英语人教版八年级上册Unit3 第一课时课件.ppt

1、Im more outgoing than my sister.,Unit 3,1.Learn the comparative degree.(比较级),2.Correctly compare and give judgment,Pay respect to yourself and others. Cultivate good personal traits.,知识目标,能力目标,情感目标,学习目标,Section A (1a1c),Jordan is tall.,Yao Ming is taller,Jordan,2.26m,1.98m,than Jordan.,Jordan is Yao

2、 Ming.,shorter,than,Whats the difference between them?,How to compare them ?,tall,The red apple is big.,The green apple is _ the red one.,bigger than,big,The green apple is,The red apple is _ the green one.,smaller than,bigger,Lin Xinru is thin.,Liu Yifei is_.,Liu Yifei is_ Lin Xinru.,45kg,48kg,thin

3、ner,Lin Xinru,Liu Yifei,thinner than,Lin Xinru is_ Liu Yifei.,heavier than,thin,Wang Li,Li Fang,Wang Li is nice.,Li Fang is nicer.,Li Fang is nicer than Wang Li.,Li Yong is _ Cheng long.,Cheng Long is outgoing.,Li Yong is,outgoing,outgoing,more,more outgoing than,Cheng Long is _ Li Yong.,quieter tha

4、n,short,-,shorter,small,-,smaller,nice,nicer,safe,safer,-,-,-,-,-,-,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,Grammar,形容词或副词的比较级形式：,1.一般在形容词后加-er。,2.以重读闭音节结尾的形容词双写最后的辅音节字母再加-er。,3.以不发音的e结尾的形容词直接在其后加-r。,4.以“辅音字母+y”结尾的，先改“y”为“I”，再加-er。,outging,serious,more outging,-,-,more serious,5.多音节

5、和部分双音节形容词在其前面加more。,不规则变化： bad / badly/ill worse many / much more good / well better oldolder/elder far farther / further little less,short angry smart late thin early serious,fat Well much,fatter,shorter,angrier,smarter,later,thinner,earlier,more serious,Test yourself,写出这些词的比较级形式。,better,more,3,800

6、,000,3,200,000,The red car is expensive,The white car is more expensive,The white car is more expensive than the red car.,Practice the conversations in the picture below.,比较级的句型,两者进行比较，表示“一方比另一方更”,A + be + 形容词比较级 + than + B,small,smaller,heavy heavier,young younger,1,3,2,Jim,Bob,4,5,800,000,3,200,00

7、0,more expensive,expensive,1a,Match each word with its opposite.,1b Listen and number the pairs of twins in the picture 1-3,1,2,3,Thats Tara, isnt it?,No, it isnt. Its Tina. Tina is taller than Tara.,No, it isnt. Its Liu Xiang He is taller than Pan Changjiang,Is that Pan Changjiang?,Is that Han Hong

8、,No, it isnt. Its Liu Yifei. SHe is thinner than Han Hong.,50cm,Ha Ha.,Ha ha ha ha,6 years old,3 years old,30kg,15kg,70cm,Tom,Mary,Compare them carefully to see picture,1.形容词比较级构成规则。 a.规则变化 b.不规则变化。 2.形容词比较级用法 表达A 比B怎么样，使用下面 的句型 A+be +形容词比较级+than+B,Do you know what we have learned ?,Summary,一、按要求写出下

9、列各词的正确形式 1easy(比较级)：_ 2different(名词)：_ 3many(比较级):_ 4serious(比较级):_ 5 friendly(比较级):_,easier,difference,more,more serious,friendlier,练 习,完成句子,他长得什么样子？他很高。 What does he _ _?He is tall. 2. 他比我高。He is _ me.,look like,taller than,3.他的头发比我的短。 His hair is _ mine. 4.我来的比你迟。 I come _ you.,shorter than,later

10、 than,1. 分析词汇，可分为长相，爱好，性格及学习品质。 2. 注意句子结构，介绍发型时，have/has hair；介绍爱好时，like/likes ；其他可用 be + 形容词。 3. 适当运用 and 及 but。,写作指导：,Homework: A.熟记比较级的变化规则及用法. B.谈论关于你跟你朋友之间的共同点和不同点.E,g Were both girls.Im taller than her. My hair is longer than hers.,Goodbye,Thank You!,Pairwork Make sentences about Sam and Tom a

11、ccording to the stars,e.g. Sam is taller than Tom.,smart smarter tall taller outgoing more outgoing quiet quieter thin thinner,Say something about your friend and you using these words and we guess who your friend is,I amthan She/He is than,tall, short, thin, long, heavy, calm, wild, smart, funny, b

