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英语教学课件外研八年级上册Unit3LanguageinuseModule2MyhometownandmycountryTosummariseandconsolidatetheusecomparativeadjectives(-er)TocomparetwoplacesinyourhometownObjectives:ObserveAreyoufamiliarwiththesesentences?Theyareallfromthetextswehavelearnt.It’sgettingbiggerandbusier.Itsstreetsaremuchwiderandcleanertoo.3.It’sanewercitythanHongKong.4.It’stallerthanmanyotherbuildingsinShenzhen.5.SomedayitwilleasbusyasHongKong.6.That’slargerthanthepopulationofmanyothercitiesinChina.7.ShenzhenislargerinpopulationthanBeijing.1.It’sgetting______(big)and______(busy).2.Itsstreetsaremuch______(wide)and______(clean)too.3.It’sa_____(new)city____HongKong.4.It’s_____(tall)____manyotherbuildingsinShenzhen.biggerbusierwidercleanernewerthantallerthangoReady?5.Somedayitwille__________(busy)asHongKong.6.That’s______(large)_____thepopulationofmanyothercitiesinChina.7.Shenzhenis_____(large)inpopulation_____Beijing.busyaslargerthanlargerthan比较级用于比较两个主体的,组成句子的方式是将形容词或副词变成比较级的形式,之后要用than引出比较的对象。形容词比较级的构成——

规则变化:单音节和部分双音节词一般在词尾加-ertall→tallerlong→longer以字母e结尾的词,在词尾加-rfine→finerlate→later重读闭音节词且词尾只有一个辅音字母,双写辅音字母再加-erbig→biggerthin→thinner

以“辅音字母

+

y”结尾的双音节词,先把“y”改为“i”再加-er

easy→easier

friendly→friendlier比较级的句子结构:原来的句子结构不变,只是将形容词变成比较级的形式,然后在后面用than引出所比较的对象。例如:1.Shanghaiisbusy.ShanghaiisbusierthanHangzhou.2.Shanghaiisanoldcity.ShanghaiisanoldercitythanShenzhen.比较级常用句型:1.

A+动词+形容词比较级+than+B

意为“A比B更……”Thistreeistallerthanthatone.TheclimateinBeijingishotterthanthatofNingbo.ABAB2.

表示两者之间的选择,可使用

Whichis+比较级,…or…?

Whichislonger,thisoneorthatone?3.……比较级+and+比较级……“越来越…”

Inspring,thedaysaregettinglongerandlonger.

4.as+形容词原形+as…“和……一样……”TomisastallasMike.

Thisgirlisasbeautifulasthatone.IwasashappyasJohnyesterday.否定形式:notas…as…或

notso…as…

意为“和……不一样”、“不及/不如……”。TomisnotastallasMike.TomisnotsotallasMike.Youdon’teatsomuchasI.Thisbookisn’tasinterestingasthatone.注意:修饰比较级的副词要用much,alot,alittle,abit,far等。very不能和比较级连用。如:TheblouseIboughtyesterdayisalittle

