现在进行时PPT

Whataretheydoing?What’shedoing?Heis…dancingdancedancingWhataretheydoing?theyare…runningrunrunningThepresentcontinuoustense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.•现在进行时常见的信号词：look!看listen!听now现在rightnow马上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)Listen!Thebirdissinging.TheywatchTVareingnow.Theboyswimismingnow.Theydancearenow.ing动词-ing形式的构成一般在动词原形后+ingdoaskdoingasking以不发音的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+inggetrunswimputgettingrunningswimmingputtingseeingWhatishe/shedoing?What’she/shedoing?He/sheis…walkingdrawingdancingeatingIamreadingabook.I’mnotwriting.Whatareyoudoing?Let’splayagame:Arethey+v-ing…?Isit/he/she+v-ing…?Aretheydancing?Whataretheydoingnow?Yes,theyare.NO,theyaren’t.Isthepigwalking/running/…?Yes,itis.No,itisn’t.Ishe…?Yes,heis.No,heisn’t.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?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—Tomplayfootball.isingLucyisreadabook.ingWhatisAmydoingnow?Sheisswimming.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.