英语一般过去时(课件)ppt.pptx

GeneralPastTenseinEnglish(PPT),ACLICKTOUNLIMITEDPOSSIBILITIESReporter:

CataloguntroductiontoGeneralPastTensePracticalApplicationsNegativeandQuestionFormsBasicRulesandExamples

IntroductiontoGeneralPastTensePART01

DefinitionandUsageThegeneralpasttenseisusedtodescribeactionsorstatesthatwerecompletedinthepast,withoutanyconnectiontothepresent.UnderstandingtheGeneralPastTenseRegularverbsformthepasttensebyadding-edtothebaseform,whileirregularverbshaveuniquepastformsthatmustbememorized.FormingtheGeneralPastTense

DefinitionandUsageCommonUsesinSentencesThegeneralpasttenseisusedtonarratepastevents,recounthistoricalfacts,ordescribepersonalexperiencesinthepast.

FormationofVerbsRegularVerbsIrregularVerbs01Regularverbsinthepasttenseareformedbyadding-edtothebaseformoftheverb,suchaswalkbecomingwalked.02Irregularverbsdonotfollowasetpatternandmustbememorized,examplesincludegobecomingwentandseebecomingsaw.

BasicRulesandExamplesPART02

RegularVerbsinthePastTenseFormostverbs,formthepasttensebyadding-edtothebaseform,suchaswalkbecomingwalked.Rule1:Adding-edtotheBaseFormWhentheverbendswithasinglevowelfollowedbyasingleconsonant,doubletheconsonantbeforeadding-ed,likestopbecomingstopped.Rule2:DoublingtheFinalConsonant

RegularVerbsinthePastTenseSomeverbsdonotfollowtheregularrulesandhaveuniquepasttenseforms,suchasgobecomingwent.Rule3:IrregularVerbsExceptions

IrregularVerbsinthePastTenseIrregularverbsdonotfollowthestandard-edendingruleforpasttense;theychangetheirformentirely,likegobecomingwent.01UnderstandingIrregularityExplorecommonirregularverbssuchassingtosang,eattoate,andwritetowrotetograsptheirusageinsentences.02CommonIrregularVerbExamples

IrregularVerbsinthePastTenseCreatesentencesusingir