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,空白演示,在此输入您的封面副标题,Grammar,Thebikeis_.,Thetractoris_,.,Thecaris_.,fast,faster,thefastest,Comparethem,Theblackandwhitepandais,thehappiest,ofthethree,.,Theyellowdogis,still,happier,.,Thewhitedogis,very,happy,.,Comparethem,Thefirstpigis,quite,fat,.,Thesecondpigis,much,fatter,.,Thethirdpigis,thefattest,ofall,.,Comparethem,Comparatives(比较级),Weusethemtocompare_things/peopleandadd_afterthem.,B.Superlatives(最高级),Weusethemtocompare,_things/peopleand,add_or_beforethem.,ReadandLearn!,two,than,threeormore,the,ones,Comparatives(比较级),比较级用于比较,两个,人,/事物,;比较级后通常出现,”,than”.,B.Superlatives(最高级),最高级通常用语比较,三个或三个,以上,人,/事物,;最高级前要用,the,或,ones,连接,比较级和最高级的用法,比较级和最高级的构成,￥,1.50,￥,1.00,￥,0.80,cheap,cheap,er,cheap,est,Rule1:_,_,单音节词或部分双音节词,一般在词尾加-er或-est,比较级和最高级的构成,nice,nice,r,nice,st,Rule2:_,以,e结尾的词直接加-r或-st,比较级和最高级的构成,heavy,heav,ier,heav,iest,50kg,100kg,200kg,Rule3:_,_,以辅音字母+y结尾的双音节词,变y为i,再+er或+est,比较级和最高级的构成,big,big,ger,big,gest,50kg,Rule4:_,_,_,一般情况下,以辅元辅结尾的形容词,要双写最后一个字母,再+er或+est,比较级和最高级的构成,beautiful,more,beautiful,most,beautiful,Rule5:_,_,多音节词和部分双音节词,在该形容词原形前加more或most,interesting,-,more,-,most,important,-,more,-,most,dangerous,-,more,-,most,careful/generous/handsome,*一般情况下，以-ly或-ed结尾的adj.,friendly/lovely,tired,以形容词+ly结尾的副词,比较级用more最高级用most,slowly-,more,slowly-,most,slowly,quickly-,more,quickly-,most,quickly,carefully-,more,carefully,most,nicely,more,nicely,most,nicely,quietly-,more,quietly,most,quietly,比较级和最高级的构成,Rule6:,不规则变化,good,betterbest,ill/bad/badly,worseworst,many/much,moremost,little,lessleast,far,fartherfarthest,further-furthest,Letspractise!,Adjective,Comparative,Superlative,1.,funny,2.,good,3.,happy,4.,interesting,5.,large,6.,smart,7.,thin,funn,ier,funn,iest,better,best,happ,ier,happ,iest,more,interesting,most,interesting,large,r,large,st,smart,er,smart,est,thi,nn,er,thi,nn,est,P12A,Model:Donaldis_(neat)Sam.,neaterthan,1.Janeis_(tall)Amy.,2.Carlis_(heavy)Jack.,3.Iam_(fat)Betty.,4.Thepieis_(good)thecake.,5.Julieis_(thin)John.,6.Herparentsarent_(rich)his.,7.Myhomeisnt_(far)hers.,tallerthan,heavierthan,fatterthan,betterthan,thinnerthan,richerthan,fartherthan,Model:,Brianis_(smart)personIknow.,thesmartest,1.Marvinis_(clever)boy.,2.Uncleis_(interesting)personinourfamily.,3.Wehave_(large)roominthebuilding.,4.Melis_(lazy)studentofall.,thecleverest,themostinteresting,thelargest,thelaziest,adj./adv.比较级用法,1.表一方超过另一方用“比较级+than”,2.表一方随另一方变化而变化(越,越):,“,the+比较级,(+主+谓),the+比较级,(+主+谓)”,eg.1)越高越坏。,2)越晚越危险。,Thehigher,theworse,.,Thelater,the,moredangerous,.,adj./adv.比较级用法,3.