三单形式PPT课件.ppt

.,1,likedancing.likesdancing.,They,She,.,2,主语为第一人称,第二人称,第三人称复数时,动词用原型.,主语为第三人称单数时,动词用第三人称单数形式.(三单）,用词规则,.,3,概念,.,4,哪些主语是第三人称单数?,现归纳总结如下：1.人称代词he,she,it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。,归纳总结,.,5,二、单个人名、地名或称呼作主语,是第三人称单数。如：HanMeilookslikehermother.韩梅看起来像她的母亲。BeijingisinChina.北京在中国。UncleWangoftenmakescakes.王叔叔经常做蛋糕。,归纳总结,.,6,三、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：Ahorseisausefulanimal.马是有用的动物。Thisbookisyours.这本书是你的。Thatcarisred.那辆小汽车是红色的。ThecatisLucys.这只猫是露茜的。,归纳总结,.,7,四、不定代词someone,somebody,nobody,everything,something等及指示代词this,that作主语时，是第三人称单数。如：Everyoneishere.大家到齐了。Thereissomethingwrongwiththewatch.这块手表有毛病。Thisisapen.这是一支钢笔。Thatisaneraser.那是一块橡皮擦。,归纳总结,.,8,五、不可数名词作主语时为第三人称单数。如：Themilkisintheglass.牛奶在玻璃杯里。Thebreadisverysmall.那面包很小。,归纳总结,.,9,六、当数字或字母作主语时，看作第三人称单数。如：6isaluckynumber.6是个吉利数字。Iisaletter.I是个字母。,归纳总结,.,10,概念,.,11,.,12,动词第三人称单数的变化规则1、直接在动词后+slike-likesplay-plays2、以s,x,sh,ch,接尾的动词：+eswash-washes3、以辅音+o接尾的动词：+esgo-goes4、以辅音+y接尾的动词：变y为i+esfly-fliesstudystudies,.,13,动词短语：+s:Plays,skips,sings,gives,starts,likes,buyssometoys,getsupcomesbackhomemakesnoodles,eatslunchdrinkscoffeebeginshisclass,practisesthepiano+es:watchesTVbrusheshisteethgoestobedgoestoschooldoesmyhomeworkdoessomereadingyi+es:flyfliesstudystudies不规则变化：have-has,.,14,请用所给动词的正确形式填空,Itbegins(begin)attwooclock.它在两点开始.,I_(like)cake.,We_(play)football.,like,play,He_(go)toschoolatseven.,goes,_hegoto