一般现在时公开课典范

.,一般现在时,.,教学目标,让学生学会正确的使用一般现在时掌握当主语是单三时实义动词在一般现在时中的变化规则能综合运用一般现在时完成任务通过课堂互动与合作学习，增强学习兴趣，培养语言知识交际能力,.,自学指导:,一般现在时的定义和具体应用？一般现在时的表达方式是什么？一、系动词be的一般现在时二、情态动词的一般现在时三、实义（行为）动词的一般现在时,.,研一研,分小组讨论总结出一般现在时表示什么意义？具体用法是什么？,.,定义及具体运用1.表示现在的状态：e.g.Hestwelve.Shesatwork.2.表示经常或习惯性的动作，常与表示频率的时间状语连用。【talk】,1.频度副词:sometimes(有时),often,always(总是),usually(通常),seldom,never(决不)twiceaweek,seldom,onceamonth,onSundays,2.inthemorning/afternoon/evening,3.everymorning/night/evening/day/week/year,e.g.Ileavehomeforschoolat7:00everymorning.Igetupat6:30everyday.HereadsEnglisheverymorning.,学一学,.,3.表示主语具备的性格和能力等：e.g.Shelikesnoodles.TheyspeakJapanese.4.普遍真理和自然规律：e.g.Twoplusfourissix.Themoongoesaroundtheearth.Theearthmovesaroundthesun.ShanghailiesintheeastofChina.注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。e.g.Columbusprovedthattheearthisround.5.表示格言或警句中。e.g.Pridegoesbeforeafall.骄者必败。,.,研一研,一般现在时通过哪几项动词的变化来表示？它们的否定、疑问、特殊疑问又该如何表示？分别如何作答？,.,表达方法,主要通过和的变化来表示，常常句中加上表示时间的词语。其中最主要的是谓语动词的变化。一般现在时动词变化的规则是：,情态动词、,be动词、,实义（行为）动词,助动词、,Starttolearn,.,be动词的一般现在时肯定句：主语+be+表语(n.,adj.数词，介词短语等)表状态Iamastudent.Heistwelve.Theyareintheclassroom.,否定句：be+notIamnotastudent.Heisnotathirteen.Theyarenotintheclassroom.,.,一般疑问句：be提前Areyouastudent?Ishetwelve?Aretheyintheclassroom?,特殊疑问句：疑问词+一般疑问句Whoareyou?Howoldishe?Wherearethey?,肯定回答：Yes，主语+be,否定回答：No，主语+be+not,注意：在作疑问句的回答时，主语要用相应的代词代替,.,I用am；you,we，they都用are,is连着he，she，it；单数名词用is,复数名词全用are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后not莫忘记。疑问否定任你变，句首大写莫迟疑,总结一下：,Be的用法口诀（talkboutit),.,一、用be动词的适当形式填空Amy_hersister.2.Hisname_Kate.3.-What_yourphonenumber?-It_284-2942.4.-_youCara?-No,I_Gina.5.Herbrothersname_John.6.Hisfamilyname_Li.,is,is,is,Are,am,is,is,is,PracticeandTest,.,四、用be动词的正确形式(is,am,are)填空，完成句子18._theyfromJapan?Yes,they_.19.You_ateacherandI_adoctor.20._RonaldofromBrazil?Yes,he_.21.Who_that?This_Kangkang.22._youastudent?Yes,I_.23.Where_Beijing?It_inChina.,Are,are,are,am,Is,is,is,is,Are,am,is,is,.,()1.Whatcolor_hershoes?Black.amB.isC.areD.be()2.Thesearemypants.His_yellow.A.isB.amC.areD./()3.Myfamily_verybig.A.amB.isC.areD.does()4.Thispairofshoes_mine.Hisareoverthere.A.willbeB.isC.areD.be()5.Myname_Jack.LiuYingandSunMei_myfriends.A.is;areB.is;isC.are;isD.is;am()6.Whatclass_yourbrotherin?He_inClassTwo.A.does;isB.is;isC.are;/D.are;is,.,Bobisnotonthefootballteam.,IsBobonthefootballteam?,No,heisnt.(Yes,heis.),Theyarenotintheteachersoffice.,Aretheyintheteachersoffice?,Yes,theyare.(No,theyarent.),WhatisBob?,Whoareintheteachersoffice?,二.改写下列句子。1.Bobis(onthefootballteam.)否定句：一般疑问句：回答：对括号部分提问：2.(Theyare)intheteachersoffice.否定句：一般疑问句：回答：对括号部分提问：3.Thereis(apiano)intheroom.否定句：一般疑问句：回答：对括号内容提问：,Thereisnotapianointheroom.,Isthereapianointheroom?,Yes,thereis.