UsinglanguageUnit2Let’scelebrate!CONTENTS01Grammar0203Exercise05LearningObjectivesListening06Summary07Homework04LanguagepointsLearningObjectivesPART.01

LearningObjectivesTomastertheusageofmodalverbs+baseformofverbsandmodalverbs+perfectformforspeculationindifferentsituations.Toenhancetheabilitytocorrectlyapplymodalverbsinvarioussentencepatternswhenmakingguessesthroughrelevantexercises.TounderstandanddiscussthecelebrationactivitiesoftheLanternFestival,suchasholdingalanternriddlescompetition,lettingofffireworksandsoon..Tobeabletoexpresspersonalviewpointsonfestivalcelebrationsandinvitationsusingmodalverbsaccurately.TeachingFocusesandAnticipatedDifficultiesMastertheusageofmodalverbs+baseformandmodalverbs+perfectformforspeculation,andsummarizeexpressionsrelatedtotheLanternFestival.Accuratelydistinguishandapplydifferentmodalverbformsinreal-lifescenariosforspeculation,andenablingthemtovividlydescribetheLanternFestival'scelebrationactivitieswithproperlanguage.PART.02Grammara

ThatiswhyLettersfromFatherChristmas

couldbetheperfectbook...bThechildrenmusthavebeenveryexcitedastheyopenedit.c...theymightnotreceivetheirpresentsiftheywerenotgood1.Whatdothewordsinbold

indicate:anorder,arequest,abilityorpossibility?Thewordsinboldindicatepossibility.Possibility:must>could/mightLookatthesentencesfromthereadingpassageandanswerthequestions.2.Willthemeaningofsentence(a)changeifwereplace“could”with“must”or“might”?Ifwereplace“could”with“must”,themeaningofsentence(a)willchange.Itmeansthespeakerisquitesureaboutthestatement.Ifwereplace“could”with“might”,themeaningofsentence(a)willremainmoreorlessthesame.“Could”and“might”inaffirmativesentenceshaveasimilarmeaningwhenindicatingpossibility.Lookatthesentencesfromthereadingpassageandanswerthequestions.Lookatthesentencesfromthereadingpassageandanswerthequestions.3.Whathappensifwechange“must”and“might”insentences(b)and(c)into“could”?Ifwechange“must”insentence(b)into“could”,itmeansthespeakerisnotsureaboutthestatement,andit'sonlyapossibility.Ifwechange“might”insentence(c)into“could”,itmeansit'simpossibleforthechildrentoreceivetheirpresents.1.表示能力：can表示現在的能力，could表示過去一般的能力。Shecanswimveryfast.WhenIwasyoung,Icouldrun5kmwithoutstopping.2.表示猜測，主要用于疑問句或否定句：could比can可能性更小。Canthisbetrue?→

較直接Couldthisbetrue?→

更委婉3.表示請求和許可：could表示更委婉的語氣，回答時只能用can?！狢ouldIborrowyourpen?→

禮貌請求—Yes,youcan.can和could注意：表示猜測、許可時，could不代表過去，could和can沒有時間上的差別。情態(tài)動詞+動詞原形1.can+完成式：用于對已經發(fā)生的情況進行推測，且主要適用于否定句和疑問句中。Youcan'thaveseenhimhere,forhehasgonetoBeijing.Shecan'thavetoldhimabouttheaccident,orhewouldhavereacteddifferently.2.

could+完成式：用于對過去的情況進行推測，通常在否定句和疑問句中使用。Theycouldnothavearrivedyet,thetrafficisreallybadtoday.Couldtheyhaveleftwithoutsayinggoodbye?can和could情態(tài)動詞+完成式1.表示許可或請求許可：might相較于may，語氣更為禮貌、委婉。MayIuseyourdictionary?MightIhavealookatyournewphone?2.

表示可能性：might比may所代表的可能性程度更低。Itmaysnowtomorrow.Shemightbelateforthemeeting.may和might注意：當表示祝愿時，只能使用may，并且一般置于句首。Mayyouhaveawonderfuljourney!Mayallyourdreamscometrue!情態(tài)動詞+動詞原形1.“may+完成式”：推測的可能性相對較大，但仍然存在不確定性。Hemayhavefinishedhishomework.Shemayhavemissedtheearlybus.Shemayhavetoldhimthesecret.2.“might+完成式”：推測的可能性比“may+完成式”更小，語氣更加不肯定，常用于更委婉、更不確定的推測情境中。Shemighthavegonetothelibrary.Theymighthaveforgottenthemeetingtime.may和might情態(tài)動詞+完成式1.表示推測：用于對現在或將來的情況進行有根據的、非?？隙ǖ耐茰y，意思是“一定；肯定”。Hemustbeathomenow,forthelightinhisroomison.2.表示命令或要求：用于表達說話者的命令、要求或規(guī)定，語氣較為強硬，意思是“必須”。YoumustfinishyourhomeworkbeforewatchingTV.3.表示義務或責任：用于表達某人有責任或義務去做某事。Asacitizen,youmustobeythelaw.Wemustprotecttheenvironment.must情態(tài)動詞+動詞原形1.對過去動作的肯定推測：強調過去某個時間點“一定做了某事”，通常隱含“從現在的跡象或結果來看，過去必然發(fā)生過該動作”。Thegroundiswet.Itmusthaverainedlastnight.2.對過去狀態(tài)的肯定推測：推測過去某段時間“一定處于某種狀態(tài)”。Theymusthavebeenverytiredafterclimbingthemountain.must情態(tài)動詞+完成式注意：must+完成式”的否定推測不能用“mustn’thave+過去分詞”，而需用can’thave+過去分詞（表示“不可能已經……”）。Hecan’thaveleftalready—hisbagisstillhere.Rewritetheunderlinedsentencesintheconversationusingcan/could,may/mightandmust.(Atafancydressparty.)Chris:Ispentagesputtingupalltheballoonsandflowerslastnight.Jean:

