比较级公开课.pptx

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1、第1页/共45页Unit 3 Im more outgoing than my sister.（SectionA1a1c）第2页/共45页 thinfat Cindy is thinner than Angela.Angela is fatter than Cindy.第3页/共45页 Yao Ming is taller than Liu Xiang.Liu Xiang is shorter than Yao Ming.shorttall第4页/共45页Qi Wei has shorter hair than Zheng Shuang.Zheng Shuang has longer hair

2、 than Qi Wei.long hair short hair第5页/共45页quietlyloudlyThe girl is more quietly than the boy.The boy is more loudly than the girl.第6页/共45页Lin Xinru is thin.Liu Yifei is thinner.Liu Yifei is thinner than Lin Xinru.45kg48kg第7页/共45页Li Yong is more outgoing than Cheng long.Cheng Long is outgoing.LiYongis

3、moreoutgoing.第8页/共45页The women are fat.The man and the woman are thin.The women are fatter than the man and the woman.第9页/共45页The red box is big.The green box is small.The red box is bigger than the green box.第10页/共45页The purple ruler is long.The blue ruler is short.The purple ruler is longer than t

4、he blue ruler.第11页/共45页tallthin long hairquietlyloudlyshort hairheavyshort1a.Match each word with its opposite!第12页/共45页1b.Listen and number the pairs of twins 1-3 in the picture.123listeningPeter第13页/共45页Listen again and fill in the blanks:1.Sam has _hair than Tom.Sam plays the drums _than Sam.2.Ti

5、na is _than Tara.She sings _ than Tara.3.Peter is _ than Paul.And Pauls _ than Paul.bettermore loudlytallerheavierlonger shorter第14页/共45页1c.Practicetheconversationinthepictureabove.Thenmakeconversationsabouttheothertwins.A:Thats Tara,isnt it?B:No,it isnt.Its Tina.Tina is taller than Tara.And she als

6、o sings more loudly than Tara.第15页/共45页ItemIMy deskmateHeight(tall/short)Build(thin/heavy)Hair(long/short)Get up(early/late)Sing(loudly/quietly)Study(hard)English(be good at)Report:I am taller than my desk mateEyes(big/small)第16页/共45页 比较级句型结构比较级句型结构:主语主语+谓语动词谓语动词+adj.比较级比较级+than+对比对比成分成分:Eg:Im talle

7、r than Jenny.Im more outgoing than my sister.第17页/共45页1.Reviewwhatwehavelearnthisclassandcopythewords.2.Writeareport:compareyourselfofnowwithyourselfoftenyearslater.第18页/共45页得朋友难，失朋友易得朋友难，失朋友易第19页/共45页第20页/共45页形容词或副词的比较级形式：形容词或副词的比较级形式：tall taller fast fasternice nicerthin thinnerearly earlier outgo

8、ing more outgoing 原形原形比较级比较级第21页/共45页 tall taller fast fasternice nicerthin thinner(以不发音的字母以不发音的字母 e 结尾的结尾的+r)(一般在词尾一般在词尾+er)原形原形比较级比较级(重读闭音节词词尾只有一个辅音重读闭音节词词尾只有一个辅音字母时，先双写辅音字母再字母时，先双写辅音字母再+er)第22页/共45页 early earlieroutgoing more outgoing (以辅音字母以辅音字母+y 结尾的单结尾的单 词，变词，变 y 为为 i+er)(多音节词和部分双音节词多音节词和部分双音节

9、词前加前加more)第23页/共45页比较级规则变化口诀比较级规则变化口诀：比较级，要变化，一般词尾加比较级，要变化，一般词尾加erer。(long-longer)(long-longer)词尾若有哑音词尾若有哑音e,e,直接加直接加r r就可以。就可以。(nice-nicer)(nice-nicer)重读闭音节，重读闭音节，辅音字母双写加辅音字母双写加erer。(thin-thinner)(thin-thinner)辅音字母若加辅音字母若加y,y,记得把记得把y y变为变为i i。(happy-happier)(happy-happier)第24页/共45页Test yourself一、写出

