2014高中英语Unit1GreatscientistsPeriod4Learningaboutlanguage（Grammar）TeachingaimsTohelpstudentslearntouseusefulwordsandexpressionsTohelpstudentslearntouseThePastParticiple(1)asthePredicative&attributeTeachingProceduresI.MakingalistMakeisawordwhichissoactivethatitformsnumerousphrases.Nowmakealistofphraseslike“makealist,makemistakes”.Collocationsofmake…makeaguess,makeahaircut,makehaste,makeholiday,makeinquires,makeajoke,makeajourney,makealanding,makealeap,makealiving,makeamistake,makeamotion,makeanoise,makeanote,makeanobjection,makeanoffer,makepeace,makepreparation,makeprogress,makeaprogress,makeapromise,makeaproposal,makearecovery,makearemark,makeareply,makeareport,makearequest,makearesolution,makeaspeech,maketrouble,makeaturn,makewarII.ReadingandfindingReadagainthetextJOHNSNOWDEFEATS“KINGCHOLERA”andfindoutalltheexampleswherethepastparticipleisused.Somanythousandsofterrifiedpeopledied.(usedasattribute)Buthebecameinspiredwhenhethoughtabouthelpingordinarypeople.(usedaspredicative)IIIDoingexercisesTurntopage4andcompleteinpairsExercises1,2and3.Thencheckyouranswersagainstyourpartners’.IV.LearningaboutthemakingandusesofpastparticipleToformthepastparticipleofaverb,addtheending-edtothebaseform.(Butnotethatmanycommonverbshaveirregularpastparticipleforms.)Thepastparticipleisusedinthefollowingcircumstances◇AftertheauxiliaryhaveintheperfecttenseHastheradiobeenfixedyet?◇AfteraformoftheauxiliarybeinthepassivevoiceTheradiowasfixedonMonday.◇Aftertheverbshaveandgetwithacausativemeaning1Wehadtheradiofixedlastweek.◇AsapassiveparticipialadjectiveTherecentlyfixedradioisbrokenagain.过去分词作定语1单个的过去分词作定语一般放在所修饰的名词之前；过去分词短语作定语一般要后置。twomarriedwomenafoundumbrellaausedstampfallenleavesanovelwrittenbyJimthelettersenttoourboss2过去分词具有被动或完成的含义。What’sthelanguagespokeninGermany?Theydecidedtorebuildthedamagedbridge.3过去分词作定语常可扩展为一个定语从句。Heisfondofthefoodcooked(=whichhadbeencooked)byyourmother.Thereportisthebestofitskindeverwritten(=thathaseverbeenwritten).4有时通过一个形容词或数词加另一名词的ed形式构成复合形容词。athree-leggeddeskaone-eyeddoganhonest-facedmanawarm-heartedladyExplaintheusageofthepastparticiplesaspredicativeandattribute.1.过去分词作表语表示主语所处的状态。用作表语的过去分词大多来自及物动词；不及物动词的过去分词能作表语的只限于少数表示位置转移的动词，如go,come,assemble等，它们用在连系动词之后，表示完成意义，无被动意义。例如：Themanlookedquitedisappointed.Heisgreatlydiscouragedbyherrefusal.Hishairisnearlyallgone.已经形容词化了的过去分词大多可作表语，常见的有accomplished,amazed,amused,astonished,broken,closed,completed,complicated,confused,crowded,devoted,disappointed,discouraged,drunk,excited,frightened,hurt,interested,lost,satisfied,surprised,worried等。2.过去分词作定语a）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?=Howmanyproductsthathavebeenfinishedhaveyougotuptonow?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2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=leavesthathavefallentherisen...
