Unit3TheEarthGrammar可数不可数名词therebe句型课件牛津深圳版英语七年级上册

Unit3GrammarProtecttheEarthThereisastudentontheplayground.Therearefourstudents

ontheplayground.Thereissomewaterinthebottle.Thereissomewatersinthebottle.Thereisawaterinthebottle.可数名词前面可加a/an或数字。可数名词可加-s，变为复数形式。不可数名词前面不可加a/an或数字。不可数名词只有单数，不可加-s。

f/fe结尾改为v再加-esleaf

→

leavesknife

→

kniveslife

→

liveswife→wives一般加-sdesk→

desks;boy→

boys

“辅音字母+y”改y为i再加-esstory

→

storiescity→

cities

辅音字母+o,加-es(有生命)/-s(无生命)potato

→

potatoestomato

→

tomatoeshero→

heroesphoto→

photos

x,s,ch,sh结尾加-esbox

→

boxes;bus→

buseswatch

→

watches可数名词单数→复数不规则变化单复同形Chinese,Japanese,sheep,deer,fish(“中⽇⼈⺠骑着⽺和⿅去吃⻥”)man

→

menwoman→

womenpoliceman→

policemenpolicewoman

→

policewomen

可数名词单数→复数改oo为eefoot→feetgoose→geesetooth→teeth其它child→childrenmousemice可数名词单数->复数集合名词people(≥2个人，不加-s)police

(≥2个警察，不加-s)apeople❌/apolice❌aperson✅/apolicemantwo

people

✅/twopolice

✅twoperson❌/twopoliceman❌two

persons✅

/

twopolicemen❌Youngpeoplelovespopmusic.❌Ourpoliceworkshardtoprotectthepeople.❌Manypeopleiswaitingoutside.❌可数名词单数->复数复合名词两位男学生two

boystudents两位女学生twogirlstudents两位男老师twomenteachers两位女老师twowomenteachers某个国家的人Chinese

(中国⼈)→___________Japanese(⽇本⼈)

→___________Englishman(英国⼈)

→___________Frenchman(法国⼈)

→___________German(德国⼈)

→___________American(美国人)→__________⼝诀：中⽇不变，英法变a为e，其它大部分加-s。ChineseJapaneseEnglishmenFrenchmenGermansAmericans

抽象/摸不着love,freedom,luck(运气),help,beautymusic,time液&气water,milk,wine,soup,rain,oilair,smoketraffic

(交通)

细小物rice,salt,sugar,sand,dirt,dust,

材质glass,paper,

gold,wood(木材)

某些食物foodbread,

cheese,肉类：meat,chicken,

pork,beef

英语中不可数work,

homework,houseworkinformation,news(新闻，消息),money,

furniture(家具),weather(天气)常见的不可数名词Practice1.

Therearethree__________andseven__________onthegrasslandcows,sheepsB.cows,sheepC.cow,sheepD.cow,sheeps.()2.Therearesome______waitingoutside. A.German B.American C.Englishman D.Japanesea/an/数词+量词+不可数名词例：apieceofbread一片面包例：twopiecesofbread两片面包量词：piece(条，片)，glass（玻璃杯），cup（杯），bottle（瓶），box（盒）

既可做可数名词，也可做不可数名词work表“工作”不可数，表“作品;著作”可数。Ihavereadmanyworks

ofofLuXuntime表“时间”不可数，表“一段时间；时代”等时可数。e.g.,IhadagoodtimeduringtheNationalHoliday.chicken表“鸡肉”不可数，表“鸡”时可数。SomepeopleinHefengkeep

chickensintheiryard(院子).不可数名词也有“可数”时Trytodescribethemusingthesequantifiers(量词).bottle/milkbox/eggbowl/riceglass/waterExercise1.Thereismuch______(bread).2.Iwanttohavetwo______(cup)oftea.3.Helikestoeatsome_____(rice).4.How_____(many/much)applesarethere?6.How_____(many/much)timedowehave?breadcupsricemuchmanyExercise

