现在进行时和过去进行时课件

现在进行时和过去进行时ThePresentContinuousTense马海霞andthepastContinuousTenseShereadisingnow.Heeatisingnow.Listen!Thebirdissinging.Look!Theboyisplayfootball.ingTheydancearenow.ing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.二.现在进行时的谓语结构:现在进行时的谓语结构为:am/is/are+动词的现在分词am/is/are在现在进行时句子谓语结构中作助动词用，无词义。am/is/are的选择运用由句子的主语人称或数决定。A:IamwatchingTVathome.B:Daveiscleaningthefloor.C:Thestudentsareseeingamovie.四.现在进行时的形式转换：1.将一个现在进行时的肯定句变为一般疑问句时，将句中的be动词提到句首。Eg:Heistalkingtohisteacher.Ishetalkingtohisteacher?Iamsinging.---------Areyousinging?2.将现在进行时的肯定句变为否定句时，在be动词后面加上not.Eg:HeistalkingtohisteacherHeisn’ttalkingtohisteacher.Thechildrenareeatingsomeapplesatmyhome.Thechildrenaren’teatinganyapplesatmyhome.Exercises:根据句意，用所给动词的适当形式填空：（1）Listen!MrWuonthephone.(talk).(2)Ifootballnow.I’mwalking.(notplay)(3)——Isyourfatherathome?——Yes,heis.HeaTVshow.(watch)(4)Theytogototheshopnow.(want)(5)—youforyourfriends?(wait)—No,I’mnot.istalkingamnotplayingiswatchingwantArewaitingExercises:(6)Heisverybusy.Healetter.(write)（7）Don’tspeak!Myfather.(sleep)(8)It’stwelveo’clock.Thestudents(have)lunch.(9)Don’tgoout!Itoutside.(rain)(10)——Whyareyoustandinghere,Dave？——IforLilei.(wait)issleepingarehavingisrainingamwaitingiswriting1.Hewascookingatthistimeyesterday.2.HewasridingahorseatninelastSunday.3.Hewasplayingfootballatfouro’clocklastFriday.4.Shewascleaningtheclassroomthistimeyesterday.5.Theywerehavingaclassyesterdayafternoon.1.意义：2.构成：3.标志词：表示在过去某一时刻或一段时间正在进行的动作。was/were+doing否定式：was/werenot+doing疑问式：Was/Were……doing?atthistimeyesterdayat9:00lastnight……was/weredoingwhen….did…..一用所给动词的适当形式填空1What____you____(do)atnoonyesterday?2)I____________(watch)TVwhenmymother_____(come)in.3)He________(do)hislessonsattenyesterdaymorning.weredoingwaswatchingcamewasdoing4)Thechildren__________(play)footballatfouryesterdayafternoon.5)Thebaby__________(sleep)whenthemothercameback.wassleepingwereplaying二.完成下列句子1）LiLei________(在读英语）atthistimeyesterday.wasreading2)They_____________________(在扫地）afterschoolyesterday.3）Theboysandgirls_____________(在唱歌）lastnight.4)You__________________（在打篮球）yesterdayafternoon,weren’tyou?5)What_______Toｍ_____(在做什么）atnoonyesterday?weresweepingthefloorweresingingwereplayingbasketballwasdoing