现在进行时PPT

外研社《英语》(新标准)(三年级起始用）第八册2008年6月8日Whataretheydoing?Whatisshedoing?What’shedoing?Heis…dancingdancedancingWhat’sthegirldoing?Sheis…skatingskateskatingWhatisAmydoingnow?Sheisswimming.Whatisthegirldoingnow?Sheisdoingherhomework.Whataretheydoingnow?They’rereadingbooks.Whataretheydoing?theyare…runningrunrunning现在进行时定义：现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。Listen!Thebirdissinging.TheywatchTVareingnow.Themanrunisningnow.Theboyswimismingnow.Theteacherwriteisnow.ingTheydancearenow.ing•现在进行时常见的信号词：look!看listen!听now现在bookshopWhataretheydoing?Theyare_________booksinareadingreadbuyingWeare_______somefoodinasupermarketWhatareyoudoing?buyTomplayfootball.isingLucyisreadabook.ing现在进行时基本结构主语+be动词+动词的现在分词IamHe/SheWe/You/Theyisarewriting.speaking.running.结构:be+doing(be要根据主语作人称和数的变化)我用am，你用are，is连着他，她，它；Thepresentcontinuoustense现在进行时基本用法1.表示现在正在进行的动作和发生的事eg:---Whatareyoudoing?---Iamreadingabook.2.有时表示现阶段正发生的事,但此刻动作不一定正在进行eg:Heisteachingattheschool.WearelearningUnit5thesedays.3.现在进行时的句子中常有now,或在句首常出现Look!Listen!等信号词eg:Listen!Dannyissingingintheroom.Heisdoinghishomeworknow.现在分词一般情况下，直接加ing，如：play—playing动词-ing形式的构成一般在动词原形后+ingdoaskdoingasking以不发音e结尾的，去e，+ingwritetakedancewritingtakingdancing重读闭音节以一个辅音字母结尾的，双写这一字母+inggetrunswimputgettingrunningswimmingputtingseeing•1gdig•1mswim•2nbeginrun•3pskipstopshop•5tgetforgetcutputsit双写最后一个字母的单词一.写出下列动词的现在分词形式read—play—dance—write—sit—get—have—eat—look—carry—begin—put—readingplayingdancingwritingsittinggettinghavingeatinglookingcarryingbeginningputtingtake—swim—leave—shine—make—sleep—cut—change—lie—study—pay—visit—wait—swimmingshiningsleepingchangingstudyingpayingvisitingwaitingtakingleavingmakingcuttinglying总结现在进行时句式•肯定句---主+be+v-ing+其他•否定句---主+be+not+v-ing+其他•一般疑问句---be+主+v-ing+其他•特殊疑问句---特殊疑问词+be+主+v-ing+其他句型转换1.肯定句转换成否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句转换成一般疑问句,把be动词提到句首eg:Thestudentisdrinking.Isthestudentdrinking?3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成eg:Heisworking.Whatishedoing?现在进行时肯定句：主语+be现在分词+其它Iamswimminginthesea.Heisplayingfootball.Sheisrunningintheplayground.Wearehavingapicnicinthepark.Theyareeatinghamburgerathome.现在分词现在进行时否定句：在be动词后加not，有some变anyIamswimminginthesea.Iamnotswimminginthesea.现在进行时否定句：在be动词后加not，有some变anyHeisplayingfootball.Heisnotplayingfootball.isnot=isn’t现在进行时否定句：在be动词后加not，有some变anySheisrunningintheplayground.Sheisnotrunningintheplayground.isnot=isn’t一般将来时否定句：在be动词后加not，有some变anyWearehavingapicnicinthepark.Wearenothavingapicnicinthepark.arenot=aren’t现在进行时现在进行时否定句：在be动词后加not，有some变anyTheyareeatinghamburgers.Theyarenoteatinghamburgers.arenot=aren’t练习变否定句Iambuyingabookforyou.Iamnotbuyingabookforyou.Damingishavingaparty.Damingisnothavingaparty.变否定句Youareeatingsomehotdogs.Youarenoteatinganyhotdogs.变否定句现在进行时一般疑问句：be动词提前some变anyIamswimminginthesea.AmIswimminginthesea?还可以变为：？Areyou现在进行时一般疑问句：be动词提前some变anyHeisplayingfootball.Isheplayingfootball？现在进行时一般疑问句：be动词提前some变anySheisrunningintheplayground.Issherunningintheplayground？现在进行时一般疑问句：be动词提前some变anyWearehavingapicnicinthepark.Arewehavingapicnicinthepark？现在进行时一般疑问句：be动词提前some变anyTheyareeatingnow.Aretheyeatingnow？练习变一般疑问句Iambuyingabookforyou.buyingabookforyou？还可以怎样变？AreyouAmIDamingishavingaparty.IsDaminghavingaparty？变一般疑问句Youareeatingsomehotdogs.Areyoueatinganyhotdogs？变一般疑问句现在进行时特殊疑问句：疑问词+be+主语+动词现在分词+其它Sheisswimminginthesea.Whereissheswimming？现在进行时特殊疑问句：疑问词+be+主语+goingto+动词原形+其它Damingisdrinkingacola.WhatisDamingdrinking？现在进行时特殊疑问句：疑问词+be+主语+goingto+动词原形+其它Heisplayingfootball.Whoisplayingfootball？练习变特殊疑问句Iamhavingabirthdaypartyathome.Whereareyouhavingabirthdayparty？变特殊疑问句Samisbuyingabook.WhatisSambuying？变特殊疑问句Theyaredrinkingcolas.Whoaredrinkingcolas？练习题Iameatingahotdog.Heisplayingbaseballatschool.Sheisrunningintheplayground.Weareflyingakiteinthepark.Youaremakingacake.Iamreadingabook.I’mnotwriting.Whatareyoudoing?Whataretheydoing?Theyareplayingbasketball.Theyaren’tplayingsoccer.Doingsomeexercises二.用所给动词的适当形式填空1.Look!Andy________(fly)amodelplane.2.Listen!Amy__________(sing)inthenextroom.3.Manystudents___________(play)footballinthefootballfieldnow.4.Fatherisn’tathome.He________(work).5.It’sseveno’clocknow.Hisfather____________(watch)TV.isflyingissingingareplayingisworkingiswatching6.Kitty____________(dance)withherfriends.Can’tyousee?7.---WhereisMillie?---She________________(chat)withherclassmatesintheclassroom.8.---What_____Simon_________(do)?---He_____________(draw)apictureontheblackboard.9.---______thegirls___________(sing)?---No,they_______________(shout).10.Don’ttalkwithme,please.I___________(do)myhomework.isdancingischattingisdoingisdrawingAresingingareshoutingamdoing