(No,thereisnt.),Whatisintheroom?,.,3.Itis(sunny)today.否定句：一般疑问句：回答：对括号内容提问：4.Thereis(somewater)inthebottle.否定句：一般疑问句：回答：对括号内容提问：,Itisnotsunnytoday.,Isitsunnytoday?,Yes,itis.(No,itisnt.),Thereisnotanywaterinthebottle.,Isthereanywaterinthebottle?,Yes,itis.(No,itisnt.),Howistheweathertoday?,Whatstheweatherliketoday?,Whatisinthebottle?,.,对主语提问：当主语是人时，用“Whos+介词短语?”；当主语是物时，用“Whats+介词短语?”。其中there在口语中常常省略。注意：无论原句的主语是单数还是复数，对其提问时一般都用be的单数形式(回答时却要根据实际情况来决定)。如：,Thereisabirdinthetree.Whatsinthetree?Therearesomebikesoverthere.Whatsoverthere?Thereisalittlegirlintheroom.Whoisintheroom?,.,对地点状语提问：用“Whereisare+主语?”表示（注意其答语变化）：,Thereisacomputerinmyoffice.Whereisthecomputer?-Itsinmyoffice.Therearefourchildrenintheclassroom.Wherearethefourchildren?Theyreintheclassroom.,.,情态动词的一般现在时,构成,主语+情态动词+动词原形+其他,ShecanspeakEnglish.,注意：情态动词后的动词一定要用原形,试比较：Theyareright.ShespeaksEnglish.,学一学,TheycansingEnglishsongs,.,情态动词否定句的构成,主语+情态动词+not+动词原形+其他,Icandrivethecarbutshecant,IcantspeakEnglishShecantdriveacar.,cancannotmaymaynotmustmustnot,.,CanyouspeakEnglish?,Yes，Ican.,No，Icant.,肯定回答：Yes，主语+情态动词,否定回答：No，主语+情态动词+not,情态动词+主语+动词原形+其它部分？,注意：在回答时，主语要用相应的代词代替,情态动词疑问句的构成,.,ShecanspeakEnglish.HemaybeinBeijing.Wheremayheis?Theymustfindit.Whatmusttheyfind?,情态动词的特殊疑问句的构成,特殊疑问词+情态动词+主语+动词原形+其它部分？,Whatcanshespeak？,.,情态动词后接动词原形;没有人称和数的变化;不能单独作谓语,与后面的动词共同作谓语;其否定形式在后面直接加not。,Modalverbs情态动词,总结,.,.用适当的情态动词填空：。1.Icanplayfootball._youswim?2.Dontworry.You_returnmethisbooktomorrow.3.Mygrandmaisill.You_talksoloudlyhere.4.Icantplaywithyou.I_finishmyhomeworkfirst.5.I_getupearlytomorrow.becauseIhaveameeting.6._youpleaseopenthewindow?,Can,may,cant,must,must,Can,.,9.Nobody_livewithoutair.10._hespeakChinese?Yes,alittle.11.Thebook_bereturnedbeforeSaturday.12._Icomein?Yes,please.13.You_giveupsmokingatonce.Itsbadforyourhealth.14.Excuseme._Iaskyouaquestion?15._youtellmewherethestationis?16._Ifinishtheworknow?No,you_.You_doitthisevening.17.MayIuseyourdictionary?Sorry,you_.Iamusingitnow.,can,Can,must,May,must,May,Can,Must,neednt,can,cant,.,实义动词的一般现在时,什么时候用动词的原型？什么时候用动词的单三形式？观察下列图片，并得出结论。,研一研,重点,.,Thegirlapples.,Thesetwoboysapples.,eats,eat,说说看看,.,Mikebasketball.,Theboysbasketball.,plays,play,.,Xiaomeitoschool.,Wetwins,are,goes,.,ThatboyTV.,TimandhismotherTV.,watches,watch,.,Shegoingshopping.,Igoingshopping.,like,likes,.,1.如果主语是和I、we谓语动词不用做任何变化，即仍然用动词原形表示：,名词复数,第一人称,肯定句:主语+动词原形+其他,否定句:主语+dont+动词原形+其他,一般疑问句:Do+主语+动词原形+其他,例1)Weusuallygotoschoolat7:30.我们通常7:30上学去。go2)Myparentsgivetenyuantomysistereveryweek.我父母每星期给我妹妹十元钱。,.,2.主语是时，谓语动词要进行必要的变化。肯定句:主语+动词的第三人称单数+其他否定句:主语+doesnt+动词原形+其他一般疑问句:Does+主语+动词原形+其他肯定回答:Yes，主语+does否定回答:No，主语+doesnt特殊疑问句:特殊疑问词+一般疑问句,必要的，什么是第三人称单数呢？,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).BeijingisthecapitalofChina.