高中英语 unit 1 living well period 3教案 新人教版选修7

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1、Period3　GrammarTeachingaims　　　1．Studentswillbeabletorecognizetheinfinitivesandknowtheexactmeaningsofthem.2．Studentswillbeabletousethesestructurescorrectly.Teachingprocedures　　　Step1　RevisionAskseveralstudentstoretellMarty'sstory.ShowMarty'sminibiographyonthePowerPoint.Myminib

2、iographyNameMartyFieldingStatusHighschoolstudentHealthDevelopedamusclediseaseattheageof10，veryweak，cannotdothingslikenormalpeopleInterestsandHobbies·Enjoyingwritingandcomputerprogramming·Goingtothemoviesandfootballmatcheswithfriends·Spendingalotoftimewithmypets—tworabbits，apar

3、rot，atankfulloffishandatortoiseAmbitionToworkforafirmthatdevelopscomputersoftwareMottoLiveonedayatatimeStep2　Discoveringusefulstructures1．基本概念不定式是动词的一种非谓语形式，没有人称和数的变化，而且不能单独用作谓语，但仍旧有动词的特点，即可有自己的宾语和状语，构成不定式短语，使用频率较高。是一个考试经常考查的语法点。2．基本形式主动形式被动形式一般式todotobedone完成式tohavedonetohav

4、ebeendone进行式tobedoing/完成进行式tohavebeendoing/否定形式nottodonottobedone疑问词＋不定式wh－todowh－tobedone复合结构sb.todo/forsb.todo/　　3.句法功能不定式具有名词、形容词、副词的特征，在句中可以充当主语、表语、宾语、定语、状语和补足语，还可以有自己的逻辑主语，即forsb.todosth.。Itisgoodto_help_others.(subject)Itismyambitionto_make_sure_that_the_disabled_people_

5、in_our_neighbourhood_have_access_to_all_public_buildings.(subject)Myambitionis_to_work_inthecomputerindustrywhenIgrowup.(predicative)Idon'thavetimeto_sit_aroundfeelingsorryformyself.(attributive)Iamtheonlystudentinmyclassto_have_a_pet_snake.(attributive)Abigcompanyhasdecidedto

6、_buy_it_from_me.(object)Myfellowstudentshavebegunto_accept_me_for_who_I_am.(object)Ihavehadtoworkhard_to_live_a_normal_life.(adverbial)SomedaysIamtootiredto_get_out_of_bed.(adverbial)Wemustcallonlocalgovernment_to_give_financial_assistance_to_disabled_people.(objectcomplement)

7、4．不定式的时态与语态根据需要，不定式可以有一般式(todo)，完成式(tohavedone)，完成进行式(tohavebeendoing)，进行式(tobedoing)等时态形式以及被动形式tobedone和tohavebeendone。Hedidn'tallowustogohomeearly.他不允许我们早回家。Heseemedtohaveseenthefilm.他好像看过这部电影。Sheissaidtohavebeenlivinginthecityforsixyears.据说她住在该城市六年了。Theboypretendedtobereadi

8、ngwhenhismothercamein.当他母亲进来的时候，小男孩假装在读书。Heissaidtohavestudie