10、下列各形容词的比较级 short thinbigbeautiful largehotbusypopularearlygoodshorterthinnerbiggermore beautifullargerhotterbusiermore popularearlier better heavyheavierhardharderlatehappilylatermore happilyfatfatter第25页/共45页quietly-more quietlyloudly-more loudly归纳以上词的比较级的区别tall-taller short-shorterlong hair-longer

11、 hairthin-thinnerheavy-heavier第26页/共45页1cPracticetheconversationinthepictureabove.Thenmakeconversationsabouttheothertwins.A:Thats Tara,isnt it?B:No,it isnt.Its Tina.Tina is taller than Tara.And she also sings more loudly than Tara.第27页/共45页()1.This pencil is_ than that one.A.longest B.long C.longer

12、D.as long()2.These children are _ this year than they were last year.A.more tall B.more taller C.very taller D.much taller()4.Yao Ming is _ taller than his wife,but he is _taller than Pang Changjiang.A.more,a little B.much,a littleC.a little,much()3.It was very hot yesterday,but it is_ today.A.even

13、hotter B.more hotterC.much more hot D.much hotLets do some exercise!第28页/共45页()4,Which do you like _,tea or coffee?A.well B.better C.best D.most()5,This work is _ for me than for you.A.difficult B.most difficultC.much difficult D.more difficult()6,Which do you think tastes _,the chicken or the fish?

14、A.good B.better C.best D.well第29页/共45页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。My brother .I am him.2,他妹妹钢琴弹得很好。他妹妹比他弹钢琴更好。His sister plays the piano .His sister plays the piano Him.3,我们努力学习。他们比我们学习更努力。We study .They study than .第30页/共45页fastwildcalmsmartlong oldtallyoungshortererererererererergerterternerbusyh

15、appyheavyeasyfunnyierierierierierCan you find out the rules?largenicewiderrrbighotfatthin第31页/共45页2.多音节和少部分双音节单词的构成规律：多音节和少部分双音节单词的构成规律：直直接在原单词之前加接在原单词之前加more eg:more outgoing more clearly more beautiful more interesting 3.不规则变化的：不规则变化的：p114比较级的结构为”比较级+than”,如果比较如果比较 的两者相同时则用的两者相同时则用“as+adj./adv的原形的

16、原形+as”,其否其否 定结构为定结构为“not as/so+adj./adv.+as”注意：第32页/共45页3,800,0003,200,000Thewhitecarismoreexpensivethantheredcar.The red car is cheaper than the white car.第33页/共45页谈谈我们的收获！第34页/共45页比较级的结构为”比较级+than”,如果如果比较比较 的两者相同时则用的两者相同时则用“as+adj./adv的原形的原形+as”,其其否否 定结构为定结构为“not as/so+adj./adv.+as”注意：第35页/共45页一、按

17、要求写出下列各词的正确形式1easy(比较级)：_2different(名词)：_3many(比较级):_4serious(比较级):_5friendly(比较级):_easierdifferencemoremore seriousfriendlier练 习第36页/共45页6funny(比较级)_7outgoing(比较级)_8quiet(反义词)_9tall(反义词)_10beautiful(比较级)_more beautifulmore outgoingloudshorteasier第37页/共45页 完成句子完成句子1.他长得什么样子？他很高。他长得什么样子？他很高。What does

18、 he _ _?He is tall.2.他比我高。他比我高。He is _(tall)than me.look liketaller 3.他的头发比我的短。他的头发比我的短。His hair is _(short)than mine.4.我来的比你晚。我来的比你晚。I come _(late)than you.shorterlater第38页/共45页1.If you want to be thinner and healthier,youd better eat _food and take _ exercise.A.more,fewer B.more,less C.fewer,more

19、D.less,more三三.选择选择第39页/共45页2.Hes _ than his brother.A.strong B.stronger C.the stronger D.the strongest第40页/共45页3.Which do you like _,tea or coffee?A.good B.better C.best D.the better第41页/共45页4.Mum,this T-shirt is much too small for me.Would you buy me a _one?A.goodB.betterC.largeD.larger第42页/共45页Homework 1.Compare one of your friends with you to find your similarities and differences,then write them down.2.Preview the words of this unit.第43页/共45页第44页/共45页感谢您的观看。第45页/共45页