TheComparativeandSuperlativeformsofAdjectives形容词的级双音节(yīnjié)或多音节(yīnjié)形容词的比较级：3、少数多音节形容词，特别是y和ow结尾的，在原级和加er和est构成比较级和最高级。happy–happier–happiestnarrow–narrower–narrowest4、有些(yǒuxiē)双音节和单音节形容词，既可以加er或est构成比较级和最高级，也可以加more和most构成比较级和最高级。righthugecalmfreetruefond不规则形容词的比较级和最高级：good/well–better–bestbad/ill–worse–worstlittle–less–leastmany/much–more–mostfar–farther/further–farthest/furthestold–older/elder–oldest/eldest比较级的用法：…than…汤姆比杰克高.这只箱子要比那只箱子大.那些苹果比这些大.第一个问题(wèntí)很容易,但第二个更容易.Moreexamples:Maryisclevererthanherlittlesister.Thenewbuildingishigherthantheoldone.Hisshirtismoreexpensivethanmine.KateismorebeautifulthanLilyis.SheisfiveyearsolderthanIam.Heis2centimeterstallerthanher.Thisruleris20centimeterslongerthanthatone.(2)数量的比较(bǐjiào)我的笔比你的多.我喝的茶比他多.他吃的饭比我少.一班的学生比二班多.3、形容词原级的比较。形容词的原级与as……as连用表示肯定意思(yìsī)，是“和……一样”的意思(yìsī)；与notas/so……as连用表示否定意义，是“不如”或“不一样”的含义。Sheisasprettyashermother.Thebookisasnewasthatone.Thestoryisasinterestingasthatone.Thequestionisnotas/sodifficultasthatone.Mybikeisnotas/sogoodasyours.4、形容词比较级的修饰(xiūshì)。much+形容词的比较级……得多alittle+形容词的比较级……一点Thispenismuchbetterthanthatone.TomisalittleshorterthanhisfriendJim.Todayisalittlecolderthanyesterday.Thebookismuchmoreinterestingthanthatone.5.形容词的比较级+and+形容词的比较级（前后(qiánhòu)形容词是同一个）越来越……Sheisbecomingthinnerandthinner.Ourcountryisbecomingricherandricher.Therearemoreandmorestudentsinourschool.Livingintheworldisbecomingmoreandmoredifficult.6、the+形容词的比较级+……+the+形容词的比较级表示(biǎoshì)“越……，就越……”Themoreyoueat,thefatteryouwillbe.Theharderyoustudy,themoreyouwillget.Thesmallerthehouseis,thelessitwillcost.Thesooner,thebetter.7、the+形容词比较级+of短语(duǎnyǔ)两者中比较……的一个Sheistheprettierofthetwogirls.Thebikeistheolderofthetwo.Hisisthetallerofthetwo.Thisoneisthemorebeautifulofthethetwopicture.形容词最高级的用法(…in…;…of…)那个短发的女孩是我们班最高的.今天是一年中最热的一天.他的房间是三个中最干净的一个(yīꞬè).上海是中国最大的城市.Moreexamples:Heistheyoungestofallthechildren.Thisbookisthemostinterestingofallbooks.Americ