第三人称单数是英语中的一种语法,也称“三单”或“单三”,用于一般现在时的句子,当动词在第三人称后时:情况方法示例一般情况+slet-lets;get-gets以s、x、ch、sh和o结尾+espass-passes;fix-fixes;watch-watches;teach-teacheswash-washes;go-goes;do-does以辅音字母+y结尾变y为i+esstudy—--studies以元音字母+y结尾直接+splay-----plays特殊情况不规则have—--hasbe—--is首先,咱们要搞清楚第一、第二、第三人称各是什么。第一人称就是“我”和“我们”。第二人称是“你”和“你们”。第三人称单数是“他”、“她”和“它”,复数则是“他们”、“她们”和“它们”。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。下面我们归纳一下第三人称单数的用法:一、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。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。③UncleWangoftenmakescakes.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:①Ahorseisausefulanimal.马是有用的动物。②Thisbookisyours.这本书是你的。③Thatcarisred.那辆小汽车是红色的。④ThecatisLucy's.这只猫是露茜的。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:①Everyoneishere.大家到齐了。②Thereissomethingwrongwiththewatch.这块手表有毛病。③Thisisapen.这是一支钢笔。④Thatisaneraser.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:②Iisaletter.I是个字母。二、把下列动词变为第三人称单数形式。1.clean—2.go--3.have--4.do--5.play--6.fly—7.come—8.brush--9.watch--10.study--11.ask--12.answer--13.swim--14.catch--15.write--16.eat--17.make--18.paint--19.learn--20.phone--21.run--22.hop--23.sing--24.pick--三、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.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.Thegirl_______(teach)usEnglishonSundays.8.SheandI________(take)awalktogethereveryevening.9.There________(be)somewaterinthebottle.10.Mike_______(like)cooking.11.They_______(have)thesamehobby.12.Myaunt_______(look)afterherbabycarefully.13.Youalways_______(do)yourhomeworkwell.14.I_______(be)ill.I’mstayinginbed.15.She_______(go)toschoolfromMondaytoFriday.16.LiuTao_______(do)notlikePE.17.Thechildoften_______(watch)TVintheevening.18.SuHaiandSuYang_______(have)eightlessonsthisterm练习一、将括号里动词的适当形式填入横线上。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.Thegirl_______(teach)usEnglishonSundays.8.SheandI________(take)awalktogethereveryevening.9.There________(be)somewaterinthebottle.10.Mike_______(like)cooking.11.They_______(have)thesamehobby.12.Myaunt_______(look)afterherbabycarefully.13.Youalways_______(do)yourhomeworkwell.14.I_______(be)ill.I’mstayinginbed.15.She_______(go)toschoolfromMondaytoFriday.16.LiuTao_______(do)notlikePE.17.Thechildoften_______(watch)TVintheevening.18.SuHaiandSuYang_______(have)eightlessonsthisterm.19.He________TVeveryevening.(watch)20.John________likehisfather.(look)I________inthecorridors.(walk)lHe_________inthecorridors.(run)lShe___________herfaceonceaday.(wash)lThey____________theirteethonceaday.(brush)lYou___________upyourclothesonceaday.(hang)lWe____________ourhomeworkonceaday.(finish)lHe____________rubbishintheclassroom.(throw)lShe_____________rubbishonthefloor.(throw)lI_____________rubbishinthebin.(throw)lThey___________thetableonceaday.(set)lPeternever_________inthecorridors.(run)lMaryusually_________thetable.(set)lPatandKen_________theplantsinthemorning.(water)lTheboy__________hishaironceaday.(comb)lMissCheng_________TVathome.(watch)lMysister__________hisschoolbagonceaday.(pack)lMymother_________dinnerforme.(cook)lMyparents_________thehouseatChineseNewYear.(clean)lMyteachers_________ussomegifts.(give)lMyfriends_________thetablewithme.(set)练习二、选择正确的单词填到括号里。1.WhatdoesCandy__________(wants,want)tobe?2.You__________(should,shouldn’t)bequietinthelibrary.3.Heshouldn’t___________(throw,throws)rubbishonthefloor.4.Peter___________(help,helps)hismotherathome.5.Shenever_________(run,runs)inthecorridors.6.Weshould__________(walks,walk)inthecorridors.7.He_________(don’t,doesn’t)getupearly.8.Howoften__________(do,does)yourfathergotobed?练习三、将下列句子改成第三人称He的句型(看例句)例句:Ibrushmyteethonceaday.----改:Hebrusheshisteethonceaday.1.Icombmyhairtwiceaday.2.Theygotoschoolatsixinthemorning.3.Youwashyourfaceandputonyourclothes.4.Whendoyougetup?5.Howoftendoyouhangupyourclothes?练习四1.He__________(watch)TVeveryday.2.He_________(go)toschoolonhisbike.3.Dad_________(wash)thedishesforuseveryday.4.Myuncle_________(notgo)fishingattheweekends.5.Mybrother_______(notlike)playingfootball.6.Thetwinbrother_________(enjoy)goingtotheconcert.7.Oneofthestudentsoften__(do)hishomeworkafter10p.m.Itiswrong.8.Lucyoften________(chat)withMillie.9.Tomusually______(have)afastbreakfastinthe