表本身程度变化(越来越):,比较级,+,and,+比较级,eg.1)他的鞋子越来越脏。,2)衣服越来越贵。,3)她们跳得越来越美。,Hisshoesare,dirt,ier,anddirt,ier,.,more+,and,more,+原级,只用于以,“,more,”,构成比较级的词,Clothesare,moreandmoreexpensive,.,Theydance,moreandmorebeautifully,.,adj./adv.比较级用法,4.“,the+比较级+of,两者,”,表示“在两者中较,”,eg.Lilyis_(short)ofthe,twogirls.,theshorter,5.为免重复，在than后常用one(s),that,those等词来替代前面提到过的名词。,eg.Theweatherthereisbetterthan_inNanjing.,A.oneB.itC.thatD.those,adj./adv.比较级用法,6.在比较级前可用,much,even,alittle,alot,等来修饰,eg.Nowtheairinourhometownis_thanitwasbefore.,A.muchbetterB.moreworse,C.morebetterD.muchworst,eg.Heraneven_(happy)atthattime.,morehappily,adj./adv.比较级用法,7.同义句：,比较级,+than,anyother,+,单数名词,=比较级+than,theother,+,复数名词,=最高级+范围,eg.Springisthebestseasonoftheyear.,=Springisbetter_seasonoftheyear.,=Springisbetter_seasonsoftheyear.,than,any,other,than,the,other,最高级/比较级/同级比较的相互转换：,ShanghaiisthebiggestcityinChina.,=Shanghaiis,biggerthananyother,city,inChina.,=Shanghaiis,biggerthantheother,cities,inChina.,Lucyisthemostinterestingstudentinourclass.,=Lucyis,moreinterestingthananyother,student,inourclass.,=Lucyis,moreinterestingthantheother,students,inourclass.,adj./adv.最高级用法,1.三者或以上相比,表示最高程度用,“,the+最高级,”,adv.最高级可省略the,*最高级后常有介词短语(of/among/in)来表示范围。,adj.最高级也可用ones替代the,adj./adv.最高级用法,2.oneof+the+最高级+复数名词,表示“最,之一”,eg.Thehairclipisoneof_(pretty)amongthoseones.,Hewasoneof_(fast)_(swim)ofall.,the,prettiest,the,fastest,swimmer,s,eg.ChangjiangisshorterthanHuanghe,butlongerthantheotherriversinChina.,=Changjiangis_riverinChina.,adj./adv.最高级用法,4.thesecond/third/fourth+最高级,表示“第几,”,eg.Millieisthe,third,_(tall)inherclass.,tallest,the,second,longest,1.最高级用于三者及三者以上。,2.形容词的最高级前要用,定冠词the,。,3.,in,+范围、,of/among,+同范畴的词,in,myschool,in,theworld,of,thethree.,among,alltheboys,Attentions,Heis,thetallest,intheclass,.,Sheis,thebest,ofallthestudents,.,Simonis_(tall)Kitty.,Peteris_(tall)student,of,thesixstudents.,Sandyis_(heavy)Millie.,Peteris_(heavy)student,of,thesixstudents.,Among,thesixstudents,Millieis_(slow)swimmer.,tallerthan,thetallest,heavierthan,theheaviest,theslowest,Report,6.Amyis_(fast)swimmer,of,thesixstudents.,7.Milliesdrawingis_(beautiful)Peters.,Sandysdrawingis_(beautiful),in,herclass,.,MilliesEnglishis_(good)Simons.MilliesEnglishis_(good),in,herclass,.,morebeautifulthan,themostbeautiful,thefastest,betterthan,thebest,Report可通过小组活动完成并汇报展示。,1.修饰原级：,very,quite,so,such,muchtoo,too,2.修饰比较级：,much,far,even,toomuch,alittle,abit,3.易混淆的两个句型：,Heis,thetallest,(tall)ofthe,3students,.,Heis,thetaller,(tall)ofthe,2students,.,4.重要的句型转换：,Heis,thetallest,inourcl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