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,andthepastContinuousTense,She,read,is,ing,now.,He,eat,is,ing,now.,Listen!,Thebird,is,sing,ing.,Look!,Theboy,is,playfootball.,ing,They,dance,are,now.,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:HeistalkingtohisteacherHeisnttalkingtohisteacher.Thechildrenareeatingsomeapplesatmyhome.Thechildrenarenteatinganyapplesatmyhome.,Exercises:根据句意，用所给动词的适当形式填空：,（1）Listen!MrWuonthephone.(talk).(2)Ifootballnow.Imwalking.(notplay)(3)Isyourfatherathome?Yes,heis.HeaTVshow.(watch)(4)Theytogototheshopnow.(want)(5)youforyourfriends?(wait)No,Imnot.,istalking,amnotplaying,iswatching,want,Are,waiting,Exercises:,(6)Heisverybusy.Healetter.(write)（7）Dontspeak!Myfather.(sleep)(8)Itstwelveoclock.Thestudents(have)lunch.(9)Dontgoout!Itoutside.(rain)(10)Whyareyoustandinghere,Dave？IforLilei.(wait),issleeping,arehaving,israining,amwaiting,iswriting,1.Hewascookingatthistimeyesterday.2.HewasridingahorseatninelastSunday.3.HewasplayingfootballatfouroclocklastFriday.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/Weredoing?,atthistimeyesterdayat9:00lastnightwas/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.,were,doing,waswatching,came,wasdoing,4)Thechildren_(play)footballatfouryesterdayafternoon.5)Thebaby_(sleep)whenthemothercameback.,wassleeping,wereplaying,二.完成下列句子1）LiLei_(在读英语）atthistimeyesterday.,wasreading,2)They_(在扫地）afterschoolyesterday.3）Theboysandgirls_(在唱歌）lastnight.4)You_（在打篮球）yesterdayafternoon,werentyou?5