoughnotalldialectsuseshallproductively,andthosethatusebothshallandwillgenerallydrawadistinction(thoughdifferentdialectstendtodrawdifferentdistinctions).Instandard,perhapsold-fashionedEnglish,shallinthefirstperson,singularorplural,indicatesmerefuturity,butinotherpersonsshowsanorder,commandorprophecy:"Cinderella,youshallgototheball!"Itis,therefore,impossibletomakeshallquestionsinthesepersons.Shallwe?makessense,shallyou?doesnot.Shallderivesfromamainverbmeaningtoowe,andindialectsthatusebothshallandwill,itisoftenusedininstanceswhereanobligation,ratherthananintention,isexpressed.Shallisalsousedinlegalandengineeringlanguagetowritefirmlawsandspecificationsasintheseexamples:"Thoseconvictedofviolatingthislawshallbeimprisonedforatermofnotlessthanthreeyearsnormorethansevenyears,"and"Theelectronicsassemblyshallbeabletooperatewithinitsspecificationsoveratemperaturerangeof0degreesCelsiusto70degreesCelsius."ShouldShouldiscommonlyused,evenindialectswhereshallisnot.Thenegationis"shouldnot"(orthe"shouldn't").Shouldcandescribeanidealbehaviouroroccurrenceandimpartsameaningtothesentence;forexample,"Youshouldneverlie"meansroughly,"Ifyoualwaysbehavedperfectly,youwouldneverlie";and"Ifthisworks,youshouldnotfeelathing"meansroughly,"Ihopethiswillwork.Ifitdoes,youwillnotfeelathing."Indialectsthatuseshallcommonly,however,thisrestrictiondoesnotapply;forexample,aspeakerofsuchadialectmightsay,"IfIfailedthattest,IthinkIshouldcry,"meaningthesamethingas,"IfIfailedthattest,IthinkIwouldcry."Insomedialects,itiscommontoformthebyusingshould:"Itisimportantthatthelawshouldbepassed"(whereotherdialectswouldsay,"Itisimportantthatthelawbepassed")or"Ifitshouldhappen,wearepreparedforit"(or"Shouldithappen,wearepreparedforit";whereearlyModernEnglishwouldsay,"Ifithappen,wearepreparedforit,"andmanydialectsoftodaywouldsay,"Ifithappens,wearepreparedforit").MayandmightMayandmightdonothavecommonnegativecontractions(equivalentstoshan't,won't,can't,couldn'tetc),althoughmightn'tcanoccurinaskingquestions.("Mightn'tIcomeinifItookmymuddybootsoff?"asareplyto"Don'tcomeinhere!You'llgetthefloordirty!")Bothformscanbeusedtoexpressapresenttimepossibilityoruncertainty("Thatmaybe.").Mightandcouldcanalsobeusedinthissensewithnopasttimemeaning.Mightandmaywouldcarrythesamemeaningin"Johnisnotintheofficetoday,andhecouldbesick."Mayisalsousedtoexpressirrelevanceinspiteofcertainorlikelytruth:"HemaybetallerthanIam,butheiscertainlynotstronger"maymeanroughly,"WhileitistruethatheistallerthanIam,thatdoesnotmakeadifference,asheiscertainlynotstronger."(However,itmayalsomean,"IamnotsurewhetherheistallerthanIam,butIamsurethatheisnotstronger.")Thisisthemeaninginthephrase"Bethatasitmay."Mightcanbeusedinthissenseaswell.Mightcanbeusedinthefirstpersontoexpressthatfutureactionsarebeingconsidered."Imightgotothemalllater"meansthatthespeakeristhinkingaboutgoingtothemall.Mayormightcanbeusedinaquestiontoaskforpermission.Onewhoissaying"MayIuseyourphone?”isaskingforpermissiontousethephoneofthepersonbeingspokento.'Can'