七年級英語課件：初一英語《現(xiàn)在進(jìn)行時》課件

7thgradeEnglishcoursewareFirstgradeEnglishThedefinitionandstructureofthepresentcontinuoustenseThebasicusageofthepresentcontinuoustenseThenegativeandinterrogativeformsofthepresentcontinuoustenseComparisonbetweenpresentcontinuoustenseandpresentsimpletensecontents目錄PracticeandconsolidationofthepresentcontinuoustenseThepracticalapplicationofthepresentcontinuoustenseSummaryandReviewcontents目錄01Thedefinitionandstructureofthepresentcontinuoustense表示正在進(jìn)行的動作或存在的狀態(tài)。總結(jié)詞Thepresentcontinuoustenseisusedtodescribeanactionthatisongoingorastatethatcurrentlyexists.Itisformedbyusingthepresentformoftheverb"tobe"(am,is,are)followedbythe-ingformofthemainverb.詳細(xì)描述Thedefinitionofthepresentcontinuoustense總結(jié)詞：由助動詞be、動詞的ing形式和表語構(gòu)成。詳細(xì)描述：Thestructureofthepresentcontinuoustenseconsistsofthreeparts:theauxiliaryverb"tobe"(am,is,are),the-ingformofthemainverb,andthesubjectorobjectthatisbeingdescribed.Theauxiliaryverbandthe-ingformcombinetocreatethepresentcontinuoustense,whichisusedtoexpressongoingactionsorcurrentstates.Thestructureofthepresentcontinuoustense總結(jié)詞：用于描述正在發(fā)生的動作或存在的狀態(tài)。詳細(xì)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單擊此處添加正文，文字是您思想的提煉，為了最終呈現(xiàn)發(fā)布的良好效果，請盡量言簡意賅的闡述觀點(diǎn)；單擊此處添加正文，文字是您思想的提煉，為了最終呈現(xiàn)發(fā)布的良好效果，請盡量言簡意賅的闡述觀點(diǎn)；單擊此處添加正文，文字是您思想的提煉，為了最終呈現(xiàn)發(fā)布的良好效果，請盡量言簡意賅的闡述觀點(diǎn)；單擊此處添加正文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理解現(xiàn)在進(jìn)行時態(tài)的基本概念和用法?？偨Y(jié)詞現(xiàn)在進(jìn)行時態(tài)表示正在進(jìn)行的動作或存在的狀態(tài)，常與now、atthemoment等時間狀語連用。詳細(xì)描述Practiceandconsolidationofthepresentcontinuoustense總結(jié)詞掌握現(xiàn)在進(jìn)行時態(tài)的構(gòu)成方式。詳細(xì)描述現(xiàn)在進(jìn)行時態(tài)由be動詞（am/is/are）+動詞ing形式構(gòu)成，其中動詞要變?yōu)槠鋓ng形式。Practiceandconsolidationofthepresentcontinuoustense正確運(yùn)用現(xiàn)在進(jìn)行時態(tài)的語境和場合?，F(xiàn)在進(jìn)行時態(tài)常用于描述當(dāng)前正在發(fā)生的動作或存在的狀態(tài)，如描述正在進(jìn)行的運(yùn)動、正在進(jìn)行的對話等。Practiceandconsolidationofthepresentcontinuoustense詳細(xì)描述總結(jié)詞-DifferencebetweenthepresentcontinuoustenseandthesimplepresenttensePracticeandconsolidationofthepresentcontinuoustense總結(jié)詞理解現(xiàn)在進(jìn)行時態(tài)與一般現(xiàn)在時態(tài)的區(qū)別。詳細(xì)描述雖然兩者都表示現(xiàn)在的動作，但一般現(xiàn)在時態(tài)強(qiáng)調(diào)事實(shí)和習(xí)慣，而現(xiàn)在進(jìn)行時態(tài)強(qiáng)調(diào)正在進(jìn)行的動作或存在的狀態(tài)。Practiceandconsolidationofthepresentcontinuoustense06ThepracticalapplicationofthepresentcontinuoustenseExpressingongoingactivitiesThepresentcontinuoustenseisusedtodescribeactivitiesthatareongoingandhappeningatthesametimeasthespeaking.Itprovidesasenseofactioninthepresentmoment.DescribingtemporarysituationsThepresentcontinuoustensecanalsobeusedtodescribetemporarysituations,suchasavisittoaplaceoratemporarystay.Itemphasizesthetemporarynatureofthesituation.ThepresentcontinuoustenseindailyconversationThepresentcontinuoustenseinwritingWhenwriting,thepresentcontinuoustensecanbeusedtodescribeactionsthatarehappeningatthesametimeasthewriting,providingasenseofimmediacyandvividness.DescribingactionshappeningatthetimeofwritingThepresentcontinuoustensecanbeusedinwritingstoriesandnarrativestocreateasenseofactionanddrama,makingthestorymoreexcitingandengaging.WritingstoriesandnarrativesInnewsreporting,thepresentcontinuoustenseisoftenusedtodescribeongoingevents,providingasenseofimmediacyandexcitement.Inscientificwriting,thepresentcontinuoustensecanbeusedtodescribeongoingexperimentsorobservations,emphasizingtheongoingnatureoftheresearch.NewsreportingScientificwritingThepresentcontinuoustenseindifferentcontexts07SummaryandReviewThepresentcontinuoustenseisagrammaticalstructurethatexpres