比较级的详细用法

形容词的比较级,Jackisheavy.,GuoShanshanisheavierthanJack.,Jack,GuoShanshan,LiYongisfunny.,PanChangjiangisfunnierthanLiYong.,LiYong,PanChangjiang,LiuYifeiisthin.,Mr.WangisthinnerthanLiuYifei.,LiuYifei,Mr.Wang,在对两者进行比较时，形容词要采用比较级形式。形容词比较级之后多用than引出比较的对象。即：比较级+than，than后面连接另一个作比较的人或物。,概念及结构,形容词比较级,1.比较级的构成单音节词和少数双音节词，在词尾加er。单音节形容词比较级变化口诀：比较级要变化，一般词尾加er。词尾若有哑音e，直接加r就可以。一般重读闭音节，末尾辅音须双写。辅音字母加y型，变y为i加er。多音节有规则，原形前面加上more。,二、不规则形容词的比较级最高级,注：older一般指年龄大小；Myfatherisolderthanmymother.elder指长幼关系(一般修饰名词作定语);Myelderbrotherisadriver.farther指距离更远；further指抽像的.IwanttostudyEnglishfurther.furtherreading,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_(slow)thanLily.,taller,theyoungest,themost,thebest,slower,改正下列句子中一处的错误。ATomcomestoschoollatethanJim._B.Whichdoyoulikebetter,cats,dogs,orchickens?_C.Whoisoldestinourclass?_D.HethinksmathisimportanterthanChinese._E.Thisworkisveryharderthanthatone._F.Helivesfarerthananyotherstudentinyourclass._,very+原形，very-much,比较级的运用,1.A+be+比较级+thanB。表示“A比B更”eg:IamtallerthanLiLei.Thisroomisbiggerthanthatone.练习：我的自行车比你的新。Mybikeisnewerthanyourbike.Mybikeisnewerthan_.注：比较必须在同类事物之间进行。,yours,比较级中的代替词,1.that：代替前文中的单数名词或不可数名词。eg:Theengineofyourcarisbetterthan_ofmine.ThepopulationofChinaislargerthan_ofAmerica.,theengine,that,thepopulation,that,2.those：代替前文中的人或物的复数名词。eg:Thegirlsinyourclassaremorebeautifulthan_inours.Theearsofarabbitarelongerthan_ofacat.,those,those,2.A+be+数词+名词+比较级+thanB.eg:TomistwoyearsolderthanI.NancyisthreeyearsyoungerthanSam.练习：长江比