Unit 3The EarthGrammarCountable and Uncountable Nouns

Unit3TheEarth,Grammar,CountableandUncountableNouns,Tolearntheuseofcountableanduncountablenouns2.Tolearntheuseofthepattern:Thereis/are,Objectives,语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。,Countableanduncountablenouns,1.TheEarthisabeautifulplace.2.Whataretheblueparts?3.Someplacesareveryhot.4.Allplantsneedlightandwater.5.ThispollutestheEarthandkillsanimalsandplants.6.TheEarthprovidesuswithair,waterandfood.,countablenouns可数名词,uncountablenouns不可数名词,1.TheEarthisabeautiful_(place).2.Whataretheblue_(part)?3.Someplaces_(be)veryhot.4.Allplantsneed_(light)and_(water).5.This_(pollute)theEarthandkills_(animal)and_(plant).6.TheEarth_(provide)uswithair,waterandfood.,place,parts,are,light,water,pollutes,animals,plants,provides,go,Ready?,以上我们已经通过归纳总结对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。,可数名词和不可数名词,可数名词(1)定义:表示具体个别存在的事物或物质。(2)可数名词前可以用a,an限定,表示一个。(3)可数名词前可以用one,two,three,some等限定。(4)可数名词有复数形式。,可数名词复数形式的规则变化：,child-childrenwoman-womenman-menfoot-feettooth-teeth,Japanese-JapaneseChinese-Chinesesheep-sheep,有些单词单复数同形。,有些名词的复数变化是不规则的。,不可数名词(1)定义:是指不能个别存在的事物或物质，例如water,milk等。(2)不可数名词前不可以用a,an限定。(3)不可数名词前不可以用one,two,three,some等限定。(4)不可数名词没有复数形式。,不可数名词量的表达,1.用some修饰不可数名词。表示量的多少。,例如：abottleoforange,twopiecesofmeat,2.用数量词+of+不可数名词，表示具体的量。常用的词有cup,glass,bottle,piece等。,例如：sometea,somebread,somemeat,既可数又不可数名词,(1)achickenchicken(2)anicecreamicecream(3)asaladsalad,可数名词与不可数名词在一定条件下可以转化。很多表示蔬菜、动物等的名词,一般来说是可数的,但是表示餐桌上的食品时,就转换为不可数名词。,一只鸡鸡肉一个冰淇淋冰淇淋(指成份)一碟沙拉沙拉(指成份),Thisisafridge(冰箱).Whatsinthefridge?(猜猜冰箱里有什么?),Practice,cookies,Saythewordsout.,icecream,Frenchfries,oranges,bananas,strawberries,salad,pears,tomatoes,hamburgers,Readthesentencesbelowanddecidewhetherthenounsinitalicsarecountableoruncountable.Writethewordsinthecorrectcolumns.,1Thereisgrassinaforest.2Donotthrowrubbishintotheriver.3Theairisfreshinthemountains.4Theflowersarebeautiful.Letmetakeaphoto.5Weshoulddrinkwatereveryday.Hereisaglassforyou.,forest,river,mountains,flowers,photo,glass,grass,rubbish,air,water,A1,P35,Observethepicturesandtrytodescribethemusingthewordsinthebox.,bottle/milk,box/egg,bowl/rice,glass/water,bag/apple,cup/coffee,量词,Eg.abottleofmilkthreebottlesofmilk,A2,Inpairs,askandanswerquestionsabouteachphoto.Followtheexample.,S1:Whatsthis?S2:Itsabottle.S1:Whatsinsideit?S2:Somemilk.S1:Whatarethese?S2:Theyreboxes.S1:Whatsinsidethem?S2:Someeggs.,P36,Youareinafastfoodrestaurantnow.Youaregoingtoordersomething.UseIwant,Iwouldliketomakeorders.,Iwantabowlofsalad.Idlikeahamburger.,Task,Usingthereis/are,1.Thereisabeautifulworldunderthewater.2.ThereisalotofpollutiononEarth.3.Isthereanywaterintheglass?Yes,thereis./No,thereisnt.4.TherearedifferentplantsandanimalsonEarth.5.Aretherefiveapplesinthebag?Yes,thereare./No,therearent.,1._abeautifulworldunderthewater.2._alotofpollutiononEarth.3._anywaterintheglass?Yes,thereis.4._differentplantsandanimalsonEarth.5.Aretherefiveapplesinthebag?No,_.,Thereis,Thereare,Isthere,Thereare,therearent,go,Ready?,Therebe的用法,Therebe句型可以表达“某处有某人(物)”这类概念。