Iexpectyouarefeelingtirednow!Chris:Yes,Iam.Look,thatguyisdressedasBatman.IsthatMike?Jean:It'spossiblyhim.Checkoutthatgirlovertheredressedasabride.I'msurethat'sLucy.Chris:No,Idon'tthinkthat'sLucy.Lucyisn'tthattall.Jean:Lookatthosetwoguysdressedaschickens!Oh,they'rewavingatus!Maybethey'refromourschool.Chris:Let'sgoandfindout.Iexpectyouarefeelingtirednow!It'spossiblyhim.I'msurethat'sLucy.Idon'tthinkthat'sLucy.Maybethey'refromourschool.Thatcan'tbeLucy.Youmustbetirednow!Itmay/might/couldbehim.ThatmustbeLucy.Theymay/might/couldbefromourschool.Lookatthepictureandmakeasmanysentencesaspossibleusingcan/could,may/mightandmust.Thewomaninredmustbeveryexcitedtobuysomanythings.Themanwithawalletinhishandmightbeabitreluctanttopay.Thewomanwithglassesmaybeverytiredtogetupsoearlyandcarrysomanybags.Thecashiermightbefeelinguncomfortableasheissweatingalot....UnderlinethewordsandexpressionsaboutcelebrationsduringtheLanternFestivalinthespeechbubblesandcompletethemindmap.Addanymoreyoucanthinkof.LanternFestivalcelebrationsflowersascarfaredenvelopeadresschocolatesriceballsballoonspostersdumplingsbannershaveareuniondinnerholdalanternriddlescompetitionholdalanternfairletofffireworksDescribeafestivalcelebrationusingthewordsandexpressionsyouhavelearnt.Tocelebrate...,weoftendrink/eat...,give...asgifts,decoratewith..Afestivalinvitationthetypesofinvitationsfordifferenteventsandtheetiquetteofarrivingontimewhenacceptinganinvitation.PART.03ListeningListentotheconversationandcompletethesentenceswiththecorrectending.bcfListenagainandcompletethenotes.ThanksgivingThursdayNovemberapartmentbigturkeyapplepiecandiesanythingyoulikeNowtalkaboutwhatthespeakerssaytoextendandacceptaninvitation.Listenagainifnecessary.Workinpairs.Actouttheconversationaboutextendingandacceptinganinvitation.

studentAYouareinvitingateacherfromoverseastocelebrateatraditionalfestival.Youneedtogivehim/herthefollowinginformation:?It’scalledtheDoubleNinthFestival.?It’sontheninthdayoftheninthlunarmonth.?It’satraditionalChinesefestivalcelebratinggoodhealthandalonglife.?It’sagoodopportunitytovisitelderlyrelatives.?Peoplecelebratethefestivalbyclimbingmountains,appreciatingchrysanthemumflowersanddrinkingchrysanthemumwine.?Remembertowearcomfortablewalkingshoes.?He/Shedoesn’tneedtobringanything.Workinpairs.Actouttheconversationaboutextendingandacceptinganinvitation.

studentBYouareateacherfromoverseasworkinginChina.OneofyourChinesestudentsinvitesyoutocelebrateatraditionalfestival.Accepttheinvitation,butaskforthefollowinginformation:?whatthefestivaliscalled?whenthefestivaltakesplace?whatitcelebrates?whatthecustomsare?whatyouneedtobringWorkinpairs.Thinkaboutasimilarsituationandhaveaconversation.PART.04LanguagepointsLookatthosetwoguysdressedaschickens!句意：看那兩個打扮成小雞模樣的家伙！(1)vt.穿衣服；給（某人）穿衣服dresssb./oneselfin...給某人/自己穿……衣服(2)vi.裝扮，喬裝打扮；穿上盛裝dresswell/badly穿著得體/不得體dresssb./oneselfup穿正式服裝例題：

Hedressedhimself_________asuitforthejobinterview.1inbedressedin...穿著……（后可接表示服裝或顏色的詞，表示一種狀態(tài)）注意：bedressedin做狀語或定語時，常去掉be。TocelebratetheLanternFestival,wedecorateourwindowswithballoonsandposters.句意：為了慶祝元宵，我們用氣球和海報來裝飾窗戶。decorate v.裝飾；裝修decorate...with... 用……裝飾……decoration n.[U]裝飾； [C]（常用decorations）裝飾品例題：

Theshopwindowwasfilledwithbeautiful______________.2decorations過去分詞短語“decoratedwith...”常在句中做定語或狀語，decorate與其修飾的名詞或句子的主語構成邏輯上的動賓關系。We’llholdalanternriddlescompetition,too.句意：我們也將舉辦一次燈謎比賽。competitionn.競爭；比賽incompetitionwith...與……競爭competevi.比賽，競爭competeagainst/with...(for...)(為爭奪……)與……競爭competitiveadj.競爭的；有競爭力的competencen.能力，勝任；技能，本領例題：

Ourcompanyisin_______________withseveralothersforthecontract.3competitionPART.05ExerciseWeared____________thegrandhallwithavarietyoffreshflowers,colorfulballoons,andshimmeringribbons.Therearemanybeautifull______