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1、talltalleroldoldersmallsmalleryoung youngerstrongstrongershortshorterlonglongerbigbiggerLook at the pictures and understand 看图并理解ABthinthinnerheavyheavier 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： 原级原级, ,即原形即原形 比较级比较级, ,表示表示“较较”；“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. col
2、d 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tall - _ 7. small- _2. short- _ 8. cool-_3. strong-_ 9.cold- _4. old - _ 10.warm-_5. young-_ 11.deep -_6. long - _ 12.light - _tallershorterstrongerolderyoungerlongersmallercoolercolderwarmerdeeperlighter 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
3、这个辅音字母, 再加再加-er. big bigger thin thinner 3. 以以“辅音字母辅音字母+ 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- _ thin- _ fat - _ hot - _ wet - _ sad - _biggerthinnerfatterhotterwettersadder 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-_h
4、eavierfunnierhappier 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 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。前面+more（更加），表示更加怎么样。 beautiful more beautiful excitedmore excited 构成的不规则
5、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 -_largernicerfiner综合练习 tall funny large big beautiful goodtallerfunnierlargerbiggermore beautifulbetter 1.表示两者表示两者 (人或事物人或事物) 的比较。的比较。 e
6、g. 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 short.Pang Changjian isPang Changjian is Zeng Zhiwei.shorter.shorter thanthan 比Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mYao Ming is taller than jordan.Liu Huan is old .Fei Mao isFei Mao is L
7、iu Huan.80岁岁90岁岁older .older thanLin Xinru is young.Liu Yifei is Liu Yifei is Lin Xinru.18岁岁28岁岁younger.younger thanThe blue ruler is long. The red ruler is longer,The red ruler is longer than the blue ruler.fastfasterLook 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 yea
8、rs old. A is _ than B.Tom is 160 cm, Lucy is 170 cm. Lucy is _than Tom.The elephant is 893 kg, the pig is 158 kg. The elephant is _than the pig.youngertallerheavier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
9、.Amy is 43 kg, Zhangpeng is 23 kg heavier than Amy, Zhangpeng 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 ar
10、e you?Im 150centimeters（tall）. sent,mi:tz Im 1.50meters（tall）. pointHow heavy are you?Im 46 kilograms . kilgrm 1. Jims bag is _ than Kates.A. bigger B. big C. biggest D. the bigger2. My shoes are cheaper than _.A. you B. your C. yours D. your one Self-checkI. Multiple choices4. This classroom is _th
11、an that one. A. many big B. much big C. many bigger D. much bigger连词成句shorter You your are sister than2 years older Shes me thanheavy you How are big How feet are your How is tall LucyI you stronger am than 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 7Read and write Countryside kntrsad 乡村 Lower l 更低 Shadow d 影子 Smarter sm:t 更聪明 become bkm 成为