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形容词和副词的比较级与最高级1.Thefirstmooncakeissmall.2.Thesecondmooncakeissmallerthanthefirstone.smallsmallersmallest3.Thethirdmooncakeisthesmallestofall.1.Thefirstmooncakeischeap.2.Thesecondmooncakeischeaperthanthefirstone.¥5cheapcheaper¥3cheapest3.Thethirdmooncakeisthecheapestofall.¥8形容词比较级最高级规则变化（单音节词和少数双音节词）1.一般情况下，直接+er/esteg：coldstrongfastslowExercise1.small2.high3.warm4.short5.cold6.strongnicenicernicest1.Themooncakeinpicture1isnice.2.Themooncakeinpicture2isnicer.3.Themooncakeinpicture3isthenicest.形容词比较级最高级规则变化（单音节词和少数双音节词）2.以e结尾+r/steg：nicelargepoliteExercise1.nice2.large3.fine4.simple5.strange6.wise1.Thegreenorangesarebig.2.Theorangeonesarebigger.3.Theredonesarethebiggestofall.bigbiggerbiggest形容词比较级最高级规则变化（单音节词和少数双音节词）3.以辅音字母结尾的重读闭音节，应先双写末尾辅音字母+er/esteg:thinfatbigExercise1.hot2.big3.thin4.fat5.wet6.sad1.Thepigisheavy.2.Thebearisheavierthanthepig.3.Theelephantistheheaviestofall.heavyheavierheaviest4.以“辅音字母+y”结尾的双音节词，先改“y”为“i”,+er/esteg:funnyeasy形容词比较级最高级规则变化（单音节词和少数双音节词）Exercise1.funny2.happy3.hungry4.dry5.friendly6.luckyJimTom3.Stalloneisthemostathleticofthem.2.TomismoreathleticthanJim.1.Jimisathletic.Stallone250,000yuan50,000yuan3.Thegreencaristhemostexpensiveamongallthecars.2.Theredcarismoreexpensivethanthebike.1.Thebikeisexpensive.500yuan5.多音节词和部分双音节词，在词前加more/mosteg:beautifulseriousactivecareful形容词比较级最高级规则变化（其他双音节词和多音节词）Exercise1.active2.beautiful3.effective4.difficult5.honest6.careful副词比较级最高级规则变化1.单音节和少数双音节词用加词尾的方法（变化规则同形容词）eg：hard-harder-hardestfast-faster-fastestearly-earlier-earliest2.大部分多音节词和双音节词，在词前加more/mosteg:quicklystronglycarefullyefficiently形容词和副词比较级和最高级的构成1、规则变化构成方法原级比较级最高级单音节词和少数多音节词1.一般在词尾加-er/ə/或-est/ist/fastfasterfastest2.以字母e结尾的形容词，加-r或-stnicenicernicest3.重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-es或-estbigbiggerbiggest4.以“辅音字母+y”结尾的双音节词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词5.在词前加more或mosttiredmoretiredmosttiredeasilymoreeasilymosteasily1.Thecinemaisfarfrommyhome.2.Thebookstoreisfartherfrommyhome.3.Thesupermarketisthefarthestfrommyhome.Myhousesupermarketbookstorecinemafarthestfartherfar不规则变化good/well–better-bestmuch/many–more-mostbad/badly/ill–worse–worstlittle–less–leastfar–farther/further–farthest/furthestold–older/elder–oldest/eldest两个好，两个坏，两个多；一个小又少，还有一远和一老。biglittlecoldhotwarmcoollongshortlatemuchpopularbiggerbiggestlessleastcoldercoldesthotterhottestwarmerwarmestcoolercoolestlongerlongestshortershortestlaterlatestmoremostmorepopularthemostpopularcheapwideeasynicethinfatbusyearlylargefinedeliciouscheapercheapestwiderwidesteasiereasiestnicernicestthinnerthinnestfatterfattestbusierbusiestearlierearliestlargerlargestfinerfinestmoredeliciousmostdelicious比较级的修饰语eg.Herunsmuchfasterthanshe.1.表示两者之间的比较，常用“比较级+than”结构，可以用下列程度副词修饰：①much/alot/far（多）②abit/alittle（一点儿）③still（仍然，更）④rather（相当）⑤slightly(稍微）⑥any（稍微，少许）⑦even（甚至）2.比较级还可以用年龄、倍数等词组修饰。eg.Themountainis3timeshigherthanthatone.表示比较的几种基本句型1.A=B（程度相同）；as…as…①HeisastallasTom.他和Tom一样高。②HerunsasfastasTom.他跑的和Tom一样快。2.AB(表示A不如B)①notas/so…as…I’mnotastallashim.我不如他高。②less…than…Thisbookislessimportantthanthatone.这本书不如那本书重要。3.AB(表示A超过B)；…比较级than…①Heistallerthanme.他比我高。②Heworksharderthanme.他比我努力。注：在比较状语从句中常省略某些部分,但比较对象的成分不能省。TheroadsinBeijingarewiderthanthoseinGuangzhou.（those指代theroads）4.比较级+and+比较级,表示“越来越…”Ourcityisbecomingmoreandmorebeautiful.我们的城市变得越来越美丽。5.the+比较级,the+比较级表示“越...,越...Thebusierheis,thehappierhefeels.他越忙，他就越感到开心。1.比较级+and+比较级越来越…2.the+比较级,the+比较级越…,越…3._________________youare,___________mistakesyouwillmake.(你越仔细，做错的题目就越少）4.________________youeat,_____________you’llbe.(你吃得越多,就越胖)5.Alicewriteswell.Marywrites_________________thanshe.(甚至更好）ThemorecarefulthefewerThemorethefatter1.Thegirlbecomes＿＿_____________________.(越来越漂亮）moreandmorebeautiful2.Theweatherisgetting______________________.(越来越槽糕）worseandworseeven/stillbetter6.比较级+thananyother+单数名词,表示“比其他的任何…都”Heisbetterthananyotherstudentintheclass.(Heisthebeststudentintheclass.)在他班里，比任何学生都好。（他是最好的。）7.the+比较级+ofthetwo表示“两个中比较…的”Heisthebetterofthetwo.他是两个人中比较好的。8.三者或三者以上作比较,用最高级the+最高级+比较范围（in/of…）.Heisthebusiestinhisfamily.他是他们家最忙的。9.oneof+最高级,表示“……是最……之一”Ourcityisoneofthesafestcitiesintheworld.我们的城市是世界上最安全的城市之一。用所给的形容词副词的适当形式填空。1.Tomis____(tall)thanJim.2.LiLeiis____________(young)boyinhisclass.3.Davidhas________(many)storybooksofallthestudents.4.LiLeispeaksEnglish_______(well)inhisgroup.5.Lucyruns__________(slowly)thanLily.tallertheyoungestthemostthebestmoreslowly改正下列句子中一处的错误。A．TomcomestoschoollatethanJim._____B.Whichdoyoulikebetter,cats,dogs,orchickens?_____C.Whoisoldestinourclass?_____D.HethinksmathisimportanterthanChinese.______E.Thisworkisveryharderthanthatone.________F.Helivesfarerthananyotherstudentinyourclass._______laterbesttheoldestthemostimportantmuchfarther1.Itis_______inthesouththaninthenorth.(warm)2.Thatquestionis____________thanthisone.(difficult)3.Shefeltillyesterdayandshefeelseven_______today.(ill)4.Heismuch_______thanhisyoungerbrother.(young)5.Lilyis__________ofthetwo.(young)6.Tomis________ofthetwins.(tall)7.Whichdoyouthinktastes________,thechickenorthefish