人教版英语八年级上Unit3课件1.ppt
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1、人教版英语八年级上人教版英语八年级上Unit3Unit3课课件件1 1What does he look like?He is shorttallYaoMing is tall.Pan is short.Jordan is tall.Yao Ming is tallerJordan2.26m1.98mthan Jordan.Yao Ming is taller.Jordan is _ _ Yao Ming.Look at the pictures,compare and describe them:Liu Huan is heavy.Fei Mao is heavier80kgthan Liu
2、 Huan.Fei Mao is heavier.90kgCai Yilins hair is long.Liu Yifeis hair is longershort/long hairLiu Yifeis hair is longer than Cai Yilins.Cai Yilin has long hair.Liu Yifei has longer hairLiu Yifei has longer hair than Cai Yilin.1.Jordan is tall.2.Yao Ming is taller than him.更 高A+比较级+than+BO is _ than I
3、fatterThis example is more interesting than that one.The red box is big.The green box is small.The red box is bigger than the green box.The green box is smaller than the red box.The purple ruler is long.The blue ruler is short.The purple ruler is longer than the blue ruler.The blue ruler is shorter
4、than the purple ruler.Lin Xinru is thin.Liu Yifei is thinner.Liu Yifei is thinner than Lin Xinru.45kg48kgLi Yong is more outgoing than Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.Zhao Weis eyes .Zhou Xuns eyes .biggersmallerZhao Wei has_ Zhou Xun.Zhou Xun has_ Zhao Wei.tallthin long h
5、airquietlyloudlyshort hairheavyshort1a.Match each word with its opposite!Listen and number the pairs of twins in the picture.1b123Conversation 1 A:Is that Sam play the guitar?B:No.Thats Tom.Sam has _hair _Tom.C:Both Tom and Sam can play the drums.but Sam plays them _ than Tom.Conversation 2 A:That s
6、 Tara,isnt it?B:No,it isnt.Its Tina.Tina is _than Tara.And she also sings_ _ than Tara.Conversation3 A:Is that Paul?B:No,thats Peter.Peters _than Paul.And Pauls _than Peter.1b Listen again and complete the conversationsWhich runs faster,the dog or the sheep?The dog runs faster than the sheep.The she
7、ep runs fast.Is that Tara?No,it isnt.Its Tina.Tara Tina 1ctallerWho is that?No,it isnt.Its Paul.Is that Peter?Paul Peter heavierplays the guitar bettershorter-Is that Eric?-No,thats David.Eric is thinner than David and he is better at sports than David.DavidEric大多数形容词和副词有三个等级:大多数形容词和副词有三个等级:原级、比较级、最
8、高级。原级、比较级、最高级。一、构成一、构成1.1.构成的不规则变化构成的不规则变化:eg.good/well better best bad/badly worse worst many/much more most little less least far farther/further farthest/furthestGrammar:形容词和副词的形容词和副词的 比较级和最高级比较级和最高级2.构成的规则变化构成的规则变化:1)单音节词和少数双音节词单音节词和少数双音节词 一般在词尾后加一般在词尾后加-er 或或-est.如:如:cold colder coldest nice ni
9、cer nicest2)重读闭音节词末尾只有一个辅音字母重读闭音节词末尾只有一个辅音字母时时,先双写这个辅音字母先双写这个辅音字母,再加再加-er或或-est。如如:big bigger biggest thin thinner thinnest3)3)以以“辅音字母辅音字母+y”+y”结尾的双音节词,结尾的双音节词,先改先改y y为为i,i,再加再加-er-er或或-est-est。如:。如:easy easier easiest easy easier easiest happy happier happiest happy happier happiest4)多音节词和部分双音节词在词多
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