高中英语 unit3 the world online grammar and usage教学设计 牛津译林版选修7

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1、Unit3TheworldonlineGrammarandusage教学设计单　　元：Unit3Theworldonline板　　块：GrammarandusageThoughtsonthedesign:本节课学生将学会：1）什么是助动词（用于协助主要动词构成谓语动词词组的词，自身没有词义，不可单独使用）。2）助动词的功能（a.表示时态；b.表示语态；c.构成疑问句；d.与否定副词not合用，构成否定句；e.加强语气）。3）最常用的助动词（be,do,haveandmodals（shall/should/will/would/can/could/may/might

2、/must/need/dare）4）半助动词（have(got)to,hadbetter/wouldsooner/rather(…than)/cannot(help)but/be(not)to/besupposedto/oughtto/usedto/beaboutto/beableto）。练习设计多样，通过操练和运用，突出了在篇章中练习语法结构，训练学生在阅读及其它实际运用中掌握语法知识，提高能力。Teachingaims:1.Afterlearningauxiliaryverbs,thestudentswillknowaboutsomebasicinformat

3、ionaboutauxiliaryverbs(wordsusedasauxiliaryverbs;functionofauxiliaryverbs);2.Afterlearningauxiliaryverbs,thestudentswillbeabletosummarizeusagesofcommonandimportantauxiliaryverbs;3.Afterlearningauxiliaryverbs,thestudentswillapplywhatthey’velearnedaboutauxiliaryverbs.Teachingprocedures:

4、Step1Lead-in(PPT4)Q:Whatareauxiliaryverbs?A:Auxiliaryverbsareusedinformingtenses,moodsandvoicesofotherverbs.Theverbsusedforthispurposeincludebe,do,haveandmodals.[Explanation]学生英文动词种类模糊，所以有必要向学生解释清楚什么是助动词。为学习其功能、搭配奠定基础。Step2Introduction(PPT5)Pointouttheauxiliaryverbs.1.Hedoesn'tlikeEng

5、lish.2.Heissinging.3.Hehasgotmarried.4.HewassenttoEngland.5.Doyoulikecollegelife?6.DidyoustudyEnglishbeforeyoucamehere?7.Docometothepartytomorrowevening.8.Hedidknowthat.[Explanation]让学生试着找出助动词，初步认识助动词，感悟其用法。Step3Presentation(PPT6-24)Auxiliaryverbs:be(am/is/are/was/were/been)do(does/di

6、d)have（has/had）modals（shall/should/will/would/can/could/may/might/must/need/dare）Aphrasalauxiliaryverb（have(got)to,hadbetter/wouldsooner/rather(…than)/cannot(help)but/be(not)to/besupposedto/oughtto/usedto/beaboutto/beableto）1.be（am/is/are/was/were/been）Thesmallanimalsarekeptinthecages

7、.Heisgivingalecture.TheInternethastoomuchinformationthathasnotbeenevaluatedforaccuracy.Yourhouseisbiggerandnicerthanmine.Iamtogoabroadonbusinesstomorrow.Tip:1）be作为本动词表示状态或客观存在等意思。2）be+不定词连用,表示约定、义务、命令等未来的动作或状态。3）be+现在分词构成各种进行时态。4）be+过去分词构成被动语态。5）be用于have/has/had后构成完成时。2.do（does/did）He

8、didn’