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1、Unit 3 Im more outgoing than my sister.Section A两者之间比较两者之间比较tall 高的big 大的small 小的nice 好的taller 更高的bigger 更大的smaller 更小的一注意形容词要变为比较级nicer 更好的 请总结一下形容词变比较级请总结一下形容词变比较级的变法规则的变法规则形容词比较级的形容词比较级的 构成规则构成规则1.直接在形容词后加直接在形容词后加-er。2.以以e结尾的形容词直接在其后加结尾的形容词直接在其后加-r。tallnice3.以重读闭音节结尾并且末尾只有一个辅音字以重读闭音节结尾并且末尾只有一个辅音字
2、母，应先双写这个辅音字母再加母，应先双写这个辅音字母再加-er.big_shortsmallshorterlarge whiterwhitethinfatterfat_smallerthinnerlargertallernicerbigger形容词比较级的形容词比较级的 构成规则构成规则4.以以“辅音字母辅音字母+y”结尾的，先改结尾的，先改“y”为为“i”，再加再加-er。happy_5.多音节和部分双音节形容词在其前面加多音节和部分双音节形容词在其前面加more。heavierheavy easiereasymore beautifulbeautiful more interestingi
3、nterestinghappier比较级规则变化比较级规则变化一般单音节词末尾加一般单音节词末尾加-er以不发音的以不发音的-e结尾的单音节结尾的单音节词和少数以词和少数以-le结尾的双音节结尾的双音节词只加词只加-r以一个辅音字母结尾的闭音以一个辅音字母结尾的闭音节单音节词节单音节词,双写结尾的辅音双写结尾的辅音字母字母,再加再加-er以辅音字母以辅音字母+y结尾的双音结尾的双音节词节词,yi,再加再加-er 少数以少数以-er,-ow结尾的双音节结尾的双音节词未尾加词未尾加-er 其他双音节词和多音节词其他双音节词和多音节词,在在前面加前面加more来构成比较级。来构成比较级。构成法构成法
4、tall,shortnice,large,ablebig,thin,fateasy,earlyclever,narrowpopular,beautiful,difficult原级原级taller,shorternicer,larger,ablerbigger,thinner,fattereasier,earlier cleverer,narrowermore popular,more beautiful,more difficult比较级比较级Grammar guide不规则变化good-betterbad-worsemany/much-morelittle-lessfar-farther/f
5、urther请翻译一下句子注意形容词的比较级他更高。.她的头发更长。我的房子更大。Bob更胖。Tony 更聪明。Lisa 更内向。这本书更有趣。小美更受欢迎。He is tallerHer hair is longer二连词than 在比较级的用法than 比较级句子中作为连词使用，用于连接被比较的对象。比如，他比Bob更高。He is taller than Bob.她的头发比你的头发更长。我的房子比他的房子更大。Bob比Tom更胖。Tony 比Bob更聪明。Lisa 比她姐姐更内向。这本书比那本书更有趣。小美比小花更受欢迎。Liu Xiang is tall.Pan Changjiang
6、is short.Liu Xiang is taller than Pan Changjiang.Pan Changjiang is shorter than Liu Xiang than 比比(conj.连词连词).两者之间比较，用形容词比较级两者之间比较，用形容词比较级 Lin Xinru is thin.Liu Yifei is thinner.Liu Yifei is thinner than Lin Xinru.45kg48kgThe women are fat.The man and the woman are thin.The women are fatter than the
7、man and the woman.Li Yong is more outgoing than Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.同样副词也有比较级I get up early.I get up earlier than him.He works hard.He works harder than me.其变法规则与形容词一致。请翻译一下句子。Bob 跑的比你快。（fast）她写的比你快。（quickly)Look at the picture They look the same.One is Miko.Th
8、e other is Yumi.The twins showThere are three pairs of twins.who are twins?Can you find them?And why do you think so?Look at these names.Tara Tom Peter Sam Paul TinaTara and TinaTom and SamPaul and PeterListen to the tape and number three pairs of twins.Twin sistersTwin brothers213Peter 1,Both Tom and Sam can play the ,but plays them better than .2,Tina is than Tara.And she also sings than Tara3,Peter is than Paul.And Peter is than paul.drumsSamTomtallermore loudlyheaviershorterListen to the tape and fill in the blanks.Pair work.Is that Sam?No,thats Tom.Sam has longer hair than Tom.