七年级英语课件：初一英语《现在进行时》课件

7thgradeEnglishcoursewareFirstgradeEnglishThedefinitionandstructureofthepresentcontinuoustenseThebasicusageofthepresentcontinuoustenseThenegativeandinterrogativeformsofthepresentcontinuoustenseComparisonbetweenpresentcontinuoustenseandpresentsimpletensecontents目录PracticeandconsolidationofthepresentcontinuoustenseThepracticalapplicationofthepresentcontinuoustenseSummaryandReviewcontents目录01Thedefinitionandstructureofthepresentcontinuoustense表示正在进行的动作或存在的状态。总结词Thepresentcontinuoustenseisusedtodescribeanactionthatisongoingorastatethatcurrentlyexists.Itisformedbyusingthepresentformoftheverb"tobe"(am,is,are)followedbythe-ingformofthemainverb.详细描述Thedefinitionofthepresentcontinuoustense总结词：由助动词be、动词的ing形式和表语构成。详细描述：Thestructureofthepresentcontinuoustenseconsistsofthreeparts:theauxiliaryverb"tobe"(am,is,are),the-ingformofthemainverb,andthesubjectorobjectthatisbeingdescribed.Theauxiliaryverbandthe-ingformcombinetocreatethepresentcontinuoustense,whichisusedtoexpressongoingactionsorcurrentstates.Thestructureofthepresentcontinuoustense总结词：用于描述正在发生的动作或存在的状态。详细描述：Thepresentcontinuoustenseiscommonlyusedtodescribeactionsthatarehappeningatthemomentorstatesthatcurrentlyexist.Itcanalsobeusedtoexpressfutureplansorarrangements,especiallywhencombinedwiththeword"will"orotherfuture-relatedwords.However,itshouldnotbeconfusedwiththesimplepresenttense,whichisusedtoexpressgeneraltruthsorhabitualactions.Theuseofthepresentcontinuoustense02ThebasicusageofthepresentcontinuoustenseDescribingtemporarysituations:"Wearelivinginasmallapartmentwhilewelookforahouse."Expressingfutureplansorarrangements:"TheyareflyingtoEuropenextweek."Expressinganactionthatisongoingatthemoment:"IamstudyingEnglisheveryday."ThepresentcontinuoustenseincontextThepresentcontinuoustenseisformedbycombiningthepresenttenseoftheverb"tobe"(am,is,are)withthe-ingformoftheverb:"Iamplayingtennis."Thenegativeformisformedbyadding"not"or"n't"beforethe-ingformoftheverb:"Sheisnotsinginginthechoir."FormsofthepresentcontinuoustenseVSThepresentcontinuoustenseisdistinguishedfromthesimplepresenttensebyitsemphasisonongoingaction:"IplaytenniseverySunday"vs."Iamplayingtennisnow."Thepresentcontinuoustenseisoftenusedinsteadofthepresentsimpletensewhentheactionistemporaryornothabitual:"Iamstayingatmyfriend'shousethisweek"vs."Istayatmyfriend'shousesometimes."Differencesfromothertenses03Thenegativeandinterrogativeformsofthepresentcontinuoustense单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文10*16Formation:Thenegativeformisformedbyplacing"not"beforethehelpingverb"be"(or"am,""is,""are,""was,"or"were"dependingonthesubject)andthepresentparticipleoftheverb.Forinstance,"Theyarenotplaying"isthenegativeformof"Theyareplaying."Usage:Thenegativeformofthepresentcontinuoustenseisusedtoexpressanactionthatisnothappeningatthemomentorthatisnotoccurringinthepresenttimeframe.Itemphasizestheabsenceofanactionoranegativesituation.ThenegativeformofthepresentcontinuoustenseTheinterrogativeformofthepresentcontinuoustenseInterrogativeform:Theinterrogativeformofthepresentcontinuoustenseiscreatedbyinvertingthesubjectandtheauxiliaryverbinadeclarativesentence.Forexample,"Areyoustudying?"istheinterrogativeformof"Youarestudying."Formation:Toformtheinterrogativeform,thesubjectandtheauxiliaryverbareswappedinadeclarativesentence.Thesubjectgoesfirst,followedbytheauxiliaryverbandthenthepresentparticipleoftheverb.Forinstance,"Isshewriting?"istheinterrogativeformof"Sheiswriting."Usage:Theinterrogativeformofthepresentcontinuoustenseisusedtoaskaboutanactionthatishappeningatthemomentorthatisoccurringinthepresenttimeframe.Itexpressescuriosityoruncertaintyaboutanongoingaction.04ComparisonbetweenpresentcontinuoustenseandpresentsimpletenseThepresentcontinuoustenseisusedtoshowanactionhappeningnow,whilethepresentsimpletenseisusedtoshowanactionthatisgeneralorhabitual.Thepresentcontinuoustensefocusesonthemoment,indicatinganactionthatisongoingatthecurrenttime,whilethepresentsimpletenseisnotlimitedtothepresentmomentandcandescribeactionsthataregeneralorhabitual.Thepresentcontinuoustenseplacesmoreemphasisontheactionitselfanditsconnectiontothepresentmoment,whilethepresentsimpletenseemphasizesthecompletionoftheactionoritsstatus.AspectsTimeframeEmphasisComparisonofusageVerbendingsThepresentcontinuoustenseusesthe-ingformoftheverb,suchas"running"or"listening",whilethepresentsimpletenseusesthebasicformoftheverb,suchas"run"or"listen".TensemarkersThepresentcontinuoustenseisusuallyaccompaniedbytheauxiliaryverb"be"(e.g.,"Iamrunning")andusesthepresentparticiple"-ing"formoftheverb.Thepresentsimpletense,ontheotherhand,doesnotrequire"be"andusesthebasicformoftheverb.DifferencesinformThepresentcontinuoustenseandthepresentsimpletensearebothcommonlyusedinEnglishgrammar.Theformeremphasizesactioninprogressandisassociatedwiththepresentmoment,whilethelatterisusedtoshowgeneraltruthsorhabitsandisnotlimitedtothepresenttimeframe.Thedifferencesinusageandformbetweenthetwotensesareimportantforeffectivecommunicationandaccuratelanguagecomprehension.Summary05Practiceandconsolidationofthepresentcontinuoustense理解现在进行时态的基本概念和用法。总结词现在进行时态表示正在进行的动作或存在的状态，常与now、atthemoment等时间状语连用。详细描述Practiceandconsolidationofthepresentcontinuoustense总结词掌握现在进行时态的构成方式。详细描述现在进行时态由be动词（am/is/are）+动词ing形式构成，其中动词要变为其ing形式。Practiceandconsolidationofthepresentcontinuoustense正确运用现在进行时态的语境和场合。现在进行时态常用于描述当前正在发生的动作或存在的状态，如描述正在进行的运动、正在进行的对话等。Practiceandconsolidationofthepresentcontinuoustense详细描述总结词-DifferencebetweenthepresentcontinuoustenseandthesimplepresenttensePracticeandconsolidationofthepresentcontinuoustense总结词理解现在进行时态与一般现在时态的区别。详细描述虽然两者都表示现在的动作，但一般现在时态强调事实和习惯，而现在进行时态强调正在进行的动作或存在的状态。Practiceandconsolidationofthepresentcontinuoustense06ThepracticalapplicationofthepresentcontinuoustenseExpressingongoingactivitiesThepresentcontinuoustenseisusedtodescribeactivitiesthatareongoingandhappeningatthesametimeasthespeaking.Itprovidesasenseofactioninthepresentmoment.DescribingtemporarysituationsThepresentcontinuoustensecanalsobeusedtodescribetemporarysituations,suchasavisittoaplaceoratemporarystay.Itemphasizesthetemporarynatureofthesituation.ThepresentcontinuoustenseindailyconversationThepresentcontinuoustenseinwritingWhenwriting,thepresentcontinuoustensecanbeusedtodescribeactionsthatarehappeningatthesametimeasthewriting,providingasenseofimmediacyandvividness.DescribingactionshappeningatthetimeofwritingThepresentcontinuoustensecanbeusedinwritingstoriesandnarrativestocreateasenseofactionanddrama,makingthestorymoreexcitingandengaging.WritingstoriesandnarrativesInnewsreporting,thepresentcontinuoustenseisoftenusedtodescribeongoingevents,providingasenseofimmediacyandexcitement.Inscientificwriting,thepresentcontinuoustensecanbeusedtodescribeongoingexperimentsorobservations,emphasizingtheongoingnatureoftheresearch.NewsreportingScientificwritingThepresentcontinuoustenseindifferentcontexts07SummaryandReviewThepresentcontinuoustenseisagrammaticalstructurethatexpres