()1.Howmany______wouldyoulike? A.paper B.bread C.piecesofpapers D.piecesofbread()2.YesterdayIwenttothesupermarketandboughtalotof______. A.tomatoes B.potatos C.vegetable D.meats

Exercise3.Thereare______and______onthetable.A.twoboxesapples;fourbottleoforangesB.twoboxesapples;fourbottleoforangeC.twoboxesofapples;fourbottlesoforangeD.twoboxofapples;fourbottlesoforangesThere

be

…e.g.Thereare

1600students

inourschool

thisyear.有某人/物（在某地）（在某个时间）课室里有5个学生。Therehave5studentsintheclassroom.

❌

❌

❌Thereare5studentsintheclassroom.

✅Common

mistakesTheEarthisabeautifulplace.There____forestsandrivers,mountainsandfields.Someplacesareveryhot,andsomeareverycold.There_____manydifferentplants.Somearelarge.Somearesmall.Allplantsneedlightandwater.There____differentanimalsonEarthtoo.Someliveontheland.Someflyinthesky.Someliveunderthewater.There____alsomanypeoplelikeyouandmeonEarth.TheEarthprovidesuswithair,waterand

food.Itisourhome.Today,there____alotofpollution.Weburnthingstomakeenergy.Thispollutestheair.Weputourrubbishintotheseaandundertheground.ThispollutestheEarthandkillsanimalsandplants.Wemuststopdoingthesethings.ItisimportantforustoprotecttheEarthforourfuture.areareareareisThereare+可数名词复数Thereis+不可数名词/可数名词单数Therearefourapplesonthetable.There

isalotofwateronEarth.Thereisanappleonthetable.There_____manypeopleintheclassroom.There_____policenearourschool.“There

is…”

or“Thereare…”

areare床底下有一只猫。Thereisacatonthebed.床底下有一只猫吗？Isthereacatunderthebed?肯定回答：Yes,thereis.否定回答：No,thereisn't.一般疑问句：Isthere…/Arethere….

肯定回答：Yes,thereis./Yes,thereare.否定回答：No,thereisn’t./No,therearen’t.There

be

…一般疑问句和回答(p.37)课室里有一些学生。Therearesomestudentsintheclassroom.课室里有学生吗？Arethereanystudentsintheclassroom?肯定回答：Yes,thereare.否定回答：No,therearen’t.Jane:(1)__________pollutioninthesea.Whatcanwedotohelpprotectthesea?Danny:(2)___________manythingswecando.Wecanhaveabeachclean-upday.Yousee,(3)___________alwaysmanybottlesonthebeaches.Theypollutethesea.Jane:That’sagoodidea!Whatelsecanwedo?Danny:Wecanaskpeoplenottoeatsharkfinsoup.(4)_________aseafoodrestaurantnearyourhome?Jane:No,(5)______________.(6)____________anyotherthingswecandotohelp?ThereisTherearethereareIstherethereisn’tArethereCompletetheirconversationwith

thereis(not),isthere,

thereareorarethere.

BP37地球上多少水？HowmuchwateristhereonEarth?地球上有多少动物？HowmanyanimalsarethereonEarth?Howmany…用于提问可数名词数量Howmuch…用于提问不可数名词数量There

be

…的特殊疑问句There___wateranddifferentplantsonEarth.There____differentplantsandwateronEarth.Thereis/areXandY,看X不看Y。There

be

…的就近原则isarePractice根据句意和括号内提示，用be动词的适当形式填空。1.There______fourseasonsinayear.2.There______abasketballunderthebed.3.There______(not)anystampsontheenvelope(信封).4.There______threeglassesofwateronthetable.6.There______lotsofapplesinthefridge.7.There______lotsofapplejuiceinthefridge.8.______thereanybirdsinthetree?9.There______toomanystudentsintheplayground.10.There______sometomatoesandbeefinthefridge.11.There______somebeefandintomatoesthefridge.12.--______thereany

restaurants