ThePresentContinuousTense现在进行时Whatistheboydoing?Heisrunning.Whatisthemandoing?Heissleeping.Whataretheydoing?Theyaresinging.ThePresentContinuousTense(现在进行时态)定义:现在进行时态表示现在正在进行或发生的某种事情及动作。构成:“主语+be(am,is,are)+v-ingv-ing是动词的现在分词形式,动词be根据主语人称进行变化。标志:当句中出现Look/Listen/now或有上下文提示时用现在进行时。请仔细观察下面几个进行时态的句子,并总结出动词变为现在分词的规则.1.I’mdoingmyhomeworknow.2.Listen!Heisplayingthepiano.3.Theyaredancingintheroom.4.Iamwritingsomewords.5.Heisrunning.6.Sheisswimming.动词现在分词的变化规律1)一般情况下,在动词原形后直接加-ing.如:work—working(工作)do—doing(做)play—playing(玩)2)以不发音的字母e结尾的动词,去掉e,再加-ing.如:dance—dancing(跳舞)come—coming(来)(但动词词尾是字母组合ee的,就不能去掉词尾e,而应直接加-ing。例如:see-seeing)3)重读闭音节单词,如果末尾只有一个辅音字母,则双写这一字母,再加-ing.如:get—getting(得到)shop—shopping(购物)run—running(跑)swim—swimming(游泳)Let'sdosomeexercise请说出下列动词的现在分词。1.help2.come3.swim4.eat5.give6.take7.sit8.playplayinghelpingcomingswimmingeatinggivingtakingsitting现在进行时的句式1.肯定句:主语+be(am/is/are)+V-ing+其他如:Iamreadingabook.2.否定句:直接在am/is/are后加not如:Iamwriting.Iamnotwriting.3.一般疑问句及回答:问句,直接把am/is/are提句首,若原句有第一人称,把第一人称变为第二人称。肯定回答:Yes,主语+be动词否定回答:No,主语+be动词+not如:Youaredrawingapig.(变为一般疑问句,并做肯定回答和否定回答)---Areyoudrawingapig?---Yes,Iam./No,I'mnot.4.特殊疑问句:对beV-ing提问要用what格式为:What+am/is/are+主语+V-ing?---Whatisthegirldoing?---Sheisreading.---Whataretheydoing?---Theyareswimming.---Aretheyswimming?---Yes,theyare.用所给动词的适当形式填空1)I_________basketballwithmyfriendnow.(play)2)She_________toschoolnow.(go)3)Listen!Thebird________onthetree.(sing)4)Look!He________ontheplayground.(run)5)Thedogs__________inthisriver.(swim)6)_____yourfather________(watch)TVnow?amplayingisgoingissingingisrunningareswimmingIswatching学习回顾1.现在进行时的定义:现在正在进行或发生的动作及事情。2.现在进行时的构成:主语+be(am/is/are)+V-ing3.动词现在分词的变化规律。