小学形容词副词的比较级和最高级

形容词副词的比较级最高级变化【知识精讲】1．形容词与副词的区别(有be用形，有形用be；有动用副，有副用动)⑴在句子中形容词一般处于名词之前或be动词之后⑵副词在句子中最常见的是处于实义动词之后2.形容词、副词的比较级和最高级的用法：当两种物体之间相互比较时，我们要用形容词或副词的比较级；当相互比较的物体是三个或三个以上时，用形容词或副词的最高级。比较级二者比较，标志词：than最高级三者以上比较，标志词：the形容词、副词的比较级和最高级的变化规律：1.单音节形容词或副词后面直接加-er或-esttall—taller—tallestfast—faster—fastest2.以-e结尾的单音节形容词或副词直接加-r或-stlarge—larger—largestnice—nicer—nicest3.以-y结尾的形容词或副词，改-y为-i再加-er或-estbusy—busier—busiestearly—earlier—earliest4.形容词或副词是重读闭音节时，双写最后的辅音字母，再加-er或-esthot—hotter—hottest5.多音节形容词或副词前面直接加more或mostbeautiful—morebeautiful—mostbeautiful6.以ly结尾的副词一般加more或mostslowly—moreslowly—mostslowly7.不规则变化good(well)-better-bestbad(badly)-worse-worstlittle-less-leastfar-farther-furthermany（much）-more–most形容词、副词的比较级和最高级用法：比较级：1、形容词：物体A+am/are/is+形容词比较级+than+物体BIamtallerthanyou.Thispictureismorebeautifulthanthatone.2、副词：物体A+行为动词+副词比较级+than+物体B.Hestudiesbetterthanme.最高级：1、形容词：物体A+am/are/is+the+形容词最高级+比较范围（of+人/物，in+地方）.Iamthetallestintheclass.ShanghaiisoneofthebiggestcitiesinChina.2、副词：物体A+行为动词+副词最高级+比较范围（of+人/物，in+地方）.Cheetahsrunfastestintheworld.Hestudiesbestofus.表示两者对比相同：主语+谓语+as+形容词/副词原形+as+从句（和...一样…）Thisboxisasbigasmine.Thiscoatisnotso/ascheapasthatone.IstudyEnglishashardasmybrother.【例题讲解】根据句意填入单词的正确形式。1.Mybrotheristwoyears_________(old)thanme.2.Isyoursister_________(young)thanyou?Yes,sheis.3.Does_____(she)mothergetup__________(early)than______(you)?4.Whicheats_____(many),themouse,thedogorthehorse?5.Are______(we)goingtoplayfootballwith______(they)?6.Benjumps________(high)thansomeoftheboys．7.DoesNancysing__________(well)thanHelen?【举一反三】写出下列形容词或副词的比较级old__________young________tall_______long________short________strong________big________small_______写出下列形容词或副词的最高级fat_________thin__________heavy______light________nice_________good_________beautiful__________________.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.Thegardenisbecoming______.A.morebeautifulandmoreB.morebeautifulandbeautifulC.moreandmorebeautifulD.morebeautifulandbeautifuler比赛A.thefastestandbestB.thefasterandthebetterC.fastestandbetterD.fasterandbetter【综合练习】，themoonortheearth?3.Thismooncakeis_______________(cheap)ofall.4.Heis______________(strong)intheclass.5.Englishis____________(widely)spokenintheworld.翻译句子1本书跟那本书一样有趣Thisbookis_______________thatone.2你游泳没有你弟弟好Youcan’tswim_______________yourbrother.3今天比昨天冷的多Itis___________today______itwasyesterday.4.他对英语越来越感兴趣Heisbecoming_____________________________English.5.他吃的越多,人越胖Themoreheeats,the_______hegets.