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1、时态与句型转换Ⅰ一般现在时与现在进行时Look,readandjudge:判断下列句子的时态LOOK!Thebirdsaresinging.Ioftengotoschoolbybus.MikegoesshoppingonSundays.TheyarehavinganEnglishlessonnow.It’ssixo’clock.Benishavingsupper.Helenplaysfootballafterschool.LOOKaresingingoftenonSundaysarehavingn
2、owIt’ssixo’clockishavingplaysgoesafterschoolgo现在进行时现在进行时现在进行时一般现在时一般现在时一般现在时PresentContinuousTense（现在进行时）SimplePresentTense（一般现在时）★标志词★动词的形式时态名称标志词动词形式现在进行时look,listen,now,It’s...(几点了)…be+动词ing一般现在时sometimes,usually,often,always,every...,1.原形2.动词+s/es
3、(第三人称单数)PresentContinuousTense（现在进行时）构成：现在分词构成：Be+动词ing练习：拼读出下列动词的ing形式.1.help_________2.come_________3.swim_________4.eat__________5.give________6.take_______7.sit________8.play________helpingcomingswimmingeatinggivingtakingplayingsittingPresentConti
4、nuousTense（现在进行时）1)一般情况下，在动词原形后直接加-ing.如：work—workingdo—doing2)以不发音的字母e结尾的动词，去掉e再加-ing.如：dance—dancingcome—coming(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—gettingshop—shoppingrun—runningswim—swimmingS
5、implePresentTense（一般现在时）PresentContinuousTense（现在进行时）动词+ing（现在分词）动词原形动词第三人称单数形式（简称三单形式）主语是第三人称单数，动词要使用三单形式。动词形式Look,readandjudge:判断下列人称是不是三单,用yes或no回答Mike_____we_____yoursister______mymother’sstudent______it_______YangLing’sdog________hisbrother______
6、HelenandSuYang______you_______√√√√××√×√除了I，除了you,除了复数，剩下的都是三单。当主语是第三人称单数时，动词要使用三单形式。1.Ilikeplayingfootball.Heplayingfootball.2.MikeandIhavesomestamps.YangLingsomestamps,too.likeshas1.washwashes2.staystays3.guessguesses4.studystudies5.taketakes6.gogoes
7、7.stopstops8.seesees9.drivedrives10.playplays11.flyflies12.findfinds13.teachteaches14.washwashesExercise:拼读出下列单词的三单形式1.wash______2.stay_____3.guess______4.study______5.take_______6.go________7.stop______8.see______9.drive_____10.play______11.fly______
8、12.find____13.teach______14.wash______SimplePresentTense（一般现在时）(2)以s,x,sh,ch结尾的单词，或当o前为辅音字母,加eswatchesteachesgoesdoeswashesbrushes(3)以辅音字母加y结尾的单词，将y改为i加es:study→studiesfly→fliescarry→carriescry→cries但在y前如果为元音则直接加sbuyssaysrunsgetslikestakesplay
