动词第三人称单数变换.doc

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1、动词第三人称单数变换当主语为第三人称单数的时,谓语动词就要用第三人称单数形式,即常在动词原形后加-s或-es。第三人称单数形式:1、人称代词he,she,it是第三人称单数。2、单独使得的人名、地名或称呼语作主语时。如:Jim often plays football with his friends.Uncle Wang likes making tings.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。如:That girl is beautiful.The dog is black.4、不定代词someone,somebody,nobody,ev

2、erything,something等及指示代词this,that作主语时,是第三人称单数。如:Everyone is here.There is something wrong with the watch.This is a pen.That is an eraser.5、当数字或字母作主语时,看作第三人称单数。如:“8”is a lucky number.”8”是个吉利数字。“A”is a letter.”A”是个字母。总结:动词变单三,规则很简单,一般加s,s、x、ch、sh、o、结尾加es,辅音加y结尾词,改y为i加es,元音加y加s,have单三是has。规则动词的过去式变化如下1

3、、一般情况下,动词词尾加 -ed ,如: work -worked play-played wanted-wanted act-acted2、以不发音的 -e 结尾动词,动词词尾加 -d,如: live-lived move-moved taste-tasted hope-hoped 3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如: study-studied copy-copied cry-cried carry-carried 4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如: stop -stopped 5、不规则动词的过去式变化规律性不强,须

4、多加记忆。go went make made get got buy - bought come - came fly-flew 不规则动词的过去式的构成1 把动词原形中的i改为a,变成过去式。如: beginbegan,drinkdrank,givegave,ringrang,singsang,sitsat,swimswam 2 把重读开音节中的i改为o,变成过去式。如:drivedrove,riderode,writewrote 3 改动词原形中的aw ow为ew,变成过去式。如: drawdrew,growgrew,knowknew,throwthrew(动词show除外,showsho

5、wed) 4 动词原形中的e改为o,变成过去式。如: getgot,forgetforgot 5 动词原形中的ee改为e,变成过去式。如: feedfed,meetmet 6 动词原形中的eep改为ept,变成过去式。如: keepkept,sleepslept,sweepswept 7 动词原形中的eak改为oke,变成过去式。如: breakbroke,speakspoke 8 动词原形中的ell改为old,变成过去式。如: sellsold,telltold 9 动词原形中的an改为oo,变成过去式。如:standstood,understandunderstood 10 以ought和

6、aught结尾,且读音是 :t的过去式。如: bringbrought,buy bought,thinkthought,catchcaught,teachtaught 11 以ould结尾且读音为ud的情态动词过去式。如: cancould,shallshould,willwould 12 把动词原形中的o改为a,变成过去式。如: comecame,becomebecame 13 在动词原形后加d或t变成过去式,并且发生音变。如:hearhi heardh :d, sayseisaidsed,meanmi:nmeantment14 动词的过去式与动词原形一样。如: letlet,mustmus

7、t,putput,readreadred 15 不符合上述规律的动词过去式。如:am,iswas,arewere,buildbuilt,dodid,eatate,fallfell,feelfelt,findfound,flyflew,gowent,have has had,holdheld,leaveleft,makemade,maymight,runran,seesaw,taketook 过去式“-ed”的发音规则 (1)动词词尾为“t,d”时,发/ id /音, want wanted (要)need needed (需要)(2)动词词尾为清辅音时,发/ t / 音。 help helpe

8、d (帮助)laugh laughed (笑)look looked (看)kiss kissed (吻)wash washed (洗) watch watched (注视)(3)动词词尾为t,d以外之浊辅音或元音时,发/ d /音。 call called (叫)staystayed (停留)crycried (哭)过去式与过去分词过去式是指过去某一时间发生的动作,用于一般过去时态;过去分词表示被动或完成,用于各种完成时态和被动语态。一、过去式和过去分词相同。动词原形过去式过去分词含义1.bringbroughtbrought带来2.buildbuiltbuilt建3.burnbrunt(b

9、runed)brunt(burned)燃烧4.buyboughtbought买5.catchcaughtcaught抓6.digdugdug挖7.feelfeltfelt感觉8.fightfoughtfought打架9.findfound found发现10.getgotgot得到11.hanghunghung悬挂hangedhanged绞死12.havehadhad有13.hearheardheard听到14.holdheldheld握15.keepkeptkept保持16.learnlearnt(learned)learnt(learned)学习17.leaveleftleft离开18.l

10、endlentlent借出19.loselostlost丢失20.makemademade制造21.meanmeantmeant意思是22.meetmetmet遇到23.paypaidpaid付款24.saysaidsaid说25.sellsoldsold卖26.sendsentsent送27.shineshone(shined)shone(shined)发光28.sitsatsat坐29.sleepsleptslept睡30.smellsmelt(smelled)smelt(smelled)嗅31.spendspentpsent花费32.standstoodstood站33.sweepswe

11、ptswept扫34.teachtaughttaught教35.telltoldtold告诉36.thinkthoughtthought想37.understandunderstoodunderstood理解38.winwonwon赢二、动词的过去分词是在动词原形后加n或者en.动词原形过去式过去分词含义39.beatbeatbeaten打40.blowblewblown吹41.drawdrewdrawn拉42.drivedrovedriven驾驶43.eatateeaten吃44.fallfellfallen下落45.givegavegiven给46.growgrewgrown生长47.kn

12、owknewknown知道48.mistakemistookmistaken弄错49.rideroderidden乘、骑50.riseroserisen升51.seesawseen看见52.showshowedshown出示,表现53.taketooktaken拿走54.throwthrewthrown抛、掷55.writewrotewritten写三、原形、过去式和过去分词相同。动词原形过去式过去分词含义56.costcostcost值(多少)钱57.cutcutcut切、割58.hithithit打59.hurthurthurt伤害、伤痛60.letletlet让61.putputput放

13、62.readreadread读四、原形中的i, 过去式改为a, 过去分词改为u。动词原形过去式过去分词含义63.beginbeganbegun开始64.drinkdrankdrunk饮65.ringrangrung响66.singsangsung唱67.swimswamswum游泳五、动词的过去分词是在过去式后加n或en.动词原形过去式过去分词含义68.breakbrokebroken打碎69.choosechosechosen选择70.forgetforgotforgotten忘记71.speakspokespoken讲72.wakewokewoken醒六、动词原形、过去式和过去分词都各不相同。动词原形过去式过去分词含义73.becomebecamebecome成为ecamecome来75.runranrun跑七、动词原形、过去式和过去分词都各不相同。动词原形过去式过去分词含义76.am,iswas

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