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2019-2020年高中英语Unit13Lesson3教案北师大版必修5Modals一.情态动词有can,could,may,might,must,haveto,shall,should,will,would,oughtto,need,dare等.没有人称和数的变化,有词义,但不完整,不能单独作谓语,必须和不带to的动词不定式连用.1.can,could表示能力;客观可能性;许可;请求;表示怀疑,惊异,不相信(主要用于否定句,疑问句或感叹句).表示请求时,使用could比can语气更显得委婉客气,它们在时间上没有差别,could主要用于疑问句,不用肯定句,所以回答时要改用can.Eg:Canyoufinishthisworktonight?Mancannotlivewithoutair.CouldIetoseeyoutomorrow?Yes,youcan.Canthisbetrue?Howcanyoubesorude!2.may,might表示允许,请求;表示可能性(主要用于陈述句,肯定或否定,疑问句用can代替);表示祝愿否定回答用mustn’t,表示“不可以,禁止,阻止”eg:Youmaydrivethecar.MightIuseyourpen?No,youmustn’t.3.must,haveto,oughttomust表示“必须,应该”,强调主观看法,只有现在时形式,否定式是mustnot.Must开头的问句,其否定回答时要用needn’t或don’thaveto代替.must还可以表示必然的结果haveto着重客观需要,能用于更多时态.Oughtto表示义务和责任Eg:Youmustetoschoolontime.MustwehandinourEnglishexercisebooks?No,youdon’thaveto.Thefilmisnotinteresting.Ireallymustgonow.IhadtoworkwhenIwasyourage.Youmustn’tgo.Youdon’thavetogo.4.need,dareneed表示“需要,必要”.只能用于否定句和疑问句中.Dare表示“敢”,常用于否定句,问句和条件状语从句中.5.will,wouldwill表示请求,建议;意愿,决定,允诺;习惯性动作或某种倾向.Would表示请求,建议;过去习惯性动作或某种倾向.6.shall,shouldshall在问句中表示征求对方意见或请求(用于一,三人称);表示说话人的允诺,命令或威胁(用于二,三人称);表示决定或决心(用于第一人称)should表示劝告,建议,命令7.must,canmust用于肯定,表示对当前情况的推测,“一定在…,准是….”.could/can用于否定或问句,表示对当前情况的推测,“不可能是(在)…”或“可能是(在)…”eg:Youcan’tbeserious.Canhebeserious?Ihearwaterrunning.Hemustbehavingabath.8.can,could,may,might,must表示判断的用法比较must用于肯定判断,表示对现在情况的肯定判断..mustbe+doing表示“想必正在做某事”.might/may表示对现在情况的可能性推断.can/could用于否定或问句,表示对现在或当时情况的否定或疑问性推测eg:Thelightisonintheofficenow,sotheremustbesomeoneinit,isn’tthere?--WhereisLiMingnow?–Hemustbeworkinginhisclass.I’mnotsurewhetherhewilletoday.Hemay/mightbeilltoday.TomhasgonetoBeijing,soyoucan’tseehiminyourschoolnow.二.“情态动词+动词的完成时”的用法.1.musthavedone表示对过去情况的推测或估计,表示“想必或肯定(已经)做了某事”.Eg:Thegroudisratherwet,soitmusthaverainedlastnight,didn’tit?2.may/mighthavedone表示对过去情况的可能性推测,表示“可能/大概(已经)做一某事”.Eg:TommayhavegonetoShanghai,butI’mstillnotsureaboutit.3.can’t/couldn’thavedone表示对过去情况的否定性推测,表示“不可能已经做了某事”.Eg:Thegroundisverydry,soitcan’thaverainedlastnight.4.should/oughthavedone表示过去该做某事而没有做的情况,表示说话人后悔,遗憾或责备的语气.Eg:IreallyregrettedwastedthehourswhenIshouldhavestudied,butitwastoolate.5.shouldn’t/oughtn’tto+havedone表示过去不该做某事却已做了的情况.也表示说话人后悔,遗憾或责备的语气.Eg:I’mverysorryforthewordsIshouldn’thavesaidtoyouatthatmoment.6.couldhavedone表示本来能够做却没有做某事的责备语气.Eg:--IpaidavisittoNewYorklastmonth,andwestayedatanicehotel.