1、Unit 1 How tall are you? 绿色圃中小学教育网 绿色圃中小学教育网 tall taller old older small smaller 绿色圃中小学教育网 绿色圃中小学教育网 young younger strong stronger short shorter 绿色圃中小学教育网 绿色圃中小学教育网 long longer big bigger Look at the pictures and understand 看图并理解 A B 绿色圃中小学教育网 绿色圃中小学教育网 thin thinner heavy heavier 形容词比较级 大多数形容词和副词有三个
2、等级：大多数形容词和副词有三个等级： 原级原级, ,即原形即原形 比较级比较级, ,表示“较表示“较”；“更；“更” Grammar 形容词和副词的比较级形容词和副词的比较级 最高级，表示“最 构成的规则变化构成的规则变化: 1. 一般在词尾加一般在词尾加 er eg. cold colder old older 一、形容词的比较级变化形式一、形容词的比较级变化形式 1. tall - _ 7. small- _ 2. short- _ 8. cool-_ 3. strong-_ 9.cold- _ 4. old - _ 10.warm-_ 5. young-_ 11.deep -_ 6. l
3、ong - _ 12.light - _ taller shorter stronger 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先双写这个辅音字母, 再加再加-er. big bigger thin thinner 3. 以“辅音字母以“辅音字母+ y”结尾的双音节词，先结尾的双音节词，先 改改y为为i, 再加再加-er。 easy easier happy happier 重读闭音节双写的练习 big- _
4、 thin- _ fat - _ hot - _ wet - _ sad - _ bigger thinner fatter hotter wetter sadder 以前学的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多音节词和部分双音节词在词前加 mo
5、re。 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。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
6、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 funnier larger bigger more beautiful better 1.表示两者表示两者 (人或事物人或事物) 的比较。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二、形容词的比较级的用法 Zeng Zhiwei is s
7、hort. 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 Ming is taller than jordan. Liu Huan is old . Fei Mao is Fei Mao is Liu Huan. 80岁岁 90岁岁 older . older than Lin Xinru is young. Liu Yifei is Liu Yifei is Lin
8、Xinru. 18岁岁 28岁岁 younger. younger than The blue ruler is long. The red ruler is longer, The red ruler is longer than the blue ruler. fast faster Look at the pictures and understand 看图并理解 填空题比较级填空 1. A is 10 years old, B is 11 years old. A is _ than B. 2. Tom is 160 cm, Lucy is 170 cm. Lucy is _than
9、Tom. 3. The elephant is 893 kg, the pig is 158 kg. The elephant is _than the pig. younger taller heavier 填空题计算 1.A is 23 years old, B is 4 years older than A. B is _ years old. 2.Lucy is 159 cm, Alice is 16 cm shorter than Lucy, Alice is _cm. 3.Amy is 43 kg, Zhangpeng is 23 kg heavier than Amy, Zhan
10、gpeng is _kg. (23+4=27) 27 (159-16=143) 143 (43+23=66) 66 我们已经初步学了比较级的运用， 那么在生活中我们如何让运用比 较级呢? 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,
11、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. m
12、uch big C. many bigger D. much bigger 连词成句 1. shorter You your are sister than 2. 2 years older Shes me than 3. heavy you How are 4. big How feet are your 5. How is tall Lucy 6. I you stronger am than 7. me you Are shorter than Lets talk Lets talk dans dinosaur 恐龙 hl hall 大厅 mit meter 米 b both两个都 Lets talk what size are your shoes ? Size 7 Read and write Countryside kntrsad 乡村 Lower l 更低 Shadow d 影子 Smarter sm:t 更聪明 become bkm 成为