or'could'canbeusedinstead,althoughformalAmericanEnglishprefers'may'.Inbothcasesthepreteritformisviewedasmorehesitantorpolite.CanandcouldThenegationofcanisthesingleword"cannot",occasionallywrittenastwowords"cannot"orthecontraction"can't".Thenegationofcouldis"couldnot",or"couldn't".Canisusedtoexpressability."IcanspeakEnglish"means"IamabletospeakEnglish",or"IknowhowtospeakEnglish".Itisalsousedtoexpressthatsomestateofaffairsispossible,withoutreferringtotheabilityofapersontodosomething:"Therecanbeaverystrongrivalrybetweensiblings"canhavethesamemeaningas"Thereissometimesaverystrongrivalrybetweensiblings".Cannotandcan'tcanbeusedtoexpressbeliefsaboutsituations:"Hecannothaveleftalready;whywouldhewanttogettheresoearly?"expresseswithlesscertaintythesamepropositionas"Hehasnotleftalready"does.Bothcanandcouldcanbeusedtomakerequests:"Canyoupassmethecheese?”means"Pleasepassmethecheese".Couldcanbeusedinthesameway,andmightbeconsideredmorepolite.MustMusthasnocorrespondingpreteritform.Thenegationis"mustnot"or"mustn't".Anarchaicvariantisthewordmote,asusedintheexpression"somoteitbe".Mustandhavetoareusedtoexpressthatsomethingisobligatory("Hemustleave").Itcanbeusedtoexpressaprohibitionsuchas"Youmustnotsmokeinhere",oraresolutionsuchas"Imustn'tmakethatmistakeagain".Thereisadistinctionbetweenmustandhavetointhenegativeforms.Inthesentence"Youmustnotgo",itisbeingexpressedthatitisobligatoryforthepersonbeingspokentonottogo;whereasinthesentence"Youdonothavetogo"itisbeingexpressedthatitisnotobligatoryforthepersontogo.Havetocanbeusedforanongoingobligation,suchas"hehastobecareful".Mustandhavetoareusedtoexpressbeliefs(theuse),suchas"Itmustbeheresomewhere"or"Ithastobeheresomewhere",withthesamemeaningas"IbelievethatitverylikelythatitisheresomewhereSteptwo:Guidedexplorationcan&couldReadthefollowingsentencesandtellthemeaningofthewordsinbold:Someofuscanusethecomputernow,butwecouldn’tlastyear.(ability)Canshebeinthecomputercenter?(possibility)Can/CouldIuseyourdictionary?(request)Youcangohomenow.(permission)Exercises1.Michael____beapoliceman,forhe’smuchtooshort.A.needn’tB.can’tC.shouldD.may2.Mr.Bushisontimeforeverything.How____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must3.----IstayedatahotelwhileinNewYork.----Oh,didyou?You____withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayed4.MysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.A.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattendedKeys:BAAAmight&mayReadthefollowingsentencesandtellthemeaningofthewordsinbold:---MayIwatchTVaftersupper?---Yes,youmay.(permission)TodayisSunday.Shemaynotbeinherofficenow.(possibility)Youmayaswellgoandhavealook.(suggestion)Mayyousuccess.(wish)Exercises1.SorryI'mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will_____comewithustonight,butheisn’tverysureyet.A.mustB.mayC.canD.will3.Somepeoplewhodon’tliketotalkmucharenotnecessarilyshy；theyjustbequietpeople.A.mustB.mayC.shouldD.would___wellnotwanttogoonthetrip---shehatestraveling.（2008全国II）A.will

