英语动词《第三人称单数形式》的变化规则

英语动词第三人称单数变化规则一般现在时的肯定句中，主语为第三人称单数的动词变化主要体现在词尾的变化上，其规律为：规则原形第三人称单数形式1、一般情况下，直接在动词词尾+sgettakeplaygetstakesplays2、以s,x,sh,ch,o结尾的动词，在词尾+esguessfixfinishteachgo和doguessesfixesfinishesteachesgoes和does3、以辅音字母+y结尾的动词，先把y变为i，再加esstudytryflycarryworrystudiestriesfliescarriesworries4、不规则动词（特殊情况）havebehasis1、变否定句：含有动词第三人称单数形式的句子变否定句时，要在动词前面加上doesn’t或doesnot，动词的第三人称单数形式要还原成原形：格式为doesn’t/doesnot+动词原形，如：Hegoestoschoolatsixinthemorning.(变否定句)→Hedoesn'tgotoschoolatsixinthemorning.2、变一般疑问句：把含有动词第三人称单数形式的变成一般疑问句时，要借用助动词does，如：Shegoeshomeatfiveeveryday.→Doesshegohomeatfiveeveryday?---Yes,shedoes./No,shedoesn’t.哪些主语是第三人称单数？1、人称代词he,she,it；如：HelikeswatchingTV.他喜欢看电视。Shehaslunchattwelve.她十二点吃午餐。Itlookslikeacat.它看起来像只猫。2、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。3、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；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。ThecatisLucy's.只猫是露茜的。4、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。Thewaterisverycold.那些水很凉。。例题引路：1、写出下列动词的第三人称单数。drink________go_______stay________make________look_________have_______pass_______carry_______come________watch________plant_______fly________study_______brush________teach________2、用括号内动词的适当形式填空。1.Heoften________(have)dinnerathome.2.We_____________(notwatch)TVonMonday.3.Nick___________(notgo)tothezooonSunday.4.________they__________(like)theWorldCup?5.What_________theyoften_________(do)onSaturdays?6._________yourparents_________(read)newspaperseveryday?7.There________(be)somewaterinthebottle.8.Myaunt_______(look)afterherbabycarefully.9.Thechildoften_______(watch)TVintheevening.10.Mike’ssister________(cook)nicefood.I_______(like)eatingitverymuch.21._______(do)yourbrother_______(watch)TVintheevening?No,he_______(not).3、选出正确的答案：1.She(like/likes)toplayfootball.2.He(like/likes)drinkingmilk.3.I(like/likes)towatchTV.4.We(like/likes)toplaybadminton.5.They(like/likes)tosingsongs.6.She(read/reads)bookseveryday.7.He(play/plays)computergameseveryday.8.It(listen/listens)totheradioeveryday.9.Linda(draw/draws)pictureseveryday.10.JaneandLinda(play/plays)footballeveryday.5、把下列句子变为否定句：1.Welikeplayingfootball.2.Lindaswimseveryday.3.Theylikeplayinggames.4.Myfatherreadsnewspaperintheevening.7、把下列句子变为疑问句，并做肯定和否定回答。1.Mybrothercanrideahorse.4.Wecleantheclassroomafterschool.___________________________________________________________