選修七unit1 living well period 3

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1、Period3　Grammar設(shè)計者　邵寧寧Teachingaims　　　1．Studentswillbeabletorecognizetheinfinitivesandknowtheexactmeaningsofthem.2．Studentswillbeabletousethesestructurescorrectly.Teachingprocedures　　　Step1　RevisionAskseveralstudentstoretellMarty'sstory.ShowMarty'sminibiographyonthePowerPoint.Myminibiogra

2、phyNameMartyFieldingStatusHighschoolstudentHealthDevelopedamusclediseaseattheageof10，veryweak，cannotdothingslikenormalpeopleInterestsandHobbies·Enjoyingwritingandcomputerprogramming·Goingtothemoviesandfootballmatcheswithfriends·Spendingalotoftimewithmypets—tworabbits，aparrot，atankfulloffi

3、shandatortoiseAmbitionToworkforafirmthatdevelopscomputersoftwareMottoLiveonedayatatimeStep2　Discoveringusefulstructures1．基本概念不定式是動詞的一種非謂語形式，沒有人稱和數(shù)的變化，而且不能單獨用作謂語，但仍舊有動詞的特點，即可有自己的賓語和狀語，構(gòu)成不定式短語，使用頻率較高。是一個考試經(jīng)?？疾榈恼Z法點。2．基本形式主動形式被動形式一般式todotobedone完成式tohavedonetohavebeendone進行式tobedoing/完成進行式to

4、havebeendoing/否定形式nottodonottobedone疑問詞＋不定式wh－todowh－tobedone復(fù)合結(jié)構(gòu)sb.todo/forsb.todo/　　3.句法功能不定式具有名詞、形容詞、副詞的特征，在句中可以充當(dāng)主語、表語、賓語、定語、狀語和補足語，還可以有自己的邏輯主語，即forsb.todosth.。Itisgoodto_help_others.(subject)Itismyambitionto_make_sure_that_the_disabled_people_in_our_neighbourhood_have_access_to_all_p

5、ublic_buildings.(subject)Myambitionis_to_work_inthecomputerindustrywhenIgrowup.(predicative)Idon'thavetimeto_sit_aroundfeelingsorryformyself.(attributive)Iamtheonlystudentinmyclassto_have_a_pet_snake.(attributive)Abigcompanyhasdecidedto_buy_it_from_me.(object)Myfellowstudentshavebegunto_a

6、ccept_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)4．不定式的時態(tài)與語態(tài)根據(jù)需要，不定式可以有一般式(todo)，完成式(tohavedone)，完成進行式(tohavebeend

7、oing)，進行式(tobedoing)等時態(tài)形式以及被動形式tobedone和tohavebeendone。Hedidn'tallowustogohomeearly.他不允許我們早回家。Heseemedtohaveseenthefilm.他好像看過這部電影。Sheissaidtohavebeenlivinginthecityforsixyears.據(jù)說她住在該城市六年了。Theboypretendedtobereadingwhenhismothercamein.當(dāng)他母親進來的時候，小男孩假裝在讀書。Heissaidtohav