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1、Unit1LivingwellPeriod3 GrammarTeachingaims1．Studentswillbeabletorecognizetheinfinitivesandknowtheexactmeaningsofthem.2．Studentswillbeabletousethesestructurescorrectly.TeachingproceduresStep1 RevisionAskseveralstudentstoretellMarty’sstory.ShowMarty’sminibiographyonthePowerPoint.Myminibiograph
2、yNameMartyFieldingStatusHighschoolstudentHealthDevelopedamusclediseaseattheageof10,veryweak,cannotdothingslikenormalpeopleInterestsandHobbies·Enjoyingwritingandcomputerprogramming·Goingtothemoviesandfootballmatcheswithfriends·Spendingalotoftimewithmypets—tworabbits,aparrot,atankfulloffishand
3、atortoiseAmbitionToworkforafirmthatdevelopscomputersoftwareMottoLiveonedayatatimeStep2 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tohavedonetohavebeendone进行式tobedoing/完成进行式tohavebeend
4、oing/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_in_our_neighbourhood_have_access_to_all_public_buildi
5、ngs.（subject）Myambitionis_to_work_inthecomputerindustrywhenIgrowup.（predicative）Idon’thavetimeto_sit_aroundfeelingsorryformyself.（attributive）Iamtheonlystudentinmyclassto_have_a_pet_snake.（attributive）Abigcompanyhasdecidedto_buy_it_from_me.（object）Myfellowstudentshavebegunto_accept_me_for_wh
6、o_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）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（tobedoin
7、g）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。Theboypretendedtobereadingwhenhismothercamein.当他母亲进来的时候,小男孩假装在读书。Heissaidtohav
