动词三单的变化规则

1、上海恒山教育题库专项练习（动词的第三人称单数）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-s或-es。现归纳总结如下：一、人称代词he,she,it是第二人称单数。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；是第二人称单数。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

2、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：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。四、不定代词someone,somebody,nobody,everything,something等及扌旨示代词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.

3、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：Themilkisintheglass.牛奶在玻璃杯里。Thebreadisverysmall.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：6isaluckynumber.6是个吉利数字。Iisaletter.I是个字母。三单动词的变化规则一般情况下，直接加-s以s.x.sh.ch.o结尾，加-es以“辅音字母+y”结尾，变y为i,再加-es一般现在时用法专练:一、写出下列动词的第三人称单数drink_go_stay_makelookhave_pass_carrycome_wa

4、tch_plant_flystudy_brush_do_teach二、用括号内动词的适当形式填空。Heoften(have)dinnerathome.DanielandTommy(be)inClassOne.We(notwatch)TVonMonday.Nick(notgo)tothezooonSunday.they(like)theWorldCup?Whattheyoften(do)onSaturdays?yourparents(read)newspaperseveryday?Thegirl(teach)usEnglishonSundays.SheandI(take)awalktogethe

5、reveryevening.There(be)somewaterinthebottle.Mike(like)cooking.They(have)thesamehobby.Myaunt(look)afterherbabycarefully.Youalways(do)yourhomeworkwell.I(be)ill.Imstayinginbed.She(go)toschoolfromMondaytoFriday.LiuTao(do)notlikePE.Thechildoften(watch)TVintheevening.SuHaiandSuYang(have)eightlessonsthiste

6、rm.Whatday(be)ittoday?ItsSaturday.三、按照要求改写句子DanielwatchesTVeveryevening.(改为否定句)Idomyhomeworkeveryday.(改为一般疑问句，作否定回答)Shelikesmilk.(改为一般疑问句，作肯定回答)Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)Wegotoschooleverymorning.(改为否定句)HespeaksEnglishverywell.(改为否定句)Iliketakingphotosinthepark.(对划线部分提问)JohncomesfromCanada.(对划线部分提问)Sheisalwaysagoodstudent.(改为一般疑问句，作否定回答)SimonandDaniellikegoingskating.(改为否定句)五、改错(划出错误的地方，将正确的写在横线上)IsyourbrotherspeakEnglish?