初中英语语法之-----现在进行时(19张ppt)

现在进行时domyhomeworkIamdoingmyhomeworknow.listentotheradioSheislisteningtotheradio.haveaclassTheyarehavingaclassintheclassroom.否定句:一般疑问句:肯定回答:否定回答:Iamdoingmyhomework.No,Iamnot.Yes,Iam.Areyoudoingyourhomework?Iamnotdoingmyhomework.否定句:一般疑问句:肯定回答:否定回答:Sheislisteningtotheradio.No,sheisn’t.Yes,sheis.Isshelisteningtotheradio?sheisnotlisteningtotheradio.isn’t否定句:一般疑问句:肯定回答:否定回答:Theyarehavingaclassintheclassroom.Theyarenothavingaclasintheclassroom.Aretheyhavingaclassintheclassroom?No,theyarenot(aren’t).Yes,theyare.aren’t2.标志词:现在进行时的含义与构成表示现在正在进行或一段时间正在进行的动作1.含义：now,look,listen等。Be(am,is,are)+V-ing3.构成：Be(am/isare)随着主语的变化而变化。2.否定句：直接在be后加not.主语+benot+v-ing+其它.如：Iamwriting.Iamnotwriting.现在进行时的句式1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.3.一般疑问句及回答:问句,直接把be提前,Be+主语+v-ing+其它?肯定回答:Yes,主语+be否定回答:No,主语+be+not.-----Areyoudrawing?-----Yes,Iam./No,I’mnot.4.特殊疑问句疑问词＋be+主语＋V+ing+其它?Whataretheydoingatthemoment?5.V-ing变化规则：1）一般加ing.如:play----playingwatch----watching2)以不发音的e结尾,去e加ing.如:take----taking3)元+辅结尾,且是重读闭音节的单词,双写辅音字母+ing.如:run----runningswim----swimming4)以ie结尾的动词,变ie为y,再加ing.如：die---dyinglie---lyingtie---tying练习1.写出下列动词的ing形式.1.help_________2.come_________3.swim_________4.eat__________5.give________6.find_______7.sit________8.write________helpinggivingfindingsittingwritingcomingswimmingeating学科网1.Look,Mr.Wu__________(play)football.2.---WhereisLiLei?---He___________(water)treesinthegarden.3.Thebaby__________(sleep).4.Look!Adog___________(run)afteracat.5用动词现在进行时态填空:isplayingiswateringissleepingisrunning5.TheGreenfamily__________(have)lunchnow.6.NowI______________(study)atanewschool.7.Who____________(knock)atthedoor?8.Theboys_____________(swim)intherivernow.arehavingamstudyingisknockingareswimming1)I__________(be)astudent.Mysister______(be)astudent,too.2)There______（be）apenandtwopencilsinthepencil-box.3)Listen!She_________(sing)asong.4)Wealways________(clean)ourclassroomafterscool.amisisclean用所给动词的适当形式填空:issinging1)I__________(be)astudent.Mysister______(be)astudent,too.2)There______（be）apenandtwopencilsinthepencil-box.3)Listen!She_________(sing)asong.4)Wealways________(clean)ourclassroomafterschool.5)There_______manycloudsinthesky.It___________________rainsoon.6)Sometimeswe______(play)footballafterschool.Wereally_____(enjoy)ourselves7)They_________(go)toGuangzhouforameeting.8)Weknowthere_______(be)24hoursinaday.amisiscleanplayenjoywillgoare用所给动词的适当形式填空:issingingarewill/isgoingto11)Allthestudents___________(have)computerlessonsnow?12)______you_______(go)toschoolbybusnextFriday?13)What______yourmother_______(do)?14)Don'tbelate,Joan.Thetrain__________(start)at10a.m.15)Myparentsusually______(watch)TVonSaturdayevening.16)Heoften________(listen)totheradioathome.17)We_______________(nothave)muchworktodotoday.18)When_____yourmusiclesson______(begin)?19)Why______you______(notgo)bytrain?20)______(be)you_________haveamusicclasstomorrow?arehavingwillstartwatchdon’thavedoesbegindon’tgoWillgolistensAredoesdogoingto