12、eautiful, popular, outgoing,Game,1.什么是形容词的原级？ 表示修饰两种东西的程度是一样的,用 as.as表示原级，译为:“和一样”。 2.什么是形容词的比较级？ 表示两者相比，一个比另一个更，有比 较级的句中有than,且仅限于两者比较。,形容词的原级和比较级,语法要点： 1.同级比较的句型 2. 比较级的句型,“A+谓语+as+形容词/副词+as+B”,表示“A和B一样”,否定形式就是“not so/as+形容词/副词+as”,表示“不如”。,“A+比较级+than+比较的对象”，than前要用形容词或副词的比较级形式。,当两个人或两件事物进行比较时，形容词

13、和副词要用比较级，也就是词尾-er形式，比较级常常用than来连接被比较的两个人或事物。,e.g. I am shorter than you.,形容词及其比较级,tall,taller,short,shorter,thin,thinner,heavy,heavier,long hair,longer hair,short hair,shorter hair,quietly,more quietly,loudly,more loudly,Language points,一 将下列形容词变成比较级形式：,old fat young ugly high low light white sunny

14、hot cool,older,fatter,younger,uglier,higher,lower,lighter,whiter,sunnier,hotter,cooler,higher later taller hungrier thirstier funnier bigger hotter wetter less better more beautiful more interesting,写出下列单词的比较级。 high late tall hungry thirsty fuuny big hot wet little good/well beautiful interesting,No

15、te:,*Means Sam is taller than Tom.,6 funny(比较级)_ 7outgoing(比较级)_ 8 quiet(反义词)_ 9tall(反义词)_ 10beautiful(比较级)_,more beautiful,more outgoing,loud,short,easier,A: Is that Zhou Xingchi? B: No, it isnt. Its Yao Ming. He is taller than Zhou Xingchi.,1b,Listen and number the pair of twins 1-3 in the picture

16、.,Tape script,A: Is that Sam playing the guitar? B: No, thats Tom. Sam has longer hair than Tom. C: Both Tom and Sam can play the drums, but Sam plays them better than Tom.,Conversation 1,A: Thats Tara, isnt it? B: No, it isnt. Its Tina. Tina is taller than Tara. And she also sings more loudly than

17、Tara.,Conversation 2,A: Is that Paul? B: No, thats Peter. Peters heavier than Paul. And Pauls shorter than Peter.,Conversation 3,Language points,Sam has longer hair than Tom. 萨姆的头发比汤姆的长。,这是一个含有形容词比较级的句子。比较级用于两者或两类事物之间的比较，意为“更，较”。通常用从属连词than连接，表示比较。比较级的结构：A +have/has+形容词比较级+名词+ than +B；A +be+形容词比较级+t

18、han +B。 e.g. She has more books than he does. 她的书比他的多。 He is taller than me. 他比我高。,1c Practice the conversation in the picture above. Then make conversations about the other twins.,A: Thats Tara, isnt it? B: No, it isnt. Its Tina. Tina is taller than Tara. And she also sings more loudly than Tara.,N

19、o, it isnt. Its Paul. Pauls thinner than Peter. Peters taller than Paul.,Is that Peter?,Language points,1.Thats Tara , isnt it? 那是塔拉，是吗?,在反意疑问句中，当陈述部分的主语是指示代词this或that时，附加疑问句的主语用it；当陈述部分的主语是指示代词these或those时，附加疑问句的主语用they。,e.g. This is a plane, isnt it? 这是一架飞机，是吗？ These are grapes，arent they? 这些是葡萄，是

20、吗？,注意：反意疑问句是由两部分组成的，前一部分是对事物的陈述（即陈述句），后一部分是简短的提问（即简短疑问句），中间用逗号隔开。如果前一部分用肯定句，后一部分就用否定疑问句；两部分的人称和时态要一致。 例句：You are from America, arent you? 你来自美国，是吗？ The Greens werent at home last night, were they? 格林一家人昨晚不在家，是吗？,calmer,more difficult,easier,Can you put them into the right column?,funny,serious,outgo

21、ing,quiet,smart,athletic,tall,heavy,happy,thin,short,beautiful,different,hot,fat,bigger,用所给词的适当形式填空。 My father has _ ( short ) hair than my mother. My mother has _ ( long ) hair than my father. But my father is _ ( heavy ) than my mother and _ ( outgoing ) than her.,shorter,longer,heavier,more outgoing,Exercises,写出下列单词的比较级。,funny quiet serious smart outgoing quickly,funnier quieter more serious smarter more outgoing more quickly,Self check,1.Yao Ming is_ （tall) tha