lessexpensive.昨天我买的衬衣比较便宜。Toplaybasketballis

far

moreenjoyabletotheboy.打篮球对于男孩子来说要有趣得多。一、用所给词的适当形式填空Herhairis______(long)thanmine.Whois______(short),TomorJack?Lilyis_______(quiet)thanhersister.Tina,pleasecometoschoolalittle_______(early)nexttime.Ites______and_______(hot)whensummercomes.longershorterquieterearlierhotterhotterPractise二、单项选择Thisoneistoolarge.Canyoushowmea_______one?A.largerB.largeC.smallD.smaller2.–DoyouthinkMarchis____thanJanuary?–Yes,it’s______warmer.A.better,alittleB.well,muchC.worse,veryD.nicer,quite3.TheweatherinNorthChinaiscolderthan______inSouthChina.A.\B.thisC.theoneD.that4.Whichoneis_____,thisoneorthatone?A.goodB.badC.bestD.better5.Ithinkyourroomis_______bigger.A.alotB.alotofC.lotsofD.more6.Herbagisnewerthan______.A.mineB.myC.meD.I7.Thisbookis____thatone,but_____thanthatone.A.asdifficultas,expensiveB.asmoredifficultas,moreexpensiveC.asdifficultas,moreexpensiveD.moredifficultas,asexpensive以下部分为课本练习,供老师在对答案时选择使用。Completethesentenceswiththecorrectformofthewordsinthebox.bigcoldlargeoldtallShenzhenwasverysmallaboutthirtyyearsagobutitismuch______now.Thisbuildingistallbutthatbuildingismuch______.BeijingisoldbutXi’anismuch_____.TheUShasalargepopulationbutIndia’spopulationis_______.BeijingiscoldinwinterbutHarbinis______.biggertallerolderlargercolder1P14P142Workinpairs.Talkaboutthepictures.Usethewordsintheboxtohelpyou.bigbusyhighlowoldsmalltallwideNowmakecomparisons.Writesentences.ThebuildinginPicture1areolderthanthebuildinginPicture2.ThebuildinginthevillageinPicture1areolder/smaller/lowerthanthebuildingsinthecityinPicture2.ThebuildingsinthecityinPicture2arenewer/higher/bigger/tallerthanthebuildingsinthevillageinPicture1.InPicture2,theroadsarewider/busierthanthoseinPicture1.3Writesentences.Usetheinformationinthetable.ShenzhenBeijingnewShanghaiHangzhoubusyXi’anBeijingoldChinaAustraliabigTian’anmenSquareOthersquaresinChinawideThepopulationofTianjinThepopulationofShanghaismallShenzhenisnewerthanBeijing.P15ShanghaiisbusierthanHangzhou.Xi’anisolderthanBeijing.ChinaisbiggerthanAustralia.Tian’anmenSquareiswiderthanothersquaresinChina.ThepopulationofTianjinissmallerthanthepopulationofShanghai.P154Completethewordmapwiththewordsinthebox.Youneedtouseonewordmorethanonce.bigcoldlargenewoldsmallwarmPlacesizepopulationweatherhistoryoldnewlargesmallcoldbig/largesmallwarmCompletethesentenceswiththeexpressionsinthebox.inthenortheastisfamousforonthecoastprettygoodThepopulationofCambridgeisabeautifuloldEnglishcity.It____________itsuniversity.isfamousfor5P152.TianjinisnearBeijing,___________oftheBohaiSea.3.________________IndiaissmallerthanthatofChinabutbiggerthanthatofRussia.4.Harbinis______________ofChinaandisaverybusycity.5.TheweatherinBeijinginautumnis_____________.onthecoastThepopulationofinthenortheastprettygoodP166Completethepassagewiththecorrectformofthewordsinbrackets.Inmyhometowntherearetwocinemas,theGrandCinemaandthePalaceCinema.TheGrandCinema(1)_______(old)and(2)_______(small)thanthePalaceCinema.Itisalso(3)________(warm)intheGrandCinema.ThePalaceCinemaisusually(4)_______(busy)thantheGrandCinemaandtheticketsare(5)________(cheap)too.oldersmallerwarmerbusiercheaperP167Listenandcompletethesentences.1.NewYorkisa(n)______and_______citythanWashingtonDC.2.NewYorkismore________thananyothercityintheUS.3.Shanghaihasa(n)________populationthanBeijing.4.Beijingis________thanShanghai.biggerbusierfamouslargerolder注:word文档点击此处链接Tapescript:Daming:IsNewYorkthecapitaloftheUS,Betty?Betty:No,itisn’t.WashingtonDCisthecapital,butsomepeoplethinkthecapitalisNewYorkbecauseNewYorkisabiggerandbusiercitythanWashingtonDC.Daming:Isee.NewYorkismorefamousthananyothercityintheUS,right?Betty:Yes,Ithinkitis.AndwhichChinesecityisbigger—ShanghaiorBeijing?Daming:Well,Shanghaihasalargerpopulation.Betty:Really?Andwhichcityisolder,BeijingorShanghai?Daming:Well,that’sagoodquestion!Theyarebothveryoldcities,butBeijingisolderthanShanghai.Betty:That’sveryinteresting!MakingareportcomparingtwoplacesinyourhometownModuletask:Step1:Workinpairs.Comparetwoplacesinyourhometown.•Whereisit?It’sinthenorth/south/east/westofthetown.•Howoldisit?It’sabout…yearsold.•Howmanypeoplework/gothere?…peoplework/gothere.•Isthereanythingspecialaboutit?It’sbiggerthan…Step2:Writetheinformationinthetable.Place1:_______Place2:_______Step3:Makeareport.•Writesentences.

Place1isbiggerthanPlace2.Place2isolderthanPlace1.•Jointhesentencesusingandorbut.

Place1isbiggerthanPlace2,butPlace2isolderthanPlace1.•Readyourreporttothewholeclass.Summary1.形容词的比较级的规则变化:在词尾加-er/-r,或双写词尾字母,再加-er,或去y加-ier。2.常用句型:

1)A+be+形容词的比较级+than+B2)as+形容词原形+as…和……一样……

否定形式:notas/so…as…注:word文档点击此处链接QuizI.根据图画和提示词,用形容词比较级形式写一个符合图意的完整、恰当的句子。1.(cheap)______________________________________________¥2090¥2080Thewatchischeaperthanthecamera.2.(free)___________________________3.(fast)_______________________________Damingisfreerthanhismother.JackisfasterthanMike.

4.5.(boy,girl,tall)_____________________________(weather,warm)_________________________________________________________Theboyistallerthanthegirl.Theweathertodayiswarmerthanyesterday.

II.从方框中选择适当的句子补全对话。Thenthehousestherearenewerandbiggerthantenyearsago.B.

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