1现在进行时过去进行时2教学重、难点:1.现在进行时的巩固及运用。2.现在分词的构成。3.过去进行进的巩固及运用。3Shereadisingnow.4Heeatisingnow.5Listen!Thebirdissinging.6Look!Theboyisplaysoccer.ing7TheywatchTVareingnow.8Themanrunisningnow.9Theboyswimismingnow.10Theydancearenow.ing11知识要点:一.现在进行时的定义:现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.Eg:JennyiswatchingTVnow.Iamwriting.12二.现在进行时的谓语结构:1.现在进行时的谓语结构为:am/is/are+现在分词.be动词的选择运用由句子的主语人称或数决定,它在现在进行时句子谓语结构中作助动词用,无词义。A:IamwatchingTVathome.B:Daveiscleaningthefloor.C:Thestudentsareseeingamovie.132.变否定句时,be后not加上去.Eg:Steveistalkingtohisteacher-------Steveisn’ttalkingtohisteacher.Thechildrenareeatingsomeapplesatmyhome.---------Thechildrenaren’teatinganyapplesatmyhome.3.变疑问,将be移至主语前。Eg:Steveistalkingtohisteacher.----------IsStevetalkingtohisteacher?Iamsinging.---------Areyousinging?144.特殊疑问句:疑问词+are/is+主语+ving.+其他?e.g.Whatareyoudoing?Whatisshedoing?WhereareyoucleaningthehouseWhereishecleaningthehouse?15三.现在分词的构成:(1)一般动词在后面直接加—ing,如:read-------reading;play-------playing;(2)以不发音字母“e”结尾的单词,去掉“e”后加-ing,如:write-----writing;have-----having;(3)以“ie”为重读音节结尾的单词,一般变“ie”为y后再加-ing,如:tie------tying;lie-------lying;16(4)“辅音字母+元音字母+辅音字母”结构结尾的重读闭音节单词加写后面的辅音字母后加-ing;如:run----running;swim-----swimming;注:开始坐放置获得跑忘记让游泳beginningsittingputtinggettingrunninglettingswimmingforgetting注:shopstopbabysitcuthiccupkidhugplantrekprefer17写出下列词的现在分词:1.make——2.open——3.clean——4.carry——5.lie——6.begin——7.see——8.get———9.stop——10.play——Exercises:makingopeningcleaningcarryinglyingbeginningseeinggettingstoppingplaying18四.现在进行时的标志:(1)一般句中用到表示“在现在”的时间状语,如:now,rightnow,atthemoment或It’s+几点钟”句型,常用现在进行时。Eg:Let’sgofast.Mr.Wuiswaitingforusnow.It’ssixo’clock.Thechildrenareplayingbasketball.(2)句中用到“Listen!”“Look!”“Keepquiet”“Don’tmakenoise!”等提示语时,表明说话间另一个动作正在进行,这时,句子也要用现在进行时。Eg:Keepquiet!Theteachersaretalkingintheoffice.19(3)现在进行时常用来表示在当前一直做着的动词,这时句中常用thesedays,allthetime等时间状语。Eg:Thesedays,uncleWangisbuildingasmallroomforhisdog.(4)通过上下文句义,表明某一动作是现在或说话瞬间发生的动作,这个句子也要用现在进行时态。Eg:—Isyourmotherathome?—Yes,sheis.sheiswatchingTV.—WhereisTom?—Heisrunningontheplayground.20注意事项:1.现在进行时表将来,主要表示按计划或安排要发生的动作:I’mleavingtomorrow.我明天走。I’mnotgoingoutthisevening.今晚我不准备出去。表示位置移动的动词,如leave,move,go,come,start,begin,arrive等常用进行时表将来。212.有些动词没有进行时。1)表示状态,情感的某些词没有现在进行时,这些动词有:like,have(有),love,know,understand,remember,forget,see,hear,smell,taste,feel,wish,hope…Ifeelthathewillfail.Iseeaplaneflyinginthesky.NowmanystudentslikereadingHarryPotter.Doyouknowtheanswertothisquestionnow?但是:Feel+adj.