比较级公开课

WelcomeLead-inTwinsUnit3

I’mmoreoutgoingthanmysister.

（SectionA1a–1c）

thinfat

Cindyisthinner

than

Angela.Angelaisfatter

than

Cindy.Presentation

YaoMingistaller

thanLiuXiang.

LiuXiangisshorter

than

YaoMing.shorttallPresentationQiWei

has

shorterhairthan

ZhengShuang.

ZhengShuanghas

longerhairthan

QiWei.Presentation

longhair

shorthairquietlyPresentationloudlyThegirl

is

morequietlythantheboy.Theboy

is

moreloudlythanthegirl.LinXinruisthin.LiuYifeiisthinner.

LiuYifeiisthinnerthanLinXinru.45kg48kgPracticeLiYongismoreoutgoingthanChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.PracticeThewomenarefat.

The

manandthewomanarethin.

Thewomenarefatterthanthemanandthewoman.PracticeTheredboxisbig.

Thegreenboxissmall.

Theredboxisbiggerthanthegreenbox.

PracticeThepurplerulerislong.Thebluerulerisshort.

Thepurplerulerislongerthantheblueruler.Practicetallthinlonghairquietlyloudlyshorthairheavyshort1a.Matcheachwordwith

itsopposite!1b.Listenandnumberthepairsof

twins[1-3]inthepicture.123listeningPeterListenagainandfillintheblanks:1.Samhas______hairthanTom.Samplaysthedrums_______thanSam.2.Tinais_______thanTara.Shesings________________thanTara.3.Peteris_______thanPaul.AndPaul’s_______thanPaul.bettermoreloudlytallerheavierlongershorter1c.Practicetheconversationinthepictureabove.Thenmakeconversationsabouttheothertwins.A:That’sTara,isn’tit?B:No,itisn’t.It’sTina.TinaistallerthanTara.AndshealsosingsmoreloudlythanTara.ItemIMydeskmateHeight(tall/short)Build(thin/heavy)Hair(long/short)Getup(early/late)Sing(loudly/quietly)Study(hard)English(begoodat)Report:Iamtallerthanmydesk

mate…Eyes(big/small)Pairwork

比较级句型结构:主语+谓语动词+adj.比较级+than+对比成分:Eg:I’mtallerthanJenny.I’mmoreoutgoingthanmysister.summaryReviewwhatwehavelearnthisclassandcopythewords.Writeareport:compareyourselfofnowwithyourselfoftenyearslater.HomeworkSharingAfriendiseasierlostthanfound.得朋友难，失朋友易．Grammar形容词或副词的比较级形式：talltallerfastfasternicenicerthinthinnerearlyearlieroutgoingmoreoutgoing原形比较级talltaller

fastfasternicenicerthinthinner(以不发音的字母e结尾的+r)(一般在词尾+er)原形比较级(重读闭音节词词尾只有一个辅音字母时，先双写辅音字母再+er)earlyearlieroutgoingmoreoutgoing(以辅音字母+y结尾的单词，变y为i+er)(多音节词和部分双音节词前加more)比较级规则变化口诀：比较级，要变化，一般词尾加er。(long-longer)词尾若有哑音e,直接加r就可以。(nice-nicer)重读闭音节，辅音字母双写加er。(thin-thinner)辅音字母若加y,记得把y变为i。(happy-happier)Testyourself一、写出下列各形容词的比较级

short

thinbigbeautiful

largehotbusypopularearlygoodshorterthinnerbiggermorebeautifullargerhotterbusiermorepopularearlier

betterheavyheavierhardharderlatehappilylatermorehappilyfatfatterquietly-morequietly

loudly-moreloudly归纳以上词的比较级的区别tall-taller

short-shorterlonghair-longerhairthin-thinnerheavy-heavier1cPracticetheconversationinthepictureabove.Thenmakeconversationsabouttheothertwins.A:That’sTara,isn’tit?B:No,itisn’t.It’sTina.TinaistallerthanTara.AndshealsosingsmoreloudlythanTara.()1.Thispencilis___thanthatone.A.longestB.longC.longerD.aslong()2.Thesechildrenare____thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtaller()4.YaoMingis____tallerthanhiswife,butheis____tallerthanPangChangjiang.A.more,alittleB.much,alittleC.alittle,much()3.Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhotLet’sdosomeexercise!()4,Whichdoyoulike___,teaorcoffee?A.wellB.betterC.bestD.most()5,Thisworkis____formethanforyou.A.difficultB.mostdifficultC.muchdifficultD.moredifficult()6,Whichdoyouthinktastes____,thechickenorthefish?A.goodB.betterC.bestD.well二．根据中英文提示完成下列各句.1. 我弟弟很胖。我比他更胖。Mybrother

.Iam

him.2,他妹妹钢琴弹得很好。他妹妹比他弹钢琴更好。Hissisterplaysthepiano

.Hissisterplaysthepiano

Him.3,我们努力学习。他们比我们学习更努力。Westudy.Theystudy

than.fastwildcalmsmartlongoldtallyoungshortererererererererergerterternerbusyhappyheavyeasyfunnyierierierierierCanyoufindouttherules?largenicewiderrrbighotfatthin

2.多音节和少部分双音节单词的构成规律：直接在原单词之前加more

eg:moreoutgoingmoreclearlymorebeautifulmoreinteresting

3.不规则变化的：p114比较级的结构为”比较级+than”,如果比较的两者相同时则用“as+adj./adv的原形+as”,其否定结构为“notas/so+adj./adv.+as”注意：¥3,800,000¥3,200,000Thewhitecarismoreexpensivethantheredcar.Thered

carischeaperthanthewhitecar.五、课堂小结谈谈我们的收获！比较级的结构为”比较级+than”,如果比较的两者相同时则用“as+adj./adv的原形+as”,其否定结构为“notas/so+adj./adv.+as”注意：一、按要求写出下列各词的正确形式

1

easy(比较级)：___________

2

different(名词)：_________3

many(比较级):______

4

serious(比较级):_____________

5friendly(比较级):_________

easierdifferencemoremoreseriousfriendlier练习6

funny(比较级)_________

7

outgoing(比较级)_______

8quiet(反义词)_________

9

tall(反义词)____________

10

beautiful(比较级)______________

morebeautifulmoreoutgoingloudshorteasier

完成句子他长得什么样子？他很高。—Whatdoeshe________?—Heistall.2.他比我高。Heis______(tall)thanme.lookliketaller3.他的头发比我的短。Hishairis______(short)thanmine.4.我来的比你晚。Icome_______(late)thanyou.shorterlater1.If