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1、形容词和副词的比较级和最高级形容词和副词有三个等级：1.原级2.比较级，表示“比……”或“更……一些”3.最高级，表示“最……tallshortLiuXiangis___________YaoMing.YaoMingis_________LiuXiang.shorterthantallerthanLinXinruisthin.LiuYifeiisthinner.LiuYifeiisthinnerthanLinXinru.45kg48kg￥40￥20￥10ischeap.MovieWorldRedstarCinemaischeaper.isthecheape
2、st.ScreenCityThisappleisthebiggestofall.bigbigger一、形容词和副词的比较级和最高级1.变化规则⑴单音节词和少数双音节词：①一般比较级加“–er”，最高级加“–est”fast→faster→fastestclever→cleverer→cleverest②以e结尾的词比较级加“–r，最高级加-st”late→later→latest③以辅音字母加y结尾的双音节词，先变y为i，比较级加“–r，最高级加-st”easy→easier→easiest④以“辅+元+辅”结尾并且元音重读的词，先双写最后一个辅音字母，比
3、较级加“–er，最高级加-est”thin→thinner→thinnest⑵多音节词和部分双音节词，在原级前比较级加more,最高级加mostbeautiful→morebeautiful→mostbeautiful2.特殊变化的词good/well→better→bestlittle→less→leastbad/badly/ill→worse→worstmany/much→more→mostfar→farther/further→farthest/furthestold→older/elder→oldest/eldest3.比较级的用法（两个之间的比较
4、）(1).在than前用比较级，eg:Todayissunnierthanyesterday.(2).Whoisshorter(short),TomorBob?(3).比较级and比较级：越来越……eg:moreandmorebeautiful(3).The+比较级+其他，The+比较级+其他：越……就越……eg:ThebetterIknewhim,themoreIlikedhim.(4).as…as“与…一样”,notas/so…as….“不如…”中间要形容词、副词的原形。（aswell/goodas）eg:Thestoryisasinteresting
5、asthatone.Tomisn’tastallasyou.(5).比较级前可用alittle,abit,much,many,alot,far,even,still,等不定量的词修饰。如：Muchbigger,evenworse,manymorebooks,alittleearlier.最高级的用法（三个或三个以上做比较）形容词最高级前一般要加“the”，但前有my,your,first,last等修饰时不用“the”。Eg:Themostbeautifulvoiceintheworld.Jimismybestfriend.(1).Whoisthetall
6、est,Yaoming,YijinlianorSunyue.(tall)(2).The+最高级+of/in+范围（三个或以上）eg:Tomisthetallestofthethreestudents.(3).Oneof+最高级+名词的复数。“最…之一”Bobisoneofthebeststudents.Exercises写出下列单词的比较级和最高级。funnyquietserioussmartoutgoingquicklyfunnierfunniestquieterquietestmoreseriousmostserioussmartersmartestm
7、oreoutgoingmostoutgoingmorequicklymostoutgoinggoodnicebigmanylittleoldolderoldesteldereldestbetterbestnicernicestbiggerbiggestmoremostlessleast1.Lilyis_______(heavy)thanLucy.AndLucyis_______(thin)thanLily.2.Ihave_______(short)hairthanTina.3.Tomis_________________(hard-working)than
8、Tim.4.Mybrotherisas________(serio