表主语情感,感觉,心理状态时,用进行时Howareyoufeelingnow?I’mfeelingbetter.222)事实状态的动词have,belong,cost,include,weigh,continueIhavetwobrothers.3)瞬间动词accept,receive,complete,finish,give,allow,decide,refuse.Iacceptyouradvice.E.表示渐变的动词有:get,grow,become,turn,run,go,begin等Theleavesareturningred.It'sgettingwarmerandwarmer.23Exercises:根据句意,用所给动词的适当形式填空:(1)Listen,Mr.Wu____________onthephone(talk).(2)I_______________soccernow.I’mwalking(notplay)(3)—Isyourfatherathome?—Yes,heis.He_______________aTVshow(watch)(4)They________togototheshopnow.(want)(5)Don’tspeak!Myfather______________(sleep).(6)It’stwelveo’clock.Thestudents_____________(have)lunch.(7)Don’tgoout!It_____________outside.(rain)(8)——Whyareyoustandinghere,Dave?——I______________forScott.(wait)(9)Comeandhelpme,Tom!OK,Mum,I___________(come).istalkingamnotplayingiswatchingwantissleepingarehavingisrainingamwaitingamcoming24句型转换:1.Theyarecleaningthehouse.(一般疑问句)2.Samisatwork.(改为同义句)3.Tomissinging.(改为否定句)4.Kateisputtingonhernewskirt.划线提问)5.Sheissittingnearthewindow(划线提问)Aretheycleaningthehouse?Samisworking.Tomisnotsinging.WhatisKatedoing?Whereisshesitting?25过去进行时含义:表示过去某个时刻正在进行的动作。结构:was/were+doing例句:IwashavinganEnglishclassatthistimeyesterday.现在进行时含义:表示现在正在进行的动作。结构:is/am/are+doing宾语从句例句:IamhavinganEnglishclass.26过去进行时:表示在过去某一时间内正在进行的动作。过去某一点时间正在进行的动作或某段时间内一直进行的动作。构成:基本结构:was/were+doing否定形式:was/were+not+doing.一般疑问句:把was或were放于句首。过去进行时的标志词:at8o’clocklastnight,thistimeyesterday等。过去进行时27•①过去某一时刻正在进行的动作或某一阶段内发生或频繁发生。(atthistimeyesterday,atthattime)如:Iwasdoingmyhomeworkat9o'clockp.m.lastSunday.•②某一动作发生时另一动作正在发生,其中一个在由when,as或while引导的时间状语从句中。如:Iwasreadingbookswhilehewascleaningthefloor.•③表示一个动作正在进行时,另一个动作发生了如:HeplayedwhenIwasstudying.•④表示过去将要发生的动作ShetoldusMr.Liwasarrivinghere.•⑤用于宾语从句中Couldyoutellmewhatthechildrenweredoingatseventhirtylastnight?用法:28过去进行时与一般过去时的区别(1)过去进行时强调动作在过去某时刻正在进行或持续,而一般过去时表示动作的完成。如:Hewaswritinghiscompositionlastnight.他昨晚在写作文。(不一定写完)Hewrotehiscompositionlastnight.他昨晚写了一篇作文。(已经写完)(2)表示过去的状态、感觉及心理活动的静态动词(如be,like,love,hate,fear,own,hear,see,know,want,notice)可用于一般过去时,但通常不用于进行时。如:Ihateditwhenamanspokewithhismouthfulloffood.我讨厌人们说话时口里含着食物。29过去进行时与一般过去时的区别(3)一般过去时与always,forever,等连用,表示“过去经常性、习惯性的动作”;而过去进行时与always,forever等连用,表示动作的重复,常带有感情色彩。如:Healwaysgotupatsix.他过去总是六点起床。Hewasalwaysthinkingofhiswork.他总是一心想到工作。(4)有时过去进行时可以用来替换一般过去时,但一般过去时表示主语的行为是经过认真考虑的;而过去进行时表示一种较随便或没有进行仔细考虑的行为。如:Ithoughtthathewouldagreewithus.我原以为它会同意我们的。Iwasthinkingofpersuadinghimtofollowmyadvice.我想到了要说服他接受我们的建议。30一用所给动词的适当形式填空1)What______you________(do)atnoonyesterday?2)I______________(watch)TVwhenmymother_____(come)in.3)He____