单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Chapter 4 Computer Technology,Language:形容词比较级和最高级,Chapter 4 Computer TechnologyL,1,学习目标,The comparative and superlative of adjectives,形容词比较级和最高级,英语中有时需要对两者或多者进行比较，,这时就需要用形容词的比较等级。,比较等级分为：,原级:cheap expensive,比较级:cheap,er,more,expensive,最高级:cheap,est,the,most,expensive,学习目标The comparative and supe,2,Xi Yangyang always thinks of good idea to beat Hui Tailang.,Xi Yangyang is _(clever)than Hui Tailang.,Look and say,cleverer,Xi Yangyang always thinks of g,3,Look and say,Tom,Peter,Tom is fatter than Peter.,Tom is _,heavier,than Peter.,much,Look and sayTomPeterTom is fat,4,Most Young people like Jay Zhou,but only a few people know about Fang D atong.,Jay Zhou is _(famous)than Fang Datong.,Look and say,more famous,Most Young people like Jay Zho,5,The dog is,bigger than,the mouse.,The horse is,the,biggest,of all,.,The boy is,younger than,the man.,The baby is,the youngest of the three,.,big,bigger,biggest,young younger,youngest,Look and say,The dog is bigger than the mou,6,Jim,Li Lei,Tom,Li Lei is,taller than,Tom.,Jim is,the tallest of all,.,￥30,￥20,￥10,The yellow coat is,cheaper than,the purple one.,The brown coat is,the cheapest of,the three,.,Look and say,JimLi LeiTomLi Lei is taller t,7,Please sum up the rules!,（,我们来总结一下规律吧！,）,Please sum up the rules!,8,形容词比较级和最高级的构成：,单音节形容词的构成方法,原级,比较级,最高级,一般在词尾加,-,er,或,-,est,tall,tall,er,tall,est,以字母,e,结尾的单词后加,-,r,或,-,st,nice,fine,nice,r,fine,r,nice,st,fine,st,以“辅音字母,+y”,结尾的双音节词，先改,y,为,i,再加,-,er,或,-,est,early,heavy,earl,ier,heav,ier,earl,iest,heav,iest,规则变化,形容词比较级和最高级的构成：单音节形容词的构成方法原级比较级,9,more,useful,more,beautiful,thi,nn,er,bi,gg,er,ho,tt,er,most,useful,most,beautiful,thi,nn,est,bi,gg,est,ho,tt,est,useful,beautiful,多,音节词,或少数,双音节词,，在词,前加,more,或,most,thin,big,hot,重读闭音节词尾,只有一个辅音字,母时，应先,双写,这个辅音字母，,再加,-,er,或,-,est,more usefulmorebeautifulthinne,10,形容词比较级和最高级公开课-课件,11,Shenzhen is my home.It develops in a quick,way.It used to be a small village.Now it is,much _,(big),than before.The roads are _,_(wide),.,T,he,streets,are _,(clean),.The buildings are _,(new),and _,(high),.We can see trees everywhere.I think Shenzhen is,one of,_,(beautiful),cities in China.I,love Shenzhen,.,bigger,wider,cleaner,higher,newer,the most beautiful,Look at the two pictures,say sth.,about Shenzhen now.,Past,Now,Task One:,Shenzhen is my home.It develo,12,Task Two:Work in pairs(Oral practice),A,(small),a bee,a butterfly,or an ant?,B,(valuable),iron,silver,or gold?,Task:,S1 asks the questions.S2 gives the answers.,S2 asks the questions.S1 gives the answers.,2.Share your dialogue in class.,E,(fast),a rocket,a plane,or a train?,C,(hot),the North Pole,the South Pole or the Gobi Desert?,D,(heavy),a bear,a whale or an elephant?,Example:(big)Earth,the moon or the sun?,S1:Which is the biggest,Earth,the moon or the sun?,S2:The sun is the biggest.,Task Two:Work in pairs(Oral p,13,A:,S1:Which is the smallest,a bee,a butterfly or,an ant?,S2:An ant is the smallest.,B:,S1:Which is the most valuable,iron,silver or gold?,S2:Gold is the most valuable.,C:,S1:Which is the hottest,the North Pole,the South Pole or the Gobi Desert?,S2:The Gobi Desert is the hottest.,A:S1:Which is the smallest,a,14,D:,S1:Which is the heaviest,a bear,a whale or,an elephant?,S2:A whale is the heaviest.,E:,S1:Which is the fastest,a rocket,a plane,or a train?,S2:A rocket is the fastest.,D:S1:Which is the heaviest,a,15,Name,Height,Weight,Age,Ken,165cm,50kg,14,Tim,175cm,60kg,12,Peter,180cm,59kg,16,John,195cm,65kg,18,S1:Who is,taller,_ or_?,S2:_ is taller.,S2:Who is the,tallest,_,_ or,_?(_,_,_ or_?),S3:_ is the tallest.,S3:Who is,taller,_ or_?,S4:_ is taller.,S4:Who is the,tallest,_,_ or,_?(_,_,_ or_?),S1:_ is the tallest,Example:,Make up dialogue,according to the table.,An example is given.,Task Three:Group work,Task:,S1S2S3S4S1,2.Share your dialogue in class.,NameHeightWeight AgeKen165cm50,16,Exercise,Task Four,ExerciseTask Four,17,cheap _ _ high_ _,cute_ _ fat _ _,big _ _ pretty _ _,expensive _ _,interesting _ _,cheap,er,cheap,est,high,er,high,est,cut,er,cut,est,fat,ter,fat,test,big,ger,big,gest,pret,tier,pret,tiest,more,expensive,most,expensive,more,interesting,most,interesting,I.,写出下列形容词的比较级和最高级：,cheap _ _ high_,18,A friend is easier lost than found.,2.Enough is as good as a feast.,3.Better to do well than to say well.,4.Better the last smile than the first laughter.,“比较”出来的英语,朋友易失不易得。,知足常乐。,说得好不如做得好。,宁可最后微笑，不可首先狂喜。,II.英译中,A friend is easier lost than f,19,5.Doing is better than saying.,6.Two heads are better than one.,7.Good to begin well,better to end well.,8.An eye finds more truth than two ears.,会说不如会做。,两人智慧胜一人。,善始好，善终更佳。,百闻不如一见。,“比较”出来的英语,5.Doing is better than saying,20,III.,Please correct the following wrong sentences,(改正下列错句）,.,1.Books are cheapest than computers.,_,2.Computers are expensiver than books.,_,3.Tom is the heavier student in the class.,_,4.This orange is biger than that one.,_,5.This book is the interestingest in the library.,_,Computers,are mor