八年级上册比较级

八年级上形容词与副词的比较级与最高级姓名：得分：（一）规则变化：1．绝大多数的单音节和少数双音节词，加词尾-er，-esttall—taller—tallest2．以不发音的e结尾的单音节词和少数以-le结尾的双音节词只加-r，-stnice—nicer—nicest,able—abler—ablest3．以一个辅音字母结尾的重读闭音节词或少数双音节词，双写结尾的辅音字母，再加-er，-estbig—bigger—biggest4．以辅音字母加y结尾的双音节词，改y为i再加-er，-esteasy—easier—easiest5．少数以-er，-ow结尾的双音节词末尾加-er，-estclever—cleverer—cleverest,narrow—narrower—narrowest6．其他双音节词和多音节词，在前面加more，most来构成比较级和最高级easily—moreeasily—mosteasily（二）不规则变化常见的有：good/well—better—best;bad(ly)/ill—worse—worst;old—older/elder—oldest/eldestmany/much—more—most;little—less—leastfar—farther/further—farthest/furthest;用法：1．原级比较：as+adj./adv.+as（否定为notso/as+adj./adv.+as）当as…as中间有名字时，采用as+adj.+a+n.或as+many/much+n.Thisisasgoodanexampleastheotheris.Icancarryasmuchpaperasyoucan.表示倍数的词或其他程度副词做修饰语时放在as的前面Thisroomistwiceasbigasthatone.倍数+as+adj.+as=倍数+the+n.+ofYourroomistwiceaslargerasmine.=Yourroomistwicethesizeofmine.2．比较级+than比较级前可加程度状语much,still,even,far,alot,alittle,threeyears.fivetimes,20%等HeisthreeyearsolderthanI(am).表示“（两个中）较……的那个”时，比较级前常加the（后面有名字时前面才能加冠词）1）Heisthetallerofthetwobrothers./2）Heistallerthanhistwobrothers.3）Whichislarger,CanadaorAustralia?/4）Whichisthelargercountry,CanadaorAustralia?可用比较级形式表示最高级概念，关键是要用或或否定词等把一事物（或人）与其他同类事物（或人）相分离Heistallerthananyotherboy/anybodyelse.Nobodyistallerthanhim.比较对象相同时，可用that,those等代词代替第二个比较对象TheweatherinShanghaiisbetterthanthatinWuhan.比较级+than与notso/as+adj./adv.+as的相互转换Mariaisnotso/asbraveasHelen.=HelenisbraverthanMaria.Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.3．“比较级+and+比较级”表示“越来越……”（加more构成比较形式的，只重复more，不重复原形容词或副词colderandcolder,moreandmorebeautiful4．“the+比较级（……），the+比较级（……）”表示“越……，越……”Theearlieryoustart,thesooneryouwillbeback.5．降级比较用“the+原级形容词或副词（不论是单音节还是多音节的）+than从句”Todayislesscoldthanyesterday.6．一些特殊比较词组：nomorethan不过，仅仅；同……一样不能notmorethan至多，不超过nolessthan多达，有……之多（加数字）（强调数量之多，带有感情色彩）；一样，不亚于，恰好notlessthan不少于（加数字）（无强调多少之意）7．the+最高级+比较范围（in表示环境范围；of或among表示对象范围）Heisthetallestof/amongtheboys.Heisthetallestinhisclass.最高级前不加the情况：①作表语的形容词最高级前，如果不是和别人（或别物）相比，常不加theWearebusiestonMonday.②形容词最高级前有物主代词时，不再加theWangHaiismybestfriend.③最高级形式有时并不表示最高级概念，它只表示非常或“在很大程度上”，这时前边一般不加theIt’samostimportantquestion.=It’saveryimportantquestion.（一）写出下列形容词与副词的比较级与最高级形式：long___________wide_____________fat_________heavy__________slow_____________few_________brightly______-_____bably____________far_________quickly___________happy_____-______unhappy________(二)用所给词的正确形式填空：1.Ofthetwogirls,IfindLucythe_______(clever).2.Gold(黄金)is______(little)usefulthaniron(铁).3.Mysisteristwoyears_______(old)thanI.4.John’sparentshavefourdaughters,andsheisthe_____(young)child.5.The_____(cheap)bagsarethenotusuallythebestones.6.Theshortoneisbyfar_______expensiveofthefive.7.Theboyisnotso______(interesting)ashisbrother.(三)选择填空：1．Hefeels_____todaythanyesterday.A.tiredB.moretiredC.moretirederD.muchtired2.Whichdoyoulike_____,coffee,teaormilk?A.theworstB.worseC.theworseD.worst3.Ofthetwotoys,thechildchose_____.A.theexpensiveoneB.onemostexpensiveC.aleastexpensiveD.themostexpensiveofthem4.Thelineis____thanthatone.A.morelongerB.notlongerC.muchmorelongerD.manymorelonger5.Theearthis_____themoon.A.as49timesbigasB.49timesasbiggerasC.49timesasbigasD.asbigas49times