,请看例句：1.Thereisanappleonthedesk.2.Therearemanystudentsontheplayground.3.Thereisstillsomewaterinthecup.,Thereis/are某物人地点.,Therebe的句型结构为：,1.Thereisntacomputeronthedesk.2.Isthereacomputeronthedesk?Yes,thereis./No,thereisnt.3.Therearentanystudentsontheplayground.4.Arethereanystudentsontheplayground?Yes,thereare./No,therearent.,观察以下的句子，推测therebe句型的否定和疑问形式。,肯定句:Thereis/are+人/物+地点,构成:,否定句:Thereisnt/arent+人/物+地点,一般疑问句:Is/Arethere+人/物+地点?,Yes,thereis/are.,No,thereisnt/arent.,Therebe句型,Therebe句型的变化形式与be的变化形式相似。,注意:,therebe结构中动词be在人称和数上应与其后的主语保持一致。主语是不可数名词或可数名词的单数形式时，动词be用_；若为可数名词的复数形式时，动词be用_。,例如：Thereisaglassofwaterandthreeapplesonthetable.Therearethreeapplesandaglassofwateronthetable.,is,are,Therearethreebirdsinthetree.,Thereisacatunderthetree.,Describethepictureswiththesentencepatternbelow:,Thereis/are_onthetable.,Therearetwobirdsandacatinfrontofthehouse.,Thereisacatandtwobirdsinfrontofthehouse.,Describethepictureswiththesentencepatternbelow:,Thereis/are_onthetable.,Describethepictureswiththesentencepatternbelow:,Thereis/are_onthetable.,Jane:(1)_pollutioninthesea.Whatcanwedotohelpprotectthesea?Danny:(2)_manythingswecando.Wecanhaveabeachclean-upday.Yousee,(3)_alwaysmanybottlesonthebeaches.Theypollutethesea.Jane:Thatsagoodidea!Whatelsecanwedo?Danny:Wecanaskpeoplenottoeatsharkfinsoup.(4)_aseafoodrestaurantnearyourhome?Jane:No,(5)_.(6)_anyotherthingswecandotohelp?,Thereis,Thereare,Thereare,Isthere,thereisnt,Arethere,Completetheirconversationwiththereis(not),isthere,thereareorarethere.,B,P37,Summary,(Countable/Uncountable)nounscanhaveplurals.Wecanuseaoranbefore(countable/uncountable)nouns.Uncountablenounsonlytake(singular/plural)verbs.,Weuse_withasingularnounoranuncountablenoun.Weuse_withapluralnoun.,thereis,thereare,注：另附word文档，点此链接,1.Wouldyoulikesome_?No,thanks.Imnothungryatall.A.waterB.soupC.orangeD.bread2.Imsohungry.Pleasegiveme_toeat.A.threebreadB.threepiecesofbreadC.threepiecesofbreads,I.MultipleChoice,3.AfterP.E.,Ioftenfeelverythirsty.Whynotbuysome_todrink?A.breadB.noodlesC.applejuiceD.teas,4.Mum,itssohot.CouldIhavesome_?hamburgersB.breadC.ice-cream,1.orange(复数)2.banana(复数)3.photo(复数)4.family(复数)5.bus(复数)6.watch(复数)7.woman(复数)8.child(复数),oranges,bananas,photos,families,buses,watches,women,children,II.Writedownthewordspluralforms.,III.Translatethephrases.1.一个鸡蛋2.一些水果3.三个胡萝卜4.anapple5.somevegetables6.icecream,anegg,somefruits,threecarrots,一个苹果,一些蔬菜,冰激凌,1.There_apencilin