北京是中国的首都.3).TeacherWuoftenmakescakesatherhome.王老师经常在家做蛋糕.,.,3.this/that/the/a/an+单数可数名词”作主语时,是第三人称单数.如:1).Agirlplaysthepianoatschool.2).Thisbookisyours.3).Thatcarisred.4).ThecatisLucys.,.,4.不可数名词或抽象名词作主语时,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.,.,5.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.,.,6.在某些特殊疑问句中，特殊疑问词做主语表单数含义,Howoldisshe?Whenisherbirther?Whoisyourmathteacher?Howmuchisthepen?Wheredoeshewanttogo?Whyisshe?,Whatsubjectdoesshelikebest?,.,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,.,4.元音字母+y结尾直接加s.如：plays,says,buys,.,5.以o结尾加-es.如：do-does,gogoes6.以不发音的子母-e结尾的直接加-s.如：likelikes,drive-drives7.特殊：are-is,have-has,注意：不要和名词的单复数混淆那么相应的问题赶紧讨论一下啦!,.,单数,复数,可数名词,如何变化？,规则变化,.,1.一般情况下,直接在名词词尾加-s.,2.以s,x,sh,ch结尾的名词,在词尾加-es.,3.以辅音字母加y结尾的名词，要变y为i再加-es.,5.以f或fe结尾的名词，先将f或fe变为v,再加-es.,6.以o结尾的名词,表示无生命事物的名词加-s,表示有生命事物的名词加-es。,4.以“元音字母+y”结尾的名词，直接在词尾加-s.,Sumup,.,写出下列动词的第三人称单数形式,workstudydrivewashwatchflyspellspeaksaylikedohave,worksstudiesdriveswasheswatchesfliesspellsspeakssayslikesdoeshas,练一练,.,给下列可数名词加复数,bird-card-lady-orange-ruler-photo-friend-boy-watch-girl-case-cat-wife-tree-key-bed-hero-family-dictionary-question-leaf-party-cup-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,.,行为动词的一般现在时肯定句：I/We/You/TheyIstayathomeonSaturdays.Theylikeplayingbasketball.He/She/ItHestaysathomeonSaturdays.Lucylikesplayingbasketball.否定句：I/We/You/TheyIdontstayathomeonSaturdays.Theydontlikeplayingbasketball.He/She/ItHedoesntstayathomeonSaturdays.Lucydoesntlikeplayingbasketball.,动词原形,单三,dont+动原,doesnt+动原,总结,.,一般疑问句：I/We/You/TheyDoyoustayathomeonSaturdays?Dotheylikeplayingbasketball?He/She/ItDoeshestayathomeonSaturdays?DoesLucylikeplayingbasketball?,特殊疑问句：I/We/You/TheyWhatdoesshedoathomeonSaturdays?Whatdotheylikedoing?He/She/ItWheredoeshegoonSaturdays?WhydoesLucylikePlayingbasketball?,.,一般现在时综合练习,Practicemakesperfect!孰能生巧,.,用动词的适当形式填空1.Weoften_(play)ontheplayground.2.He_(get)upatsixoclock.3._you_(brush)yourteetheverymorning?,play,gets,Do,brush,.,5.Danny_(study)English,Chinese,Maths,ScienceandArtatschool.6.Mikesometimes_(go)totheparkwithhissister.7.Ateightatnight,she_(watch)TVwithhisparents.8._Mike_(read)Englisheveryday?,studies,goes,watches,Does,read,.,9.Howmanylessons_yourclassmate_(have)onMonday?10.Whattime_hismother_(do)thehousework?,does,have,does,do,.,4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）5.IwatchTVeveryday.（改为一般疑问句）,DoessheliveinasmalltownNearNewYork?,DoyouwatchTVeveryday?,.,7.Wehavefourlessons.（改为一般疑问句,并作肯定回答）8.Mydogrunsfast.(一般疑问句并否定回答)：,Doyouhavefourlessons?Yes,wedo.,Doesyourdogrunfast?No,itdoesnt.,.,10.Mikehastwolettersforhim.一般疑问句：11.IusuallyplayfootballonFridayafternoon.一般疑问句:划线提问,DoesMikehavetwolettersforhim?,Doyouusuallyplayfootballon.?,WhatdoyouusuallydoonFridayafternoon.,.,12.SuYangusuallywashessomeclothesonSaturday.