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时间:2020-06-03
《现在进行时和过去进行时课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在PPT专区-天天文库。
1、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
2、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.Ishetalkingt
3、ohisteacher?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!MrWuon
4、thephone.(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.(
5、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.Hewasridinga
6、horseatninelastSunday.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?atthist
7、imeyesterdayat9:00lastnight……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_________
8、_(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)afterschoolyes
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