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1、Unit 1 How tall are you?,PPT模板下载： 行业PPT模板： 节日PPT模板： PPT素材下载： PPT背景图片： PPT图表下载： 优秀PPT下载： PPT教程： Word教程： Excel教程： 资料下载： PPT课件下载： 范文下载： 试卷下载： 教案下载：,tall,taller,old,older,small,smaller,young,younger,strong,stronger,short,shorter,long,longer,big,bigger,Look at the pictures and understand,A,B,thin,thinner
2、,heavy,heavier,形容词比较级,大多数形容词和副词有三个等级： 原级,即原形 比较级：表示“较”；“更”,Grammar,形容词和副词的比较级,最高级：表示“最”,构成的规则变化: 1. 一般在词尾加 er eg. cold colder old older,一、形容词的比较级变化形式,tall - _ 7. small- _ 2. short- _ 8. cool-_ 3. strong-_ 9.cold- _ 4. old - _ 10.warm-_ 5. young-_ 11.deep -_ 6. long - _ 12.light - _,taller,shorter,st
3、ronger,older,younger,longer,smaller,cooler,colder,warmer,deeper,lighter,2. 重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er. big bigger thin thinner 3. 以“辅音字母+ y”结尾的双音节词，先改y为i, 再加-er。 easy easier happy happier,重读闭音节双写的练习,big- _ thin- _ fat - _ hot - _ wet - _ sad - _,bigger,thinner,fatter,hotter,wetter,sadder,以前
4、学的ing格式也遵守重读闭音节要双写的原则。如run-running，swim-swimming。,去y为i+er的练习,heavy-_ funny-_ happy-_,heavier,funnier,happier,以前学习名词的复数和单三形式时，格式也遵守不发音的y要去y为i+es的原则。 如butterflies fly-flies,4.多音节词和部分双音节词在词前加 more。 eg. delicious more delicious interesting more interesting serious-more serious,多音节比较级的练习,多音节是指大于等于3个音节的单词
5、。前面+more（更加），表示更加怎么样。 beautiful more beautiful excitedmore excited,构成的不规则变化: eg. good / well better bad / badly worse many / much more little less far farther / further,以不发音的e结尾,不发音的e结尾，或者指单个e结尾的，不包括发音的e和字母组合。 large-_ nice -_ fine -_,larger,nicer,finer,综合练习,tall funny large big beautiful good,taller
6、,funnier,larger,bigger,more beautiful,better,1.表示两者 (人或事物) 的比较。 eg. I am taller than Tom. My dress is more beautiful than hers.,二、形容词的比较级的用法,Zeng Zhiwei is short.,Pang Changjian is,Pang Changjian is Zeng Zhiwei.,shorter.,shorter than,than 比,Jordan is tall.,Yao Ming is taller.,Jordan,2.26m,1.98m,Yao
7、Ming is taller than jordan.,Liu Huan is old .,Fei Mao is,Fei Mao is Liu Huan.,80岁,90岁,older .,older than,Lin Xinru is young.,Liu Yifei is,Liu Yifei is Lin Xinru.,18岁,28岁,younger.,younger than,The blue ruler is long.,The red ruler is longer,The red ruler is longer than the blue ruler.,fast,faster,Loo
8、k at the pictures and understand,问年龄： How old are you? 问身高： How tall are you? 问体重： How heavy are you? 问长短： How long is your leg? 问大小： How big are your hands?,How old are you? Im 20 years old. How tall are you? Im 150centimeters（tall）. sent,mi:tz Im 1.50meters（tall）. point How heavy are you? Im 46 kilograms . kilgrm,1. Jims bag is _ than Kates. A. bigger B. big C. biggest D. the bigger 2. My shoes are cheaper than _. A. you B. your C. yours D. your one,Self-check,I. Multiple choices,4. This classroom is _than that one. A. many big B. much big C. many bigger D. much bigger,