一般疑问句:划线提问:13.Mingmingusuallywaterstheflowerseveryday一般疑问句:划线提问：,DoesSuYangusuallywashanyclothesonSaturday?,WhatdoesSuYangususllydoonSaturday?,.,14.Tomdoeshishomeworkathome.一般疑问句:划线提问：,WhatdoesTomdoathome?,DoesTomdohishomeworkathome?,Whatdoyoudoeveryday?,.,对划线部分提问3.ItsWednesdaytoday.4.Hisfavouritesportisbasketball.5.MybrotherworksinShenzhen.6.OneofmyclassmatescomesfromAustralia.7.Lucyusuallygetsupat6:30inthemorning.,Whatdayisittoday?,Whatshisfavouritesport?,Wheredoesyourbrotherwork?,Wheredoesoneofyourclassmatescomefrom?,WhendoesLucygetupinthemorning?,.,Idomyhomework.(用He改写),Hedoeshishomework.,Shedoesherhomework.(用we改写),Wedoourhomework.,Tomdoeshishomework.(用they改写),Theydotheirhomewrk.,.,EX21.Tomoften_(get)upatsixinthemorning2.Theearth_(go)aroundthesun.3.Marysparent_(live)inBeijing.4.She_(draw)verywell.,gets,goes,lives,draws,继续加油Comeon!,.,Tomgoestoschooleverydaybybike.1.就Tom提问2.就goestoschool提问3.就bybike提问,1.Whogoestoschooleverydaybybike?,2.WhatdoesTomdoeverydaybybike?,3.HowdoesTomgotoschooleveryday?,.,Ex2.将下列句子变成其否定和一般疑问句并就斜体部分提问。1.ShecomesfromAmerica.2.Iusuallygotoschoolbybike.,DoesshecomefromAmerica?ShedoesntcomefromAmeica.Wheredoesshecomefrom?,Idontusuallygotoschoolbybike.Doyouusuallygotoschoolbybike?Howdoyouusuallygotoschool?,.,1._youhaveabook?ADoB.AreC.IsD.Have2.DoesLiLeiliketowatchTV?_.A.Yes,helike.B.No,hedoesnt.C.Yes,hedlike.D.No,helikes.3.Shedoesnt_herhomeworkintheafternoon.A.doingB.todoC.doesD.do4.How_Mr.Smith_toEngland?A.do,goB.is,goC.does,goD.does,goes,.,5._she_homeatsixeveryday?A.Is,leaveB.Does,leaveC.Is,leavesD.Does,left6.Iwant_homeworknow.A.doingB.todoC.todomyD.domy7.Itstime_.A.gotoschoolB.playgamesC.togohomeD.todomyhomeworks8_you_theblackboard?Yes,Ican.A.Can,cleanB.Am,cleaningC.Are,cleaningD.Do,clean9_goandhelpher.A.LetsmeB.LetsusC.LetsD.Letsto,.,10.Dotheyhaveanewcar?Yes,_.A.theyareB.theyhaveC.theydontD.theydo11.Heoften_supperat6:00intheevening.A.haveB.hasC.ishavingD.iseating12.Its6oclockinthemorning.Itstime_.A.getupB.getsupC.togetupD.getsup,.,13.ThestudentswillgototheSummerPalaceifit_tomorrow.A.dontrainB.doesntrainC.wontrainD.isntrain14.Thepicture_nice.A.looksB.islookedC.lookD.islooking,.,同学们在具体做题中我们也遇到了Some和anyAnd、or和butToo和either相互变换的形式呢？那么再次讨论一下，让我们强化强化它们吧！,研一研,.,some、any,一般说来，some用于肯定句中，any用于否定句和疑问句中。,改疑问句或否定句时，原句里的some要改成any,Therearesomebooksonthedesk.(改为否定句),Therearentanybooksonthedesk.,Arethereanybooksonthedesk?,.,Whynotbuysomeapples?为什么不买些苹果呢?Wouldyoulikesomemoreapples?你要不要再吃点苹果?,注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成any.,.,andor,变否定句时，and要变成or,Thereissomeairandwateronthemoon.,Thereisntanyairorwateronthemoon.,Hehassomebrothersandsisters.,Hedoesnthaveanybrothersors