《高二英语过去分词》课件

PastparticiplesinhighschoolEnglishCATALOGUE目录ThedefinitionandusageofpastparticlesChangesintherulesofpastparticlesSpecialchangesinpastparticlesPracticeontheuseofpastparticlesThedefinitionandusageofpastparticles01DefinitionThepastparticipleisaspecialverbforminEnglishthatrepresentsthecompletionorpassivestateofanaction.Itusuallyendswith"-ed"or"-d",suchas"written"and"spoon".FeaturesPastparticipleshavethecharacteristicsofadjectivesandadverbs,andcanbeusedasadjectives,predicate,complement,oradverbialtomodifynouns,verbs,ortheentiresentence.DefinitionAsanattributive,itmodifiesanountoindicatethecompletionorstatusofanaction,suchas"awrittenreport".Asapredicate:placedafteralinkingverbtoindicatethepassivestateofthesubject,suchas"ThebookiswritteninEnglish".Asacomplement:tosupplementthemeaningoftheverb,suchas"Isawthethiefstealingthemoney".Asanadverbial,itmodifiesaverbortheentiresentence,indicatingtheway,time,orconditionoftheaction,suchas"Hecamein,followedbyhisassistant".UsageChangesintherulesofpastparticles02Therulesforformingthepastparticleshavechangedovertime,leadingtofusionamongstudentsThechangesarenotalwaysinvasive,makingitdifficultforstudentstorememberthecorrectformTheinconsistentapplicationoftherulesacrossdifferentverbscanleadtofurtherfusionOverviewofRuleChangesInflectionalChangesVerbsmayunderperformminorchangesintheirendingtoindicatethepastparticleform.Forexample,theverb"write"benefits"written"inthepastparticleAnalogChangesVerbsthatdonotfollowtheregularpatternareregulatedtofitintotheestablishedpatternForinstance,theverb"go"hasitspastparticleformregulatedto"gone"insteadof"gone."SemanticChangesSomeverbsunderachangeinmeaningwhenusedinthepastparticleform.Anexampleistheverb"hang,"whichinthepastparticleform"hung"notesadifferentmeaningfromitspresentparticleform"hanging."TypesofRuleChangesSpecialchangesinpastparticles03ThesespecialchangesarenecessarytomaintainthegraphicalstructureandmeaningofthepresencePastparticlesareformedbyadding-edor-dtothebasicformoftheverbSomeverbsunderspecialchangesintheirpastparticleform,suchas"write"becoming"written"or"dig"becoming"dug"OverviewofSpecialChangesAdding-nor-mtothebasicform:Someverbs,suchas"sweep"and"give",adding-nor-mtotheirpastparticleform,resultingin"sweep"and"give"Irregularverbs:Someverbs,suchas"go"and"be",haveirregularpastparticleforms,resultingin"gone"and"be"Verbswithsilent-e:Someverbs,suchas"hope"and"dived",haveasilent-eintheirpastparticleform,resultingin"hopped"and"dived"Doubleconsistent:Someverbs,suchas"stop"and"plan",haveadoubleconsistentsoundintheirpastparticleform,resultingin"stopped"and"planned"TypesofspecialchangesPracticeontheuseofpastparticles04SummaryThroughfillintheblankexercises,studentscanbecomefamiliarwiththecorrectusageofpastparticiplesandimprovetheirsensitivitytopastparticiples.DetaileddescriptionTeacherscandesignaseriesoffillintheblankexercises,requiringstudentstofillinthecorrectpastparticipleformsbasedonthesentencecontext.Forexample,theblankspacein"Isawhim____(stand)bytheriver"shouldbefilledwith"standing",indicating"Isawhimstandingbytheriver".FillintheblankpracticeSummaryMultiplechoiceexerciseshelpstudentsunderstandthemeaningandusageofpastparticiplesindifferentcontexts.DetaileddescriptionTeacherscanprepareaseriesofmultiple-choicequestionscontainingpastparticiples,allowingstudentstochoosethecorrectanswerbasedonthemeaningofthesentence.Forexample,thecorrectanswerin"Themoviewasso____(bore)thatIfellasleephalfwaythrough"shouldbe"boring",whichmeans"themoviewassoboringthatIfellasleephalfwaythrough".ChooseexercisesTranslationexercisescanhelpstudentsbetterunderstandandapplypastparticiples,andimprovetheirlanguageexpressionabilities.SummaryTeacherscanprovidesomeEnglishsentencescontainingpastparticiplesandaskstudentstotranslatethe