2023学年完整公开课版Unit3TheEarth（Grammar）

Unit3TheEarthGrammarCountableanduncountablenounsUsingthereis/are

A

Countable&uncountablenounsNouns名词一、概念名词:表示人、事物、地点的名称或者抽象概念的词。

Nouns名词二、分类

根据数的变化分为可数名词和不可数名词。

1.可数名词是可以用来计数的名词。可数名词有单数和复数形式。

2.不可数名词是不可以直接用来计数的名词。不可数名一般没有复数形式，只有单数形式。

如：desk—desks,

apple—apples等。如：somebread，alittlemilk等。InEnglish,wecan

countthesethings:applescakesbowlscupsWecannot

countthesethings:ricewaterCountablenounsapplescakesbowlscupsUncountablenounsricewaterReadthesentencesonP35andworkouttherule:☆________nounscanhaveplurals.☆Wecanuseaoranbefore________nouns.☆Uncountablenounsonlytake________verbs.CountablecountablesingularA1Readthesentencesanddecidewhetherthenounsinitalicsarecountableoruncountable.UncountablegrassrubbishairwaterCountableforestrivermountainflowerphotoglass可数名词和不可数名词前都可以用some,any,alotof,lotsof

等来修饰，表示“一些，许多”。如：

Therearesomeorangesonthedesk.桌子上有一些桔子。

Thereisalotofwaterinthebottle.瓶里有许多水。

相似之处帮你归纳：条件变化形式例词

可数名词单数变复数变化规则一般情况以s,x,sh,ch

,部分辅音字母+o结尾以辅音字母+y

结尾以f或fe结尾+s+es改y为i,+es改f/fe为v,+esbooks

,maps,workers,mouthsbus-buses,box-boxes,brush-brushes,match-matchesbaby-babies

,city-cities

tomato-tomatoes,potato-potatoes特殊：photo-photos

wolf-wolvesleaf-leavesknife-knives

1.规则变化2.不规则变化变化形式列词改变元音字母直接加-sman-men,woman-women,foot-feet,tooth-teethGerman-GermansAmerican-Americans

单复数同形people-people,sheep-sheep,Chinese-Chinesechild-children词尾变化通常为复数形式clothes,trousers,glasses(眼镜)，shoes帮你归纳：可数名词单数变复数变化规则1.boy_______2.people_______3.leaf________

4.zoo_______5.tomato_______

6.foot_______7.eye_______8.dress________

9.wife________10.match_______11.library______12.family_______13.wish_______

14.photo______

15.German________17.Chinese_________18.day_______19.dictionary_________

20.kilo_______快速练兵写出下列名词的复数形式boyspeopleleaveszoostomatoesfeetdresseslibrariesmatcheswisheseyesfamilieswivesphotosGermansChinesedaysdictionarieskilos二.不可数名词

肉类、饮料、纸张,面包等一般是不可数的，通常只有单数形式。meatporkchickenbeefwatermilkjuicebread想一想我们能讲ameat,twomilks,fivewaters吗？

想一想：

我们还学过哪些表示单位的词？不可数名词前不能用不定冠词a/an,

数词及many来修饰。答疑解惑不可数名词前通常用“单位词+of”来表示数量。如：apieceofpaper一张纸threepiecesofbread三片面包杯瓶袋盒/箱张/片双/对cupbottlebagboxpiecepair一杯二瓶三袋四盒/箱五张/片六双/对acupoftwobottlesofthreebags

offourboxesoffivepiecesofsixpairsof这些表示量的名词一般是可数的，有复数形式。知识拓展难题解决1．两杯牛奶______________________2.五片面包______________________3.六双鞋______________________4.四张纸______________________5.七杯茶______________________（一）翻译下列词组twocupsofmilkfivebagsofricesixpairsofshoesfourpiecesofpapersevencupsoftea1.bottle/milk abottleofmilk twobottlesofmilk2.box/egg aboxofeggs twoboxesofeggs3.bowl/rice abowlofrice twobowlsofrice4.glass/water aglassofwater twoglassesofwater5.bag/apple abagofapples twobagsofapples6.cup/coffee acupofcoffee twocupsofcoffee

bottle/milkbox/eggbowl/rice

glass/waterbag/applecup/coffee123456S1:What’sthis?S2:It’sabottle.S1:What’sinsideit?S2:Somemilk.S1:Whatarethese?S2:They’reboxes.S1:What’sinsidethem?S2:Someeggs.A2

Inpairs,askandanswerquestionsabouteachphoto.Followtheexample.What'sontheplayground?Thereis____________ontheplayground.abasketballWhat'sinthegym?Thereis________inthegym.apigWhat'sontheshelves?Thereare___________ontheshelves.somebooksWhat'sinthelivingroom?Thereare__________inthelivingroom.threedogsTherebe的结构Thereisabasketballontheplayground.Thereispiginthegym.Therearethreebooksontheshelves.Therearethreedogsinthelivingroom.归纳Therebe的结构：_____+________+_____+_________.Therebe(is/are)主语地点状语be动词的用法1Thereis

somemilkintheglass.2Thereare

someflowersonyourdesk.3Thereare

manystudentsandaP.E.teacherinthegym.4Thereis

aP.E.teacherandmanystudentsinthegym.总结：be动词遵循_____________原则。就近原则5There_____aboxofpensnearthebooks.6There_____fourcupsofteaonthetable.6There____apenandsomebooksonthedesk.7There____somebooksandapenonthedesk.isareisare否定句观察：1Thereisn’tateacherormanystudentsinthelibrary.2Therearen’tanybooksinthelibrary.总结therebe的否定句结构__________________________________如果句中有some，要变成________.and变为__________There+be(is/are)+not+主语+地点状语anyor一般疑问句观察：1Isthereapiginthegym?Yes,thereis.No,thereisn’t2Aretherethreedogsinthelivingroom?Yes,thereareNo,therearen’t总结therebe的一般疑问句的结构：______________________________________肯定回答：____________________________否定回答：____________________________Be(Is/Are)+there+主语+地点状语?Yes,thereis/are.No,thereisn’t/aren’t.Thereisabird

inthesky.Isthereabird

inthesky?Yes,thereis.planeNo,thereisn’t.

Isthere

aboy

intheswimmingpool?Yes,thereis.boatNo,thereisn’t.Therebe句型的三个考点1be动词的用法

There______ateacherandmanystudentsontheplayground.AisBareCamDbeThere______somemilk,somemoneyandsomeapplesonthedesk.AisBareCamDbeThere______abook,apenandalamponthedesk.AisBareCamDbe2与have/has区分

Ihavemanyfriends.Therearesomebooksonthedesk.Myfatherhasacar.Thereisaclockinourclassroom.Mydoghastwoears.Thereisaclockand50studentsintheclassroom.have/has表示______________________therebe表示______________________考题：There______atreeandsomeflowersinthegarden.AhasBisChaveDare记忆小窍门：________________________某处存在某物或某人，不强调物归谁所有某人拥有某人或某物，强调所有拥有关系therebe比喻为天生一对公婆；have/has比喻为小三，have/has小三不能插足。3Therebe的特殊疑问句。-What_____onthedesk?-Therearesomebooksandalampo