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1、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
2、.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Heisreadi
3、ngabook.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+
4、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----watching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in
5、g.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Look,Mr.Wu__________(play)football.---Whereis
6、LiLei?---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)atthe
7、door?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)ourclassroomafter
8、scool.amisisclean用所给动词的适当形式填空:issinging1) I__________(be)astudent.Mysister______(be)astudent,too.2)Ther
