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1、PPTcoursewareforEnglishsimplepasttenseThedefinitionofthesimplepasttenseTheverbchangesinthesimplepasttenseThesensitivitystructureofthesimplepasttenseThetensemeaningofthesimplepasttensePracticeandconsolidationofthesimplepasttensecontents目录01ThedefinitionofthesimplepasttenseThesimplepasttenseisagraphic
2、altensethatisusedtoexpressactionsoreventsthatoccurredinthepastandcompletedataspecifictimeItisalsoknownasthesimplepastorpastsimpleandisusedtoshowactionsinthepastinanarrativeordescriptivecontextWhatisthesimplepasttense0102ThebasicformofthesimplepasttenseFor example,run benefitsran,write benefits write
3、,andeatbenefitsate.The basic form of the simplepasttenseiscreatedbyadding the-ed suffix to theendoftheverbThesimplepasttenseisusedtoexpressactionsoreventsthathavealreadyoccurredinthepastandarecompleteItisusedtoshowactionsthathappenedataspecifictimeinthepast,soaslastyear,yesterday,orinthemorningThesi
4、mplepasttenseisalsousedinconditionalsensestoexpressactionsoreventsthatwouldhaveoccurredinadifferentsituationTheusageofthesimplepasttense02TheverbchangesinthesimplepasttenseEDconnectionRegularverbsformthesimplepasttensebyaddingthesuffix-edtotheinfinitiveform.Forexample,walkbenefitswalked.Dand-edvaria
5、tionSomeregularverbsmayhaveeither-dor-edasthepasttensesuffixForexample,lovedandlivearebothcommonpasttenseformsChangesinregularverbsIrregularformsIrregularverbsdonotfollowtheregular-edconnectionpatternInstad,theyhaveuniquepasttenseformsthatmustbememorizedForexample,writebenefitswrite.Exceptionstother
6、uleSomeirregularverbshavearegularpasttenseformthatisdifferentfromthetypicalirregularform.Forexample,gobenefitswet,whichfollowsthe-edpatternbutisirregularduetoitsuniqueformThevariationofirregularverbsWhentheverbdoisusedasanauxiliaryverb(did)inthesimplepasttense,itcombineswithotherverbstoformcompoundv
7、erbsForexample,didgobenefitsdidgo.Verb+doTheverbbehasspecialformsinthesimplepasttenseForexample,wasandwereareusedforsingularandpluralsubjects,respectivelyVerb+beSpecialsituationsofverbchanges03ThesensitivitystructureofthesimplepasttenseI(subject)write(verb)aletter(object)Subject+Verb:She(subject)smo
8、othed(verb).Verb+Object:He(subject)won(verb)asize(object)Basicpresencestructure03Subject+Verb+InfinitePhraseShe(subject)wanted(Verb)togoshopping(InfinitePhrase).01Subject+Verb+AdvancedThey(subject)walked(verb)quickly(adverb).02Subject+Verb+PreliminaryPhaseWe(subject)camera(Verb)fromtheairport(prelim
9、inaryphase).CommonsensestructuresThere(subject)were(verb)fivepeopleintheroom(object)Subject+Verb+toinfinitive:They(subject)reused(Verb)tohelp(infinitive).It(subject)was(verb)interested(objective)Specialpresencestructure04ThetensemeaningofthesimplepasttenseSimplepasttenseisusedtodescribeactionsorstat
10、esthatoccurredinthepastandarecompleteataspecificpointintimeForexample,ShewrotealetterlastweekmeansthattheactionofwritingtheletteroccurredinthepastandwascompletedbytheendoftheweekItcanalsobeusedtodescriberepeatedorhabitualactionsinthepast,suchasHevisitedhisgrandparentseverySundayExpressingpastactions
11、orstatesSimplepasttenseisoftenusedtoexpresspastexperiencesorfactsthatarenolongerrelevantormeaningfulinthepresentationForexample,IlearnedhowtoswimwhenIwasfiveyearsoldorTheGreatWallwasbuiltinambienttimes.Itcanalsobeusedtoexpresspersonalmemoriesorcollections,suchasIremembermyfirstdayofschoolorWehaveawo
12、nderfultimeatthebeachlastsummerExpressingpastexperiencesorfactsSimplepasttensecanbeusedtoexpressassumptionsorconditionsthatweretrueinthepastbutmaynotbetruenowForexample,Ifhehadknowntheanswer,hewouldhaveraisedhishandorSheassessedthatherpackagehadbeendeliveredontimeItcanalsobeusedtoexpressreturnsorwis
13、hesaboutthepast,suchasIwishIhadgonetotheconcertorIreturnnothavingstudiedhardfortheexamExpressingpastassumptionsorconditions05PracticeandconsolidationofthesimplepasttenseFillingintheblankexerciseisaneffectivewaytoconsolidatesimplepasttenses.Byprovidingsentencesandleavingspacesforstudentstofillintheco
14、rrectverbforms,itcandeepentheirunderstandingandapplicationoftenses.InthePPTcourseware,teacherscandesignaseriesoffillintheblankexercises,whichwillprovidecompletesentencesbutomitthecorrectformofverbs.Studentsneedtocarefullyreadthesentence,understanditscontext,andthenchoosethecorrectverbformtofillinthe
15、blankspace.FillintheblankpracticeCorrectionexercisesareaneffectivewaytohelpstudentsidentifyandcorrectcommonerrorsintheiruseofsimplepasttense.InthePPTcourseware,teacherscanpresentsomesentenceswithgrammarerrorsforstudentstoidentifyandcorrect.Thisexercisecanhelpstudentsbetterunderstandtherulesofsimplep
16、asttenseandimprovetheirgrammarawareness.CorrectionpracticeTranslationpracticeisaneffectivemethodtohelpstudentsapplyknowledgeofthesimplepasttenseinEnglishtopracticalcontexts.InthePPTcourseware,teacherscanprovidesomeChinesesentencesandaskstudentstotranslatethemintoEnglish,whileensuringthecorrectuseofsimplepasttense.Thisexercisecanhelpstudentsbetterunderstandtheapplicationofsimplepasttenseinvariouscontextsandimprovetheirlanguageexpressionability.TranslationexercisesTHANKS感谢观看