--Oh,youcouldhavestayedwithBarbara.Sheisalwayswillingtodoyouafavour.7.needn’thavedone表示原本不必做某事但却已做了的情况.Eg:Yourhomeisnotfarformyourschool,soyouneedn’thaveleftinsuchahurrythen.8.wouldratherhavedone表示本来想做某事却未做.Eg:IwouldratherhaveetohelpyouwithyourEnglish,butIwastoobusyatthattime.Languagepoints1.It’spossiblethatSamdoesn’tlikeclassicalmusic..probable,possible,likely均表示可能性.probable比possible表示的可能性大，表“很有可能，大概”，指有实际根据或逻辑上的合情合理.likely是从外表迹象进行判断，有可能发生的事；possible指客观上有可能，但往往含有希望很小的味道;possible不能用人作主语，也不能用人构成复合宾语.possible常用于“Itispossibletodosth.;Itispossibleforsb.todosth.;Itispossiblethat…”等句型中。eg:Itispossible,thoughnotprobable,thathewilletomorrow.Thiswillonlybepossiblewhenscientistshavelearntalotabouttheatmospherethatsurroundstheplanet.She’sverylikelytoringmetonight.Theprobablecauseofhisfailurewasthathehadbeentootired.Itispossibleformetodoit.注意：名词前有all,every,theonly,thebest及其他形容词最高级修饰时.Possible宜放在名词之后，作后置定语。eg:Thisistheonlywaypossible.I’llstudyashardaspossible.Probable也不能用人作主语或构成复合宾语。表示某人做某事，只能用Itisprobable句型。Eg:Itisprobablethatthecostwillbegreaterthanweexpect.Itisprobablethathewille.Likely既可以用人作主语，也可用物作主语。它只能用Itislikelythat句型来代替。Eg:Heislikelytoe.=Itislikelythathewille.表示有可能“成功”时，只能用likely，不能用.probable.eg:Theymightrefusetoletusdoit,butit’shardlylikely.2019-2020年高中英语Unit14CareersLesson1教案北师大版必修5TeachingaimsI.wordsandphrases：II.listeninganddiscussionaboutsomethingofjobsandcareer.III.toreadthetextandstudythelanguagepointsIV.grammar:reportedspeech(I)TeachingtimeTwoperiodsTeachingprocessStep1Revision:dicationStep2newwordslearningStep3Warm-up1.Readunitobjectives,andaskthestudentstotellthemeanings.2.Exercise1a)letthestudentsreadthekeywordsandthenlookatthephotosandmatchthejobstothephotos.b)studentssuggestmorejobstoaddtothelist.3.Exercise2studentslistentothefoursituationsandmatchthemwithjobsintheKeyWords.4.Exercise3a)readtheexamplesentencesandKeyWordswiththeclassb)givestudentssometimetothinkaboutaprofessionalarethattheyareinterestedinandrehearsewhattosay.c)asksomestudentstotelltheclasswhattheyarethinkingofforafuturecareer.5.Exercise4a)studentsdotheexerciseindividuallyfirstb)havesomestudentstodoontheblackboard.Lesson1YourChoicestep4Reading1.Beforeyoustartexercise1:a)readtheKeyWordsfirst.thenstudentschoosethreeadjectivestodescribethemselves.b)checktheiranswers2.Readtolearna)askthestudentslookatexercise2,andthendoitindividuallyb)directc)exercise3studentsreadthekeytothequestionnaireonpage91anddecideifthedescriptionfitstheirpersonalityandiftheywouldliketodothesuggestions.Somestudentssharetheirideaswiththeclass.Step5grammar:ReportedSpeech(I)1.exercise4a)readthefirstsectionofthequestionnaireandtheexamplesentenceswiththeclass.parethemwiththereportedspeech.b)studentswor