B.can

C.must

D.mayKeys:ABBDwill&wouldReadthefollowingsentencesandtellthemeaningofthewordsinbold:Willyoulendmeyourbook?(request)Wouldyoulikeacupoftea?(suggestion)I’llneverdothatagain.(determination)Hewilloftenreadallnight.(habit)Everyevening,shewouldsitbywindow,deepinthought.(habit)Thisdoorwon’topen.(failureofeffort)NomatterwhatIsaid,hewon’tlistentome.(failureofeffort)Exercises:1.Thewaytheguests___inthehotelinfluencedtheirevaluationoftheserviceA.treatedB.weretreatedC.wouldtreatD.wouldbetreated2.Whatapity.Consideringhisabilityandexperience,he____better.A.needhavedoneB.musthavedoneC.canhavedoneD.mighthavedone3.Liza___wellnotwanttogoonthetrip---shehatestraveling.A.willB.canC.mustD.may4.Althoughthis____soundlikeasimpletask,greatcareisneeded.A.mustB.mayC.shallD.shouldKeys:DDDBshouldReadthefollowingsentencesandtellthemeaningofthewordsinbold:Youshouldkeepyourpromise.(obligation)It’s7o’clock,heshouldbeathome.(possibility)Ishouldadviseyounottodothat.(politeness)Exercise1.Thisprinterisofgoodquality.Ifit_______breakdownwithinthefirstyear,wewouldrepairitatourexpense.A.wouldB.shouldC.couldD.might2.—Idon’tcarewhatpeoplethink.—Well,you_______A.couldB.wouldC.shouldD.might3.Whatdoyoumean,thereareonlytentickets?There_____betwelve.A.should B.wouldC.will D.shallKeys:BCAShallReadthefollowingsentencesandtellthemeaningofthewordsinbold:Shallwebeginourdiscussion?（suggestion）Shallthedriverwait?(requestforathirdperson)Youshallgetthebooktomorrow.(promise)Heshallbepunished.(threat)Youshallgowithme.(order)Exercise1.一Whatdoesthesignoverthereread?一“Noperson________smokeorcarryalightedcigarette，cigarorpipeinthisarea．”[2007四川卷]A．will B．may C．shallD.must2.——What’sthename?——Khulaifi._______Ispellthatforyou?

A.Shall

B.Would

C.Can

D.MightKeys:CAMustReadthefollowingsentencesandtellthemeaningofthewordsinbold:Youmustfinishyourhomeworkfirst.(requirement)Childrenmustn’tspeaklikethattotheirparents.(requirement)---Mustwefinishtheworktomorrow?(requirement)---No,youneedn’t/don’thaveto,butyoumustfinishitinthreedays.Hemustbewateringtheflowersinhisgarden.(probability)Exercise1.He__________havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbytheseaside.A.should B.must C.wouldn’t D.can’t2.----Musthecometosignthispaperhimself?----Yes,he

.

A.need

B.must

C.may

D.willKeys:BBStepthree:thinkingfordepthAnswerthefollowingquestionsthroughlookingbackonthegivenexamplesandtheexercisesabove.Whatkindofverbformisusedfollowingamodalverb?Howaremodalverbsusedtoformnegativeandinterrogativesentences?Howmanytensesaremodalverbsusuallyusedin?Whatarethedifferencesofmodalverbsandotherverbswhenusedinpresenttenseandinthethirdperson?Whichmodalverbwillyouusewhenyouintendtogiveanegativeanswertoaquestionbeginningwith“must”?Previewthispartbyreadingtheprovidedmaterialtogetageneralideaofthedefinitionandfunctionandusageofmodalverbs.Understanding,thinkingandindependentexerciseLookback,thinkandanswerquestions石家庄市第一中学教案当堂训练Thefirespreadthroughthehotelveryquicklybuteveryone_____getout.A.hadtoB.wouldC.couldD.wasabletoWithouttheairtoholdsomeofthesun’sheat,theearthatnight______,tocoldforuslive.A.wouldbefreezingcoldB.willbefreezingcoldlyC.wouldbefrozencoldD.canfreezecoldly---IstayedatahotelwhileinNewYork.---Oh,didyou?You_____withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayed---Alice,whydidn’tyoucomeyesterday?---I_____,butIhadanunexpectedvisitor.A.hadB.wouldC.wasgoingtoD.didJack________yet,otherwisehewouldhavetelephonedme.A.mustn’thavearrivedB.shouldn’thavearrivedC.can’thavearrivedD.neednothavearrived---WhencanIcomeforthephotos?In