八年级英语新目标下unit3过去进行时专题复习课件文库

Unit3PastContinuousTenseSpecialReviewCoursewareLibraryundertheNewEnglishGoalsforEighthGradecontents目录ThedefinitionandusageofthepastcontinuoustenseThebasicsensepatternsofthepastcontinuoustenseCommoncombinationsofthepastcontinuoustensecontents目录PracticequestionsandansweranalysisforthepastcontinuoustenseAnalysisofErrorpronePointsinthePastContinuousTense01ThedefinitionandusageofthepastcontinuoustenseThepastcontinuoustenseisagraphicalformthatexpressesanactionthatwasonginginthepastataspecifictimeItisformedbycombiningtheauxiliaryverb"was"or"were"withthe-ingformofthemainverbItisusedtoshowthatanactionwashappeningatthesametimeasanotherpastactionorwhenaspecifictimeinthepastwasbeingfocusedonDefinitionUsethepastcontinuoustensetoshowthatoneactionwashappeningwhileanotheractionwasalsotakingplaceForexample,"IwaswatchingTVwhenmyfriendcalled."UsethepastcontinuoustensewhenreferringtoanactionthatwasalreadyinthepastandcontinuedupuntilanotherpastactionoraspecifictimeinthepastForexample,"Shewasstudyingfortheexamupuntilmiddle."UsageVSAvoidusingthepastcontinuoustensewithsimplepastactionsthatdon'tinvolveadurationorongingactioninthepastForexample,"Isawthemovie"shouldnotbechangedto"Iwasseeingthemovie."Becarefulwhenusingthepastcontinuoustensewithverbsthatdon'tusuallyformthe-ingform.Someverbscanbeusedintheirbaseforminthepastcontinuoustense,soas"tobe"and"tohave."Mattersneedingattention02ThebasicsensepatternsofthepastcontinuoustenseThispatternisusedtoshowanactionthatwashappeninginthepastataspecifictimeItisformedbycombiningthesubjectwiththeauxiliaryverb"was"or"were"andthe-ingformofthemainverbExample:"ShewassingingasongwhenIarrived."Subject+was/were+verbingApositivepresenceinthepastcontinuoustensestartswiththesubject,followedbytheauxiliaryverb"was"or"were",andthenthe-ingformofthemainverbExample:"Theywereplayingintheparkat3O'clock."ConfirmativepresenceAnegativepresenceinthepastcontinuoustenseisformedbyusingtheauxiliaryverb"wasnot"or"werenot"andaddingthe-ingformofthemainverbExample:"Hewasnotstudyingwhenhismothercamerahome."NegativesensesAgeneralaggressivepresenceinthepastcontinuoustensestartswiththesubject,followedbytheauxiliaryverb"was"or"were",andthenthe-ingformofthemainverbExample:"Whatwereyoudoingat6O'clockyesterday?"Generalaggressiveintentions03CommoncombinationsofthepastcontinuoustenseWhen+pastcontinuoustenseusedtoexpressanactionthatwasongoiataspecifictimeinthepastExampleWhenIwaswalkinghome,IsawacatcrossingthestreetMatchingwithwhenusedtoexpresstwoormoreactionsthatwereongingatthesametimeinthepastWhile+pastcontinuoustenseWhilemyfriendwasstudying,IwaswatchingTVExampleMatchingwithwhileusedtoexpressanactionthatwasongingbeforeanotheractioninthepastBefore+pastcontinuoustenseusedtoexpressanactionthatfollowedanotheractionthatwasonginginthepastAfter+pastcontinuoustenseusedtoexpressanactionthatwasongoiforaspecificperiodoftimeinthepastDuring+pastcontinuoustenseDuringtheholiday,wewereconsistentlyonthemovefromoneplacetoanotherExampleThecombinationwithothertimeadvertisements04PracticequestionsandansweranalysisforthepastcontinuoustenseAnalysis:ThismultiplechoicequestiontestsunderstandingofthepastcontinuoustensebyaskingaboutanactionthatwasongingbeforeanotheractioninthepastThecorrectanswerusesthepastcontinuoustensetoshowanactionhappeningatthesametimeasanotheractioninthepastQuestion:Whatwashappeningbeforetherainstarted?Answer:ThechildrenwereplayingoutsideMultiplechoicequestionsQuestion:Whilethemoviewasplaying,whatwerethepatronsdoing?MultiplechoicequestionsAnswerThepatentswereeatingpopcorn要点一要点二AnalysisThismultiplechoicequestiontestsunderstandingofthepastcontinuoustenseinacontextwheretwoactionsarehappeningatthesametimeThecorrectanswerusesthepastcontinuoustensetoshowthatthepatentswereengagedinanongoingactivityduringthemovieMultiplechoicequestionsWhile___________TV,IheardthephoneringThepresenceshouldbecompletedwith"watching"ThiscompletionexercisetestsunderstandingofthepastcontinuoustensebyaskingforaverbthatcompletesthepresencecoherentlyThecorrectanswerusesthepastcontinuoustensetoshowanactionhappeningatthesametimeasanotheractioninthepastSentenceAnswerAnalysisCompletionReadingcomprehensionquestionsWhywastheteacherdisappointed?(Answer:Thestudentswerenotpayingattentioninclass.)QuestionThisreadingcomprehensionquestiontestsunderstandingofthepastcontinuoustensebyaskingaboutanongingactioninanegativeThecorrectanswerusesthepastcontinuoustensetoshowanactionthatwasongoiataspecificpointinthepast,providingcontextforanothereventinthestoryAnalysis05AnalysisofErrorpronePointsinthePastContinuousTenseThepastcontinuoustenseemphasizesthedurationoftheaction,whilethesimplepasttensedoesnotThepastcontinuoustenseisusedtoexpressanactionthatwasonginginthepastandwasinterruptedbyanotheractionoreventThesimplepasttenseisusedtoexpressacompletedactioninthepast,withoutindicatinganyongingnatureThedifferencebetweenthepastcontinuoustenseandthesimplepasttenseThepresentperfecttenseisusedtoexpressanactionthathasbeencompletedinthepastanditsresultisrelevanttothepresentThepastcontinuoustenseisusedtoexpressanactionthatwasonginginthepastandwasinterruptedbyanotheractionoreventThepresentperfecttensefocusesontheresultoftheaction,whilethep