1、Unit 1 How tall are you?,第一PPT模板網(wǎng)-WWW.1PPT.COM,PPT模板下載： 行業(yè)PPT模板： 節(jié)日PPT模板： PPT素材下載： PPT背景圖片： PPT圖表下載： 優(yōu)秀PPT下載： PPT教程： Word教程： Excel教程： 資料下載： PPT課件下載： 范文下載： 試卷下載： 教案下載：,tall,taller,old,older,small,smaller,young,younger,strong,stronger,short,shorter,long,longer,big,bigger,Look at the pictures and under

2、stand 看圖并理解,A,B,thin,thinner,heavy,heavier,形容詞比較級,大多數(shù)形容詞和副詞有三個等級： 原級,即原形 比較級,表示“較”；“更”,Grammar,形容詞和副詞的比較級,最高級，表示“最,構(gòu)成的規(guī)則變化: 1. 一般在詞尾加 er eg. cold colder old older,一、形容詞的比較級變化形式,tall - _ 7. small- _ 2. short- _ 8. cool-_ 3. strong-_ 9.cold- _ 4. old - _ 10.warm-_ 5. young-_ 11.deep -_ 6. long - _ 12.

3、light - _,taller,shorter,stronger,older,younger,longer,smaller,cooler,colder,warmer,deeper,lighter,2. 重讀閉音節(jié)詞末尾只有一個輔音字母時, 先雙寫這個輔音字母, 再加-er. big bigger thin thinner 3. 以“輔音字母+ y”結(jié)尾的雙音節(jié)詞，先改y為i, 再加-er。 easy easier happy happier,重讀閉音節(jié)雙寫的練習(xí),big- _ thin- _ fat - _ hot - _ wet - _ sad - _,bigger,thinner,fat

4、ter,hotter,wetter,sadder,以前學(xué)的ing格式也遵守重讀閉音節(jié)要雙寫的原則。如run-running，swim-swimming。,去y為i+er的練習(xí),heavy-_ funny-_ happy-_,heavier,funnier,happier,以前學(xué)習(xí)名詞的復(fù)數(shù)和單三形式時，格式也遵守不發(fā)音的y要去y為i+es的原則。 如butterflies fly-flies,4.多音節(jié)詞和部分雙音節(jié)詞在詞前加 more。 eg. delicious more delicious interesting more interesting serious-more serious

5、,多音節(jié)比較級的練習(xí),多音節(jié)是指大于等于3個音節(jié)的單詞。前面+more（更加），表示更加怎么樣。 beautiful more beautiful excitedmore excited,構(gòu)成的不規(guī)則變化: eg. good / well better bad / badly worse many / much more little less far farther / further,以不發(fā)音的e結(jié)尾,不發(fā)音的e結(jié)尾，或者指單個e結(jié)尾的，不包括發(fā)音的e和字母組合。 large-_ nice -_ fine -_,larger,nicer,finer,綜合練習(xí),tall funny larg

6、e big beautiful good,taller,funnier,larger,bigger,more beautiful,better,1.表示兩者 (人或事物) 的比較。 eg. I am taller than Tom. My dress is more beautiful than hers.,二、形容詞的比較級的用法,Zeng Zhiwei is short.,Pang Changjian is,Pang Changjian is Zeng Zhiwei.,shorter.,shorter than,than 比,Jordan is tall.,Yao Ming is tall

7、er.,Jordan,2.26m,1.98m,Yao Ming is taller than jordan.,Liu Huan is old .,Fei Mao is,Fei Mao is Liu Huan.,80歲,90歲,older .,older than,Lin Xinru is young.,Liu Yifei is,Liu Yifei is Lin Xinru.,18歲,28歲,younger.,younger than,The blue ruler is long.,The red ruler is longer,The red ruler is longer than the

8、blue ruler.,fast,faster,Look at the pictures and understand 看圖并理解,填空題比較級填空,1. A is 10 years old, B is 11 years 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.,younger,taller,heavier,填空題計算,1.A is 23 years

9、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, Zhangpeng is _kg.,(23+4=27) 27,(159-16=143) 143,(43+23=66) 66,我們已經(jīng)初步學(xué)了比較級的運(yùn)用，那么在生活中我們?nèi)绾巫屵\(yùn)用比較級呢?,問年齡： How old are you? 問身高： How tall

10、 are you? 問體重 How heavy are you? 問長短： How long is your leg? 問大?。?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. big

11、gest 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,連詞成句,shorter You your are sister than 2 years older Shes me than heavy you How are big How feet are your How is tall Lucy I you stronger am than me you Are shorter than,Lets talk Lets talk,dans di