一般现在时(实意动词)

一.第三人称单数形式的词尾变化.,在一般现在时中,当主语是第三人称单数形式时,行为动词用第三人称单数形式,即加-s或es.具体方法如下:,一般情况下,直接加-s.如:work-worksplay-playsrain-rainssee-sees,2.以sh,ch,s,x或o结尾的词后加-es.如:wash-washesteach-teachesfix-fixesdo-doesgo-goes,3.以辅音字母加-y结尾的,先把y变成i,再加-es.如:study-studiesfly-fliescarry-carries,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,思考：什么时候用动词的原型？什么时候用动词的三单形式？观察下列图片，并得出结论。,Thegirleatsapples.,Thetwoboyseatapples.,Mikeplaysbasketball.,Theboysplaybasketball.l,Xiaomeigoestoschool.,Thesistersgotoschool.,MingmingwatchesTV.,TimandhismotherwatchTV.,Marygoesshopping.,Herfriendsgoshopping.,Janereadsbooks.,Thestudentsreadbooks.,二.哪些主语是第三人称单数,1.人称代词he,she,it是第三人称单数.1).HelikeswatchingTV.他喜欢看电视.2).Shehaslunchattwelve.他十二点吃午餐.3).Itlookslikeacat.它看起来象只猫.,2.单个人名.地名或称呼作主语时,是第三人称单数形式.如:1).HanMeiwatchesTVwithhermother.韩梅和她的母亲看电视.2).BeijingisinChina.北京在中国.3).MissWuoftenmakescakes.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.如:1).Thisgirlplaysfootballinschool.2).Thisbookisyours.3).Thatcarisred.4).ThecatisLucys.,5.不可数名词作主语时,为第三人称单数.如:1).Themilkisintheglass.牛奶在玻璃杯里.2).Thebreadisverysmall.那块面包很小.,6.当数字或字母做主语时,看做第三人称单数.如:1).“6”isaluckynumber.“6”是个吉利数字.2).“I”isaletter.“I”是个字母.,专项习题精练(着眼高分查漏补缺),用括号中所给动词的适当形式填空,1.Heoften_(have)dinnerathome.2.DanielandTommy_(be)inClassOne.3.We_(watch)TVonMonday.4.Nick_(go)tothezooonSunday.,5.Mike_(like)cooking.6.They_(have)thesamehobby.7.Myaunt_(look)afterherbabycarefully.8.Youalways_(do)yourhomeworkwell.9.I_(be)ill.Imstayinginbed.10.She_(go)toschoolfromMondaytoFriday.,11.Danny_(study)English,Chinese,math,scienceandartatschool.12.Mikesometimes_(go)totheparkwithhissister.13.Myfatheralways_(come)back(回来)fromworkverylate.14.Theteacherisbusy.He_(sleep睡觉)sixhoursaday.15.Joan_(sing唱歌)intheclassroomeveryday.Sheoften_(sing)there.,一般现在时,结构：,主语(I,we,you,they,thegirls),主语(he,she,it,Tom,theboy),+动词原形(go,play,talk),+动词三单(goes,plays,talks),定义：,表示经常性或习惯性的动作。,怎么改一般疑问句：一找be动和情态，二找主语你、我、他，找到了，恭喜你，把他们句首安个家，be动、情态要在前，紧跟主语你、我、他，注意要把some换any。找不到be动和情态，do会在句首笑你傻，主语三单就打死（does）它，别忘了还有过去式是did.检查完拼写就搞定啦！,怎么改否定句的顺口溜先找be动和情态，再把not后面带，找不到也别急，实意动词圈出来，dont、doesnt、didint当帽戴，还得小心被some害，改成any，才算完.,一般现在时,结构：,肯定句：（复数）主语+动词原形+其他,一般疑问句：Do+（复数）主语+动词原形+其他？,否定句：（复数）主语+dont+动词原形+其他,肯/否回答：Yes,主语+do.No,主语+dont.,特殊疑问句：特殊疑问词+do/does+主语+动词原形,结构：肯定句：（单数）主语+动词三单+其他否定句：（单数）主语+doesnt+动词原形+其他一般疑问句：Does+主语+动词原形+其他？肯/否回答：Yes,主语+does.No,主语+doesnt.,IspeakEnglish.2.WelikeMath.3.TheygoswimmingonSundays.,将下列句子改成否定句，一般疑问句并回答：,IdontspeakEnglish.,DoyouspeakEnglish?Yes,Ido/No,Idont.,WedontlikeMoths.,Doyoulikemoths?Yes,wedo/No,wedont.,TheydontgoswimmingonSundays.,DotheygoswimmingonSundays?Yes,theydo./No,theydont.,一般疑问句，肯定回答，否定回答.,SimonandDaniellikegoingskating.MyparentswatchTVeveryday.SunYangandSunFangusuallywashclothesonSaturdays.Herclassmatesplayfootballinschool.,一般疑问句，肯定回答，否定回答.,Shelikesmilk.HespeaksEnglishverywell.JohncomesfromCanada.Amylikesplayingcomputergames.,GaoShanssisterlikesplayingtabletennis.Mydogrunsfast.Mingmingusuallywaterstheflowerseveryday.Tomdoeshishomeworkathome.,Letscorrect:Igoestoschoolatsixeveryday.Hedontlikeplayingfootball.3.Theylikesplayinggames.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.WhatdotheyonSunday?7.Tonygoesalwaystoschoolateightoclock.8.Whattheyeatintheparty?9.Lilyhaveslunchatschool.10.Whatdohisparentsusuallygiveshim?,_,_,_,_,_,_,_,_,_,_,1.Iwanttobuyabiggreenbag.(变特殊疑问句)_youwanttobuy？,2.Marydoesnothaveanybooks.(变肯定句)Mary_books.,3.Shelikestheblackbag.(变为否定句),Shedoesntlikethebla