,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,Hello,！,Welcome,to our English class!,Hello！,1,形容词的比较级,形容词的比较级,2,A,B,bigger,smaller,ABbiggersmaller,3,heavier,thinner,heavierthinner,4,shorter,taller,shortertaller,5,形容词原级,形容词比较级,形容词最高级,形容词原级形容词比较级形容词最高级,6,形容词的比较级构成,规则变化,不规则变化,形容词的比较级构成规则变化不规则变化,7,1),一般情况加,er,fast fast,er,high high,er,clever clever,er,直,规则变化,单音节词,和,少数双音节词,1)一般情况加 er 直规则变化单音节词和少数双音,8,2),以字母,e,结尾去掉,e,加,e,r,fine fin,er,late lat,er,nice nic,er,去,2)以字母 e 结尾去掉e加 er 去,9,3),重读闭音节,、,末尾只有一个辅音,字母,时,双写,加,er,fat fat,t,er,big big,g,er,thin thin,n,er,双,3)重读闭音节、末尾只有一个辅音双,10,4),以辅音字母加,y,结尾变,y,为,i,加,er,early earl,i,er,easy eas,i,er,lucky luck,i,er,变,4)以辅音字母加 y 结尾变 y 变,11,三音节，多,音节比较级,用,more,delicious,interesting,beautiful,more,delicious,more,interesting,more,beautiful,多,三音节，多音节比较级用more more delicious,12,二、,形容词比较级,的不规则变化,原级,good,well,bad,ill,many,much,little,far,old,比较级,说明,巧记：,特殊形式比较级,共有三对二合一,坏病两多,并,两好,little,意思不是小,一分为二有两个,一是,老,来二是,远,better,worse,less,more,farther,further,older,elder,二、形容词比较级的不规则变化原级 比较级说明better,13,Exercises,：,good -_,bad/ill -,_,little -_,many/much -_,far -_,-_,old-,_,-_,better,worse,less,more,farther,further,older,elder,clean-_ nice,-_,easy-_,fat,-_,beautiful-,_,cleaner,easier,fatter,more beautiful,nicer,Exercises：good -_ bet,14,用于两者（人或物）之间,，表示,“,一个比另一更,”,结构：,A +,谓语,+,比较级,than B,。,“,Which who is+,比较级，,or?”,一,、形容词比较级的,常用句型,用于两者（人或物）之间，表示“一个比另一更”一、形容,15,Tom,Jerry,Jerry,is,shorter,than,Tom,.,Tom JerryJerry is shorter th,16,big,small,A,B,Ball A is _ _ Ball B.,Ball B is _ _ Ball A.,bigger,than,smaller than,big smallABBall A is _ _,17,U.S.A,Australia,USA is,bigger,than,Australia.,U.S.AAustraliaUSA is bigger th,18,初中英语人教版八年级上册Unit3-形容词的比较级课件,19,.than,后面接代词时，一般要用,主格,，,但在口语中也可以换成,宾格,。,eg:He is,better,at math than,I(me).,他比我更擅长数学。,初中英语人教版八年级上册Unit3-形容词的比较级课件,20,形容词,比,较级前可加数词,，表示“大（小）,多少”“长（短）,多少”,eg:He is,five years younger,than me.,他比我小五岁。,形容词比较级前可加数词，表示“大（小）多少”“长（短,21,表示,倍数时用,:“times,（倍，倍数）,+,比较级,+than,”,eg:My,room is,three times,bigger than yours.,我的房间比你的大三倍。,表示倍数时用:“times（倍，倍数）+比较级+than,22,vegetables,pancake,Which is,more delicious,vegetables,or,pancake,?,表示,两者之间的选择，,“,Which who is+,比较级，,or?”,vegetablespancakeWhich is more,23,（,2,）,“比较级,+and+,比较级”表示,“越来越,”,eg:,The life is,better,and,better,.,（2）“比较级+and+比较级”表示,24,She is,happier,and,happier,.,She is happier and happier.,25,（,3,）,“,The+,比较级,，,the+,比较级”表示“越,，就越,”,eg,：,The busier he is,the happier he feels.,他越忙就越高兴。,（3）“The+比较级，the+比较级”表示“越，,26,(,4,),、,用比较级形式表示最高级的意思,:,比较级,+than any other+,单数,(4)、用比较级形式表示最高级的意思:,27,eg:,Yao ming is,taller than any other boy,in the group.,eg:Yao ming is taller than a,28,二、形容词,原级的常用句型,as+,形容词原形,+as,Xiao xin is,as,tall,as,Kelan.,小新,和柯楠一样,高,。,二、形容词原级的常用句型as+形容词原形+asXiao x,29,否定,not as+,形容词原形,+as,“,和,不一样”,not so+,形容词原形,+as,不及,不如,否定,30,Xiao xin,is,not,as,thin,as,Kenan,.,Kenan,is,not,as,fat,as,Xiao,xin,.,Xiao xin is not as thin as K,31,What do you study today?,What do you study today?,32,形容词的比较级构成,规则变化,不规则变化,形容词的比较级构成规则变化不规则变化,33,等级,用法,句型,例句,比较级,“Which/who is+,比较级，,or?”,Which,is,longer,this one,or,that?,Our school is,larger,than,theirs.,The days are getting,longer and longer.,1,.,表示两者之间的比较,比较级,+than,2.,表,“,越来越,”,，表示本身程度的改变,比较级,+,and,+,比较级,等级用法句型例句“Which/who is+比较级，or,34,等级,用法,句型,例句,比较级,The,smaller,the house is,the less,it will cost us the heat.,He is,taller than,any other,boy in,his class.,3.,表,“,越,越,The+,比较级，,the+,比较级,4.,用比较级形式表示最高级的意思,比较级,+than any other+,单数,The smaller the house is,the,35,等级,用法,句型,例句,原级,1.,表示双方在程度、性质、特征等方面相等时,2.,表示双方不相等时,as,+,原级形容词,/,副词,+,as,not so/as,+,原级,形容词,+,as,Tom,is three times as,old,as,Mike,There are as,many students,in our school as yours.,Jim,is not so/as tall asTom.,等级 用法 句型 例句 1.表示双方在程度、性质、特征等方,36,Exercise Time,Exercise Time,37,Follow ups,(,随堂练习,),1,、,The Changjiang River is _ than any other river in China.,A.shorter B.longer C.shortest D.longest,2,、,Bob never does his homework _ Mary.He makes lots of mistakes,.(,错误,),A,.so,careful,（仔细）,B.as carefully as,B,B,Follow ups(随堂练习)1、The Changjia,38,Follow ups,(,随堂练习,),3,、,_ she is,_ she feels.,A.The more busy,the more happy B.The busy,the happy,C.Busier,happier D.The busier,the happier,4,、,The weather is getting c_,a_ c _,.(,越来越冷,),D D,older,nd,older,Follow ups(随堂练习)3、_ she is,39,6.In our city its,in July,but it is even _in August.,A.hotter;hottest B.hot;hot,C.hotter;hot D.hot;hotter,D,5.The bread is _ than these cakes,A.very delicious B.much delicious,C.more delicious D.as delicious,C,6.In our city its in,40,7.An elephant is,than a tiger.,A.Heavy B.very heavy,C.the heaviest D.heavier,8.Which subject is _,physics(,物理,),or,chemistry,（化学）,?,A.interesting B.most interesting,C.more interesting D.the most interesting,C,D,7.An elephant is th,41,初中英语人教版八年级上册Unit3-形容词的比较级课件,42,Good,better,best,Never let it rest.,Till good is better,And better,best.,好上加好，直到最好；,精益求精，永无止境。,Good,better,best,Never l,43,44,