Unit5Grammar(p8283)课件仁爱英语七年级上册

Unit5LoveMotherNature!Inthisunit,youwilllearnto:●talkaboutnature.●enjoythebeautyofdifferentnaturalplaces.●useacharttocompareandcontrast.●usepicturecluestoguessthemeaningofnewwords.●makeaclassbookletaboutnature.BigQuestions:Whatcanwefindinnature?Unit5LoveMotherNature!ExploringtheTopicGrammarinUseLearningObjectives通过本课的学习，学生能够:1.在上下文情境中理解冠词和情态动词can的形式，含义及用法；2.运用语法知识描述四季的特点及动物的技能；3.树立人与自然和谐共生的意识。Thisisourplane-Earth.WesharetheEarthwithdifferentanimalsandplants.Let'slookatsomeanimals.Doyouknowtheirnames?anantanelephantanowlacatapandaabearWhat'sthis?Whatcoloraretheanimals?anantanelephantanowlTheantisred.Theelephantisgray.Theowlisbrown.acatapandaabearThecatisgray.Thepandaisblackandwhite.Thebearisbrown.Weusea,anandthebeforethenouns.anantanelephantanowlTheantisred.Theelephantisgray.Theowlisbrown.acatapandaabearThecatisgray.Thepandaisblackandwhite.Thebearisbrown.冠词

1.冠词的定义：

冠词是一种虚词，常放在名词前面，用来说明名词所指的人或事物。表示“个、一个”，或者表示“这个、那个”

冠词本身不能单独使用，在句子中一般不重读。冠词

anant一只蚂蚁theant这只蚂蚁acat一只猫thecat这只猫定冠词零冠词不定冠词213冠词2.冠词的分类：冠词

a/anthe没有冠词不定冠词

不定冠词a/an不定冠词a/an用于可数名词单数前，表示泛指某一类事物中的“一个”。anappleaneggatreeaflower观察a和an的区别anappleanegganorangeanice-creamanumbrellaabookacakeamonkeyadogasharkTipsanappleanegganorangeanice-creamanumbrellaabookacakeamonkeyadogashark

元音字母前用an?区别不定冠词a和an看发音a

用在辅音音素开头的单词或字母前。an用在元音音素开头的单词或字母前。小窍门：

遇到不会读的单词时，

·a用在辅音之前，

·an用在元音(a,e,i,o,u)之前填一填_____desert _____animal _____hill _____elephant_____house _____window _____egg _____orange_____effort _____result _____point aanaanaaanananaa如：anumbrellaanuncleanuglygirlanunhappyboy

auniversity

auniformaunitausefulbook

发_________用_____（a/an）发_________用_____（a/an）注意/ju://ʌ/aan

记住看发音！！！不定冠词a/an的用法

1.

表示数量，含有“一”的意思。Ihaveadog.我有一只狗。2.表泛指，首次提到的一个人或物。Thereisagirloverthere.Sheishappy.那边有个女孩，她很开心。3.用在单数可数名词前表示这一类别，此时a/an可以不用翻译。Acatisakindofpet.猫是一种宠物。4.指某人或某物，但不具体指明哪个人或物。Agirliswaitingforyou.有个女孩在等你。5.用于固定搭配中：alittle一点儿 alotof许多 afew几个Activity2

Completethetablewithproperarticles.Indefinitearticlesa_____cow_____desk_____book_____helpfulbook1.Thereis_____newplantonthetable.2.Thelakeishardtofind.Youcantake_____mapwithyou.an_____egg_____oldman_____hour_____apple1.Thisis_____elephant.2.It’s_____interestingfilm.It’saboutanimals.aaaaaaanananananan定冠词

1.不论是单数名词还是复数名词，也不论是可数名词还是不可数名词，其前均可用定冠词the。2.目的是对名词做个记号，表“特指”，译为“这个，那个，这些，那些”。定冠词thethe+单数名词+复数名词+不可数名词特指“这个.../那个...”特指“这些.../那些...”特指“这.../那...”定冠词the的用法1.

特指某(些)人或某(些)事物。

Thebagonthedeskismine.

桌子上的书包是我的。2.指双方都知道的人或事物。

Howmuchisthebasketball?

这个篮球多少钱?3.指上文提过的人或事物。

Iboughtabookyesterday.Thebookisabouthistory.

昨天我买了一本书，这本书是关于历史的。4.用在世界上独一无二的事物前。

Thesunisbiggerthanthemoon.

太阳比月亮大。5.用于西洋乐器前，表示“弹奏…乐器”playtheviolin拉小提琴 playtheguitar弹吉他

Activity2

Completethetablewithproperarticles.Definitearticlesthe1._____pandaoverthereisHuahua.2.Therearemanystarsin_____sky.3.Iamreadingabook._____bookisaboutnature.4.Ilikeplaying_____guitar.Itmakesmefeelhappy.ThetheThethe名词是秃子，需要戴帽子；可数名词单，需用a和an;辅音前用a,元音前用an;若为特指时，要用定冠the;碰到代词时，冠词均不现。冠词用法口诀拓展-零冠词

零冠词的用法1.

球类运动和棋类游戏前不用冠词。

playfootball踢足球 playbasketball打篮球

playsoccer踢足球

playchess 下棋2.表示星期几、月份、季节等名词前，一般不用冠词。

Mondayistheseconddayofaweek.星期一是一周的第二天。

Ilikespringbest.

我最喜欢春天这个季节。3.表示抽象概括意义时，不可数名词和复数名词前不用冠词。

Booksaremybestfriends.书是我的好朋友。4.一日三餐前不用冠词。

It'stimetohavelunchnow.

现在是该吃午饭的时间了。5.抽象名词、专有名词和物质名词前一般不用冠词。

Manneedsairandwater.人类需要空气和水。

Let'sdosome

exercises!Fillintheblankswitha,anortheaccordingtothepictures.—Whatcanyouseeinthepicture?—Icansee____plant.____plantneedsthreethingstogrow:sunlight,soilandwater.AaFillintheblankswitha,anortheaccordingtothepictures.—Whatcanyouseeinthepicture?—Icansee____eggand____ball.

_______eggissmall,but______ballisbig.anaThethe指上文提过的蛋Fillintheblankswitha,anortheaccordingtothepictures.—Whatcanyouseeinthepicture?—Icansee____manislookingat____picturesaboutnature.Helikes____pictures.athethe指上文提过的画特指那幅画二、用恰当的冠词填空1.

Thereis____footballand____basketballontheplayground.2.

Thatis____apple.3.

Thisis____interestingmovie.4.

Doyousee______treeoverthere?5.

Smallwindowsindesertskeepout

_____sun.6.

I'mdoingmyhomework.________homeworkisaboutrainforests.7.

Sheplays_____guitareveryday.8.Heplays_____soccereveryday.aaananthetheThethe

不填Activity3

Readthetextandfillintheblankswitha,an,orthe.a/thea/thetheananaTalkaboutfourseasonsinyourhometown.Wecan

flyakiteinspring.Wecanhaveapicnicinfall.Whatcanyoudoinspring/summer/fall/winter?Wecangoskiinginwinter.Wecangoswimminginsummer.can/can’t

情态动词

can

的用法1.can:表示能力，意为“

能、会

”。Icanplaytheguitar.我会弹吉他。

Hecanswim.他会游泳。观察1.I

can

playchess.2.You

can

sing.3.He

can

runfast.4.She

can

paintwell.5.We

can

readwithfeeling.6.They

can

speakEnglish.但can没有变注意1：can没有人称和数的变化人称和数变化了观察1.I

can

playchess.2.You

can

sing.3.He

can

runfast.4.She

can

paintwell.5.We

can

readwithfeeling.6.They

can

speakEnglish.注意2：can后面＋动词原形

Lookatthepicturesandreadthesentences.Payattentiontothemodalverbcananditsnegativeformcan’t.can

变否定方法：直接在can后加not，可缩写成can't.观察can的否定句观察can的一般疑问句1.He

can

runfast.2.She

can

singwell.3.They

can

playsoccer.肯定句1.Canherunfast?Yes,Ican./No,hecan’t.2.Canshesingwell?Yes,shecan./No,shecan’t.3.Cantheyplaysoccer?Yes,theycan./No,theycan’t.一般疑问句can

变一般疑问句的方法：将can提到句首。肯定回答：Yes,sbcan.否定回答：No,sbcan’t找出下列句子的错误并改正。1.Lucycanssing.2.Tomcansingswell.3.Theycanplaystheguitar.4.Theboycanreadswithfeeling.cansingplayreadActivity2

Completethetable.Can/Can’t1.Canpinetreesgrowverytall?Yes,theycan.2.Canasharkswim?_____,it_____.Butitcan’tclimb.3.Canbutterfliesjump?_____,they_____.Butthey_____climb.4.Canaduckfly?_____,it_____.Butit_____flyveryhigh.5.Plantsandanimals______livetogetherinnature.YescanNocan’tcanYescancan’tcanActivity2

Askandanswerquestionsinpairs.看微课，理解can的用法完成

can的思维导图can定义注意变句型表示：____________________________can没有______________can后加______________变否定句：________________________变一般疑问句：____________________能力，意为“

能、会

”人称和数的变化动词原形直接在can后加not，可缩写成can't将can提到句首Activity3Readthetextandfillintheblankswithcan

orcan’t.can’tcancancancan’tcanActivity3CompletethepandaMenglan’snamecard.Name:_________________Ability:___________________________________________________Tipsforvisitors:_______________________MenglancanclimbhighcanplaywithhistoyscanunderstandhisnameCANNOTfeedorgoverynearhimActivity3Introducethepandatothetouristsaccordingtoit.Let'sdosome

exercises!1.Tomcanplayping

pong.（改为否定句）

___________________________2.Ellacanplaytheviolin.（改为一般疑问句并作肯定回答）

___________________________3.Thelittlegirlca