《高二英语过去分词》课件

Past participlesin highschoolEnglish•The definitionand usage of pastparticles•Changes in the rulesof pastCATALOGUEparticles目录•Special changes in past particles•Practice onthe useof past particles01The definitionandusage ofpastparticlesDefinitionDefinitionThe pastparticiple isa specialverb formin Englishthat representsthecompletion orpassive state of anaction.It usuallyends with-ed or-d,such aswritten andspoon.FeaturesPast participleshave thecharacteristics ofadjectives andadverbs,andcan beused asadjectives,predicate,complement,or adverbialtomodify nouns,verbs,or theentire sentence.UsageAs anattributive,it Asa predicate:placed Asa complement:to Asan adverbial,itmodifies anoun toafter alinking verbto supplementthe meaningmodifies averb ortheindicate thecompletion indicatethe passivestateof the verb,such asI sawentire sentence,or statusof anaction,of thesubject,such asthe thiefstealing the indicating theway,time,such asa writtenreport.The bookis written in money.or conditionoftheaction,English.such asHe came in,followed byhis assistant.02Changes in the rulesofpast particlesOverviewof RuleChangesThe rulesfor formingthe pastparticles havechanged overtime,leading tofusionamong studentsThechanges arenot alwaysinvasive,making itdifficult forstudents torememberthe correctformThe inconsistentapplication ofthe rulesacross differentverbs canlead tofurtherfusionTypes ofRule ChangesInflectionalChangesVerbs mayunderperform minorchangesin their endingto indicatethe pastparticle form.For example,the verbwrite benefitswritteninthe pastparticleAnalog ChangesVerbsthat donot followthe regularpattern areregulated tofit intotheestablished patternFor instance,the verbgo hasits pastparticle formregulatedto goneinstead ofgone.Semantic ChangesSome verbs undera changein meaningwhen usedinthe pastparticle form.Anexample isthe verbhang,which inthepastparticle formhung notesadifferent meaningfrom itspresent particle form hanging.03Special changesinpast particlesOverviewof SpecialChangesPast particlesare formedby addingSome verbsunder special changes Thesespecialchangesare-ed or-d tothe basicform oftheintheir pastparticle form,such asnecessary tomaintain thegraphicalverb writebecoming written or digstructure andmeaning ofthebecoming dugpresenceTypes ofspecial changesAdding-nor-m tothe basicform:Some Doubleconsistent:Some verbs,such asverbs,such assweep and give,adding-n stopand plan,have adouble consistentor-m totheir pastparticleform,resulting insound intheir pastparticleform,resulting insweepandgivestopped andplannedIrregular verbs:Some verbs,such asgo andVerbs withsilent-e:Someverbs,such asbe,have irregularpastparticleforms,hope anddived,have asilent-eintheirresulting ingone andbe pastparticleform,resulting inhopped anddived04Practice onthe useofpast particlesFillinthe blank practiceSummaryDetailed descriptionThroughfill inthe blankexercises,students canTeachers candesign aseries offill inthe blankbecomefamiliar withthe correctusage ofpast exercises,requiring students to fillinthe correctparticiples andimprove theirsensitivity topast pastparticiple formsbased onthe sentenceparticiples.context.For example,theblankspace inI sawhim____stand bythe rivershould befilled withstanding,indicating Isaw himstanding bytheriver.Choose exercisesSummaryDetailed descriptionMultiplechoice exerciseshelp studentsTeachers canprepare aseries ofmultiple-choiceunderstand themeaning andusageofpast questionscontaining past participles,allowingparticiples indifferent contexts.students tochoose thecorrect answerbased onthemeaning ofthe sentence.For example,thecorrect answerin Themovie was so____borethat Ifell asleephalfway throughshould beboring,which meansthe moviewassoboringthat Ifell asleephalfway through.Translation exercisesSummaryTranslationexercises canhelp studentsbetter understandand applypast participles,and improvetheirlanguage expressionabilities.Detailed descriptionTeacherscan providesome Englishsentences containingpastparticiplesand askstudentstotranslatethem intoChinese.For example,thecorrecttranslation ofThe bookwas highlyrecommended bya____trust friendshould beThis bookwas highlyrecommended bya trustedfriend..THANK YOU。