Unit5Grammar(p8283)課件仁愛英語七年級(jí)上冊(cè)

Unit5LoveMotherNature!Inthisunit,youwilllearnto:●talkaboutnature.●enjoythebeautyofdifferentnaturalplaces.●useacharttocompareandcontrast.●usepicturecluestoguessthemeaningofnewwords.●makeaclassbookletaboutnature.BigQuestions:Whatcanwefindinnature?Unit5LoveMotherNature!ExploringtheTopicGrammarinUseLearningObjectives通過本課的學(xué)習(xí)，學(xué)生能夠:1.在上下文情境中理解冠詞和情態(tài)動(dòng)詞can的形式，含義及用法；2.運(yùn)用語法知識(shí)描述四季的特點(diǎn)及動(dòng)物的技能；3.樹立人與自然和諧共生的意識(shí)。Thisisourplane-Earth.WesharetheEarthwithdifferentanimalsandplants.Let'slookatsomeanimals.Doyouknowtheirnames?anantanelephantanowlacatapandaabearWhat'sthis?Whatcoloraretheanimals?anantanelephantanowlTheantisred.Theelephantisgray.Theowlisbrown.acatapandaabearThecatisgray.Thepandaisblackandwhite.Thebearisbrown.Weusea,anandthebeforethenouns.anantanelephantanowlTheantisred.Theelephantisgray.Theowlisbrown.acatapandaabearThecatisgray.Thepandaisblackandwhite.Thebearisbrown.冠詞

1.冠詞的定義：

冠詞是一種虛詞，常放在名詞前面，用來說明名詞所指的人或事物。表示“個(gè)、一個(gè)”，或者表示“這個(gè)、那個(gè)”

冠詞本身不能單獨(dú)使用，在句子中一般不重讀。冠詞

anant一只螞蟻theant這只螞蟻acat一只貓thecat這只貓定冠詞零冠詞不定冠詞213冠詞2.冠詞的分類：冠詞

a/anthe沒有冠詞不定冠詞

不定冠詞a/an不定冠詞a/an用于可數(shù)名詞單數(shù)前，表示泛指某一類事物中的“一個(gè)”。anappleaneggatreeaflower觀察a和an的區(qū)別anappleanegganorangeanice-creamanumbrellaabookacakeamonkeyadogasharkTipsanappleanegganorangeanice-creamanumbrellaabookacakeamonkeyadogashark

元音字母前用an?區(qū)別不定冠詞a和an看發(fā)音a

用在輔音音素開頭的單詞或字母前。an用在元音音素開頭的單詞或字母前。小竅門：

遇到不會(huì)讀的單詞時(shí)，

·a用在輔音之前，

·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

發(fā)_________用_____（a/an）發(fā)_________用_____（a/an）注意/ju://?/aan

記住看發(fā)音！??！不定冠詞a/an的用法

1.

表示數(shù)量，含有“一”的意思。Ihaveadog.我有一只狗。2.表泛指，首次提到的一個(gè)人或物。Thereisagirloverthere.Sheishappy.那邊有個(gè)女孩，她很開心。3.用在單數(shù)可數(shù)名詞前表示這一類別，此時(shí)a/an可以不用翻譯。Acatisakindofpet.貓是一種寵物。4.指某人或某物，但不具體指明哪個(gè)人或物。Agirliswaitingforyou.有個(gè)女孩在等你。5.用于固定搭配中：alittle一點(diǎn)兒 alotof許多 afew幾個(gè)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定冠詞

1.不論是單數(shù)名詞還是復(fù)數(shù)名詞，也不論是可數(shù)名詞還是不可數(shù)名詞，其前均可用定冠詞the。2.目的是對(duì)名詞做個(gè)記號(hào)，表“特指”，譯為“這個(gè)，那個(gè)，這些，那些”。定冠詞thethe+單數(shù)名詞+復(fù)數(shù)名詞+不可數(shù)名詞特指“這個(gè).../那個(gè)...”特指“這些.../那些...”特指“這.../那...”定冠詞the的用法1.

特指某(些)人或某(些)事物。

Thebagonthedeskismine.

桌子上的書包是我的。2.指雙方都知道的人或事物。

Howmuchisthebasketball?

這個(gè)籃球多少錢?3.指上文提過的人或事物。

Iboughtabookyesterday.Thebookisabouthistory.

昨天我買了一本書，這本書是關(guān)于歷史的。4.用在世界上獨(dú)一無二的事物前。

Thesunisbiggerthanthemoon.

太陽比月亮大。5.用于西洋樂器前，表示“彈奏…樂器”playtheviolin拉小提琴 playtheguitar彈吉他

Activity2

Completethetablewithproperarticles.Definitearticlesthe1._____pandaoverthereisHuahua.2.Therearemanystarsin_____sky.3.Iamreadingabook._____bookisaboutnature.4.Ilikeplaying_____guitar.Itmakesmefeelhappy.ThetheThethe名詞是禿子，需要戴帽子；可數(shù)名詞單，需用a和an;輔音前用a,元音前用an;若為特指時(shí)，要用定冠the;碰到代詞時(shí)，冠詞均不現(xiàn)。冠詞用法口訣拓展-零冠詞

零冠詞的用法1.

球類運(yùn)動(dòng)和棋類游戲前不用冠詞。

playfootball踢足球 playbasketball打籃球

playsoccer踢足球

playchess 下棋2.表示星期幾、月份、季節(jié)等名詞前，一般不用冠詞。

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

Ilikespringbest.

我最喜歡春天這個(gè)季節(jié)。3.表示抽象概括意義時(shí)，不可數(shù)名詞和復(fù)數(shù)名詞前不用冠詞。

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

It'stimetohavelunchnow.

現(xiàn)在是該吃午飯的時(shí)間了。5.抽象名詞、專有名詞和物質(zhì)名詞前一般不用冠詞。

Manneedsairandwater.人類需要空氣和水。

Let'sdosome

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

_______eggissmall,but______ballisbig.anaThethe指上文提過的蛋Fillintheblankswitha,anortheaccordingtothepictures.—Whatcanyouseeinthepicture?—Icansee____manislookingat____picturesaboutnature.Helikes____pictures.athethe指上文提過的畫特指那幅畫二、用恰當(dāng)?shù)墓谠~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A(yù)ctivity3

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

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

情態(tài)動(dòng)詞

can

的用法1.can:表示能力，意為“

能、會(huì)

”。Icanplaytheguitar.我會(huì)彈吉他。

Hecanswim.他會(huì)游泳。觀察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沒有變注意1：can沒有人稱和數(shù)的變化人稱和數(shù)變化了觀察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＋動(dòng)詞原形

Lookatthepicturesandreadthesentences.Payattentiontothemodalverbcananditsnegativeformcan’t.can

變否定方法：直接在can后加not，可縮寫成can't.觀察can的否定句觀察can的一般疑問句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.一般疑問句can

變一般疑問句的方法：將can提到句首?？隙ɑ卮穑篩es,sbcan.否定回答：No,sbcan’t找出下列句子的錯(cuò)誤并改正。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.看微課，理解can的用法完成

can的思維導(dǎo)圖can定義注意變句型表示：____________________________can沒有______________can后加______________變否定句：________________________變一般疑問句：____________________能力，意為“

能、會(huì)

”人稱和數(shù)的變化動(dòng)詞原形直接在can后加not，可縮寫成can't將can提到句首Activity3Readthetextandfillintheblankswithcan

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

exercises!1.Tomcanplayping

pong.（改為否定句）

___________________________2.Ellacanplaytheviolin.（改為一般疑問句并作肯定回答）

___________________________3.Thelittlegirlca