一般现在时讲义定义:1,表示现在的状态以及主语具备的性格和能力;2,表经常的习惯性的动作等;3,表科学事实、客观真理。结构:1,主语+be+其它肯定式否定式疑问式简略答语Iam⋯Iamnot⋯Areyou⋯?Yes,Iam.No,Iamnot.Youare⋯Youarenot⋯=Youaren’tAmI⋯?Yes,youare.No,youaren’t.He/She/Itis⋯He/She/Itisnot⋯=He/She/Itisn’tIsshe/he/it⋯?Yes,he/she/itis.No,he/she/itisn’t.We/You/Theyare⋯We/You/Theyarenot⋯=We/You/Theyaren’tArethey⋯?Yes,theyare.No,theyaren’t.注:对第一人称提问要转换为第二人称2,主语+情态动词(can,must等)+V0+其它3,非三单主语+V0+其它现三单主语+V-s/V-es+其它以动词speak为例主语肯定式否定式疑问式简略答语非三单I,We;You;They;复数名词IspeakEnglish.TheyspeakChinese.WespeakChinese.TomandMayspeakFrench.TheboysspeakJapanese.主语+don’t+V0+其它.Idon’tspeakEnglish.Do+主语+V0+其它?DoyouspeakEnglish?Yes,Ido.No,Idon’t.现三单He/She/It;单数人名;单数名词HespeaksEnglish.MaryspeaksEnglish.ThisyounggirlspeaksEnglish.MysisterspeaksJapanese.主语+doesn’t+V0+其它.Hedoesn’tspeakEnglish.Does+主语+V0+其它?DoeshespeakEnglish?Yes,hedoes.No,hedoesn’t.注:对第一人称提问要转换为第二人称句型变换:有be提be否be,有情提情否情,无情无be要借助,借助动还原信号词:1,every系列:如everyday/week/month/year/family等;2,频度副词系列:一般现在时常与always,often,usually,sometimes,never,hardlyever等频度副词连用,它们在句中的位置通常放在实意动词之前,be动词、助动词、情态动词之后。3,Howoften系列:指的是用Howoften提问的时间状语,如:onceaday/week/month/year:一天/一周/一月/一年一次twiceaday/week/month/year:一天/一周/一月/一年两次threetimesaday/week/month/year:一天/一周/一月/一年三次fourtimesaday/week/month/year:一天/一周/一月/一年四次V-s/V-es的构成:当主语是第三人称单数时,动词形式需下列几种变化:1一般动词在词尾加s:helps,makes,leaves,knows,plays2以-s,-x,-ch,-sh,-o字母结尾的动词加es:teaches,goes,washes.fixes3以辅音字母加y结尾的动词,变y为i,加es:flies,studies,cries4不规则变化:do—does,go—goes,have--has一般现在时专项练习一、写出下列单词第三人称单数形式:catch_______guess______thank______take_______leave_______love______watch_______carry_______see_______answer_______come_______sleep______go_______eat________do______be________have________fly_______二、选择题:()1.Howmanyballoons_______youhave?A.areB.isC.doesD.do()2.Where_____Jimcomefrom?A.isB.areC.doD.does()3.____yourfather______toworkonatrain?A.Do;goB.Does;goesC.Does;goD.Do;goes()4.____Jim____anycoloredpencils?No,he____.A.Is,has,hasB.Do,have,hasC.Does,have,doesn'tD.Is,have,isn’t()5.When________yourbrotheroftendo______homework?A.do,/B.does,hisC.does,/D.do,his()6.IthinkTom_______abike.A.thereisB.haveC.doesD.has()7.We_____gamesor_____kiteseverySunday.A.playing,flyingB.play,flyC.do,makeD.take,mend()8.Ioften_______TVintheevening.A.watchB.seeC.watchesD.looksat()9.Heusually____hisofficeatsixintheafternoon.A.leaveB.leavesC.toleaveD.leaving()10.LiLei_______toeatanapple.Pleasegiveoneto______.A.want,himB.wants,heC.want,hisD.wants,him()11.Thetwins_____fromJapan.A.isB.doC.comeD.comes()12.______yourfather______toworkonatrain?A.Do;goB.Does;goesC.Does;goD.Do;goes()13.Myfriend______notathome.A.isB.wereC.wasD.are()14.Where________Mr.Smithlive?A.isB.areC.doD.does()15.Where________Mr.Smithfrom?A.isB.comeC.doesD.are三、将下列句子变成否定句和一般疑问句:1.Jimusuallyhashisdinnerat7:10.____________________________________________________________________________2.LilyandLucystudyEng...