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一般现在时的自述三单变化.多数在动词后+splay—playslike—likes.以sxshcho结尾的+esgo—goeswash—washes.以辅音字母加y结尾,把y改成i再加esfly—fliescry—cries在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加或・es但有些同学们对于哪些主语是第三人称单数还不十分清楚,现归纳总结如下
一、人称代词hesheit是第三人称单数如HelikeswatchingTV.他喜欢看电视Shehaslunchattwelve.她十二点吃午餐Itlookslikeacat.它看起来像只猫
二、单个人名、地名或称呼作主语;是第三人称单数如
①HanMeilookslikehermother.韩梅看起来像她的母亲
②BeijingisinChina.北京在中国
③UndeWangoftenmakescakes.王叔叔经常做蛋糕
三、单数可数名词或“this/that/the+单数可数名词“作主语时,是第三人称单数如fAhorseisausefulanimal.马是有用的动物2Thisbookisyours.这本书是你的dThatcarisred.那辆小汽车是红色的@ThecatisLucy*s.这只猫是露茜的
四、不定代词someonesomebodynobodyeverythingsomething等及指示代词thisthat作主语时,是第三人称单数如
①Everyoneishere.大家到齐了
②Thereissomethingwrongwiththewatch.
③Thisisapen.这是一支钢笔@Thatisaneraser那是一块橡皮擦
五、不可数名词作主语时为第三人称单数如
①Themilkisintheglass.牛奶在玻璃杯里
②Thebreadisverysmall.那面包很小
六、当数字或字母作主语时,看作第三人称单数如
①‘6isaluckynumber.6是个吉利数字
②Tisaletter.T是个字母Helloboysandgirls.我是一^般现在时,你们想知道我的故事吗?Letmetellyou!.首先,介绍我的本领我的本领有三样.表示事物或人物的特征、状态如Theskyisblue.天空是蓝色的.表示经常性或习惯性的动作如Igetupatsixeveryday.我每天六点起床.表示客观现实如Theearthgoesaroundthesun.地球绕着太阳转第二,请看我的面目••构成.be动词主语+beamisare+其它如Iamaboy.我是一个男孩.行为动词主语+行为动词+其它如WestudyEnglish.我们学习英语当主语为第三人称单数hesheit时,要在动词后加‘y或如MarylikesChinese.第三,我的变化••否定句、一般疑问句、特殊疑问句be动词的变化否定句主语+be+not+其它如Heisnotaworker.他不是工人一般疑问句Be+主语+其它如:Areyouastudent-Yes.Iam./NoImnot.特殊疑问句疑问词+一般疑问句如Whereismybike.
2.行为动词的变化否定句主语+dontdoesnt+动词原形+其它如Idon*tlikebread.当主语为第三人称单数时,要用doesnt构成否定句如Hedoesn*toftenplay.一般疑问句DoDoes+主语+动词原形+其它如-Doyouoftenplayfootball-YesIdo./NoIdont.当主语为第三人称单数时,要用does构成一般疑问句如-Doesshegotoworkbybike-Yesshedoes./Noshedoesnt.小朋友们,下次见到我时千万不要忘记我是〃一般现在时〃啊!Seeyounexttime!一般现在时
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一、写出下列动词的第三人称单数形式(讨论第三人称单数形式的变化规则)1watch5fly_2have3cook6make4go二.用动词的正确形式填空youtheblackboardYesIam.A.CancleanB.AmcleaningC.ArecleaningD.Docleangoandhelpher.A.LefsmeB.LefsusC.LefsD.LefstoWhataretheydoingTheyarethingsaway.A.putB.putingC.puttingD.carryDotheyhaveanewcarYes.a.、-、..D.theydoA.theyarehaveC.theydontHeoftensupperat6:00intheevening.A.haveB.hasc.ishavingD.iseatingIfs6oclockinthemorning.He.A.getupB.getsupC.isgetingupD.isgettingupWhatareyoudoingPmTV.A.watchB.watchesC.towatchD.watchingWeanyChineseclassesonFriday.A.arehavingB.arenthavingC.donthaveD.arehaveTomanEnglishclassnow.A.ishavingB.hasC.havingD.haveAreyouplayingbasketballNowe.A.isntB.arentC.notD.dontListen!Thegirlintheroom.A.singsB.singingC.issingingD.aresingingTheboyistohisteacher.A.sayingB.speakingC.talkingD.telling
六、用括号内动词的适当形式填空Heoftenhavedinnerathome.DanielandTommybeinClassOne.WenotwatchTVonMonday.NicknotgotothezooonSunday.theyliketheWorldCupWhattheyoftendoonSaturdaysyourparentsreadnewspaperseverydayThegirlteachusEnglishonSundays.SheandItakeawalktogethereveryevening.Therebesomewaterinthebottle.Mikelikecooking.Theyhavethesamehobby.Myauntlookafterherbabycarefully.Youalwaysdoyourhomeworkwell.beill.Fmstayinginbed.ShegotoschoolfromMondaytoFriday.LiuTaodonotlikePE.ThechildoftenwatchTVintheevening.WangKaiandWanglihaveeightlessonsthisterm.—Whatdaybeittoday—IfsSaturday.
七、用isamare填空1\thesechairsYesthey.2\youanewstudentNoInot.3\LiTaoaboyandAnnagirl.4\Therethreebedroomsinourhouse.5\HowyouIfine.Thankyou.6\Thecatswhite.7\BettyandTomfriends.8\youaboyYesI・9\Theyonthesecondfloor.10\theyEnglishcarsYesthey.11\Mymotheranicewoman.12\Theirparentsworkers.
八、按照要求改写句子
1.DanielwatchesTVeveryevening」改为否定句)
2.1domyhomeworkeveryday.(改为一般疑问句作否定回答)
3.Shelikesmilk.(改为一般疑问句,作肯定回答)Amylikesplayingcomputergames.(改为一^疑问句作否定回答)Wegotoschooleverymorning』改为否定句)HespeaksEnglishverywell.(改为否定句)liketakingphotosinthepark.(对划线部分提问)JohncomesfromCanada.(对划线部分提问)Sheisalwaysagoodstudent4改为一般疑问句作否定回答)SimonandDaniellikegoingskating.(改为否定句)Wehavefourlessons.(否定句)Nancydoesntrunfast(肯定句)
九、改错(划出错误的地方,将正确的写在横线上)LIsyourbrotherspeakEnglishDoeshelikesgoingfishingHelikesplaygamesafterclass.Mr.WuteachsusEnglish.ShedontdoherhomeworkonSundays.。