人教新课标选修8Unit_3_Grammar教学设计.doc

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1、ADesignofTeachingforUnit3InventorsandinventionsPeriod2Grammar:ThePastParticipleasAttribute,PredicativeandObjectComplementⅠTeachingGoalsEnablethestudentstomastertheusageofthepastparticiplesaspredicative,attributeandobjectcomplementbetterbyrevisingit.ⅡTeachingimpor

2、tant＆difficultpointsToanalyseanddistinguishthedifferentusageofthepastparticipleintheconcretecontext.ⅢTeachingmethodsExplanation,Practice.ⅣTeachingaidsablackboard.TeachingDesignProcedure1.ThebasicflowchartofteachingRevision→Presentationandexercise→Testforgoal→Summ

3、ary→Post-teaching2.Teachingsituation:Step1:动词-ed形式作定语过去分词作定语往往与被修饰的词靠得很紧,渐渐地成为一个复合词。这种分词叫分词形容词(theParticipleAdjective),实际上相当于一个单纯的形容词,除表示“完成”的动作之外,还表示“被动”的意义。如：spokenEnglish(英语口语)；icedbeer(冰冻啤酒)；cookedfood(熟食);friedchips(炸土豆条);【重点和难点】——前置定语和后置定语1.不及物动词的过去分词也可作定语，

4、一般作前置定语，不表示被动意义，只强调动作完成。如：fallenleaves落叶；retiredworkers退休工人；therisensun升起的太阳。2.如果被修饰的词是由every/some/any/no+thing/body/one所构成的复合代词或指示代词those或these等时，即使是单一的过去分词作定语，也要放在被修饰词的后面。如：ThereisnothingchangedheresinceIleftthistown.3.过去分词短语有时还可用作非限制性定语，相当于一个非限制性定语从句，前后用逗号分开。如

5、：Someofthem,bornandbroughtupinruralvillages,hadneverseenatrain.4.用作前置定语的过去分词通常来自及物动词，带有被动意义和完成意义。例如：Welikeskatinginthefrozenlakeinthewinter.=Welikeskatinginthelakewhichhasbeenfrozeninthewinter.Howmanyfinishedproductshaveyougotuptonow?=Howmanyproductsthathavebeenf

6、inishedhaveyougotuptonow?a)来自不及物动词的过去分词很少能单独用作前置定语，能作这样用的仅限以下几个词，这时仅表示完成意义，不表示被动意义。例如：aretiredworker=aworkerwhohasretiredanescapedprisoner=aprisonerwhohasescapedafaded/witheredflower=aflowerthathasfaded/witheredfallenleaves=leavesthathavefallentherisensun=thesunt

7、hathasjustrisenareturnedstudent=astudentwhohasreturnedvanishedtreasure=treasurethathasvanishedb)用作后置定语的过去分词通常也来自及物动词，表示被动意义和完成意义。这时过去分词相当于一个定语从句。例如：1.Thingsseenarebetterthanthingsheard.=Thingswhichareseenarebetterthanthingswhichareheard.2.Isthereanythingplannedfo

8、rtonight?(=thathasbeenplannedfortonight)3.Themeeting,attendedbyalotofpeople,wasasuccess．(=whichwasattendedbyalotofpeople)【辨析】过去分词与动词-ing形式作定语时的区别：动词-ing形式作定语时与