Unit3GrammarCountablenouns课件仁爱科普版英语七年级上册

Unit3OurColorfulSchoolLifePreparingfortheTopicListening&SpeakingBigQuestions:Whatisyourschoollifelike?Inthisunit,youwilllearnto:introduceyourschoollife.understandtheschoollifeindifferentcultures.useathinkingmaptoidentifythemainideaanddetails.usethereadingstrategyofscanningdesignawebpageofyourschool.ExploringtheTopicGrammarinUseUnit3OurColorfulSchoolLifeLookatmydesk.Whatcanyousee?Ihaveaneraseranapplearuleracapapencilaschoolbag2bottles3keys

名词aneraseranapplearuleracapapencilaschoolbag2bottles3keys名词：用于表示人、事物、地点或抽象概念的名称。缩写为n.名词

名词的分类•

表示国家、人名、地名、组织、月份、星期等专有名称。•

首字母要大写。

如：China,

Beijing,

English,March,

Sunday

等名词专有名词普通名词可数名词不可数名词个体名词。如：girl,lake,book集体名词。如：family,class,

people物质名词。如：milk,rice,bread抽象名词。如：news,weather可数名词aneraseranapplearuleracapapencilaschoolbag2bottles3keys可数名词单数复数区别

a和

anItisanapple.aneraser.anideaanorange.anumbrellaItisapencil.aTV.acap.aCD.aruler.小组讨论：什么时候用a,什么时候用an?Itisanapple.

aneraser.

anidea

anorange.

anumbrellaItisapen.

aTV.

acap.

aCD.

aruler.Tips:/pen//ˌti:ˈvi://kæp//si:ˈdi://ˈruːlər//'æpl//ɪˈreɪsər//aɪˈdiːə//ˈɒrɪndʒ//ʌmˈbrelə/区别

a和

an区别

a和

ana&an区别相同点：不定冠词a/an都表数量一，用在单数可数名词前。区别：看发音a用在（辅音音素开头）的单词或字母前。

如：abook，adesk，agoodboyan用在（元音音素开头）的单词或字母前。

如：anegg，anapple，an“f”，anorange一般情况下，a用在辅音字母之前，an用在元音字母(a,e,i,o,u)之前小窍门：区别

a和

anaanapplebookpenorangeBs

观察可数名词单数变复数规则-

Whatisthis?-It’s_________.-

Whatarethese?-Theyare__________.abook4booksanapple-

Whatisthis?-It’s_________.-

Whatarethese?-Theyare__________.3apples1.一般直接在词尾加s

观察可数名词单数变复数规则abox4boxes2busesabusa

watch2watchesa

dish3dishes2.以s,x,ch,sh结尾，加es

观察可数名词单数变复数规则a

baby2babiesa

key2keysa

boy2boysa

family2families3.辅音字母+y结尾，变y为i

，加es1.一般直接在词尾加s

观察可数名词单数变复数规则a

leaf3leaves4.以f/fe结尾的词，变

f/fe为

v+

esa

knife3knives

观察可数名词单数变复数规则a

photo2photosa

tomato4tomatoesa

piano2pianosa

potato2potatoesa

hero2heroes物品，无生命植物/人，生命5.以o结尾，有生命

+

es

无生命

+

s可数名词单数变复数规则1.一般直接在词尾加-s2.

以-s,-x,-ch,-sh结尾，加-es3.

辅音字母+y结尾，变y为i

+

es4.

以f/fe结尾的词，变f/fe为v+

es5.

以o结尾，有生命+es无生命+s

不规则变化child—childrenwoman—womenman—mentooth—teethgoose—geesefoot—feet

其他特殊情况1.单复数形式相同【巧记口诀：中日鹿鱼羊】中国人Chinese—Chinese

日本人Japanese—Japanese鹿deer—deer

鱼fish—fish

羊sheep—sheep2.只有复数形式的名词trousers裤子

pants裤子

shorts短裤

glasses眼镜

Activity1Lookat

thepicturesandreadthesentences.

Payattentiontothenounsinbold.Mysisterlikesreadingbooks.Therearetwoboxes

intheboy’shands.Therearethreeschoolbuses

inourschool.Myartteacherlikestakingphotos.Wehavemanydifferentschoolactivities.Therearetwoknives

onthetable.Activity2Thinkabouttherulesof

pluralformsofthecountablenounsandcompletethetable.SingularwatchglassdishtomatotoycountryhalfPluralwatchesglassestoysdishestomatoescountries以-s,-x,-ch,-sh结尾，加-es辅音字母

+y

结尾，变y为i

+

es以

f/fe

结尾的词，变f/fe为v+

es以o结尾，有生命

+es无生命+shalves

微课学习Exercise一、写出下列名词的复数形式。1.book

2.

dress

3.box

4.

watch

5.

dish

6.library

7.knife

8.fish

9.

tomato

10.

photo

11.woman

12.house

booksdressesboxeswatchesdisheslibrariesknivesfishestomatoesphotoswomenhousesExercise二、填入所给名词的适当形式。1.Thereareseven__________(sheep).2.Myunclehastwo__________(child).3.Therearetwo

__________

(knife)onthetable.4.The

__________

(leaf)ofmosttreeswillfallinautumn.5.Myfavoritefoodis

____________

(sandwich).sheepchildrenknivesleavessandwichesLet’smeetanewfriend.ThisisMike.HeisfromAmerica.WhatisschoollifelikeinAmerica?Let’sread!Activity3Readthetextandtick

(

√

)

thecorrectwords.

MikeisanAmericanboy.AtanAmericanschool,(student/students)meettheirclassteacheratthestartofthe(day/days).Duringtheday,theygotodifferent(classsroom/classrooms)fordifferentsubjects.Afterschool.theytakepartintheclub(activity/activities).Mikeisinthescience(club/clubs).Attheclub,hemakes(friends/friend)withstudentsfromAmericaandother(country/countries).Readandunderstand

MikeisanAmericanboy.AtanAmericanschool,students

meettheirclassteacheratthestartofthe

day

.Duringtheday,theygotodifferent

classrooms

fordifferentsubjects.Afterschool.theytakepartintheclub

activities.Mikeisinthescience

club.Attheclub,hemakes

friends

withstudentsfromAmericaandother

countries.America:n.

美国(特指国家)American:adj.

美国的n.美国人

她是一个美国女孩。_______________________Sheisan

American

girl.Readandunderstand

MikeisanAmericanboy.AtanAmericanschool,students

meettheirclassteacheratthestartofthe

day

.Duringtheday,theygotodifferent

classrooms

fordifferentsubjects.Afterschool.theytakepartintheclub

activities.Mikeisinthescience

club.Attheclub,hemakes

friends

withstudentsfromAmericaandother

countries.differentsame前后问题the＼单复我们在同一个年级，但是不在一个班。译：Wearein________________,butin__________________.thesamegradedifferentclassesReadandunderstand

MikeisanAmericanboy.Athismiddleschool,

thingsaredifferentfromthoseinChina.

At

thestartofaschoolday,

students

gatherwithahomeroomteacher.Theyarenotalwaysinthesameclassroom,

andtheygotodifferentclassroomsfordifferent

subjects.Afterschool,therearesomeactivities,

andMikejoinsthemusicclub.

Attheclub,

hemakes

friends

withbothAmerican