2019-2020年高中英语Unit13Lesson3教案北师大版必修5

1、2019-2020年高中英语Unit13Lesson3教案北师大版必修5Modals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:Canyo

2、ufinishthisworktonight?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

3、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'thavet

4、ogo.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，

5、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,sotheremustbesomeo

6、neinit,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&

7、#39;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:Ireally

8、regrettedwastedthehourswhenIshouldhavestudied,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.

9、-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.Languagepoints

10、1.It'spossiblethatSamdoesn'bable,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

11、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

12、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

13、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Unitl4CareersLesson1教案北师大版必修5TeachingaimsI. wordsandphrases：II. listeninganddiscussionaboutsomethingofjobsandcareer.III. toreadthetextandstudythelanguagepointsIV. grammar:reportedspeech(I)Teachin

14、gtimeTwoperiodsTeachingprocessStep1Revision:dicationStep2newwordslearningStep3Warm-up1. Readunitobjectives,andaskthestudentstotellthemeanings.2. Exercise1a) letthestudentsreadthekeywordsandthenlookatthephotosandmatchthejobstothephotos.b) studentssuggestmorejobstoaddtothelist.3. Exercise2studentslist

15、entothefoursituationsandmatchthemwithjobsintheKeyWords.4. Exercise3a) readtheexamplesentencesandKeyWordswiththeclassb) givestudentssometimetothinkaboutaprofessionalarethattheyareinterestedinandrehearsewhattosay.c) asksomestudentstotelltheclasswhattheyarethinkingofforafuturecareer.5. Exercise4a)stude

16、ntsdotheexerciseindividuallyfirstb)havesomestudentstodoontheblackboard.Lesson1YourChoicestep4Reading1.Beforeyoustartexercise1:a)readtheKeyWordsfirst.thenstudentschoosethreeadjectivestodescribethemselves.b)checktheiranswers2. Readtolearna)askthestudentslookatexercise2,andthendoitindividuallyb)directc

17、) exercise3studentsreadthekeytothequestionnaireonpage91anddecideifthedescriptionfitstheirpersonalityandiftheywouldliketodothesuggestions.Somestudentssharetheirideaswiththeclass.Step5grammar:ReportedSpeech(I)1.exercise4a)readthefirstsectionofthequestionnaireandtheexamplesentenceswiththeclass.parethemwiththereportedspeech.b)studentsworkinpairs.thenchecktheiranswers.2.exercise5:lookatexercise4,howdopronounschangeinreportedspeech?askstudentstoreadaloudpeople'sactualwordsandthecorrespondingreportedtoseehowthepronounschange.3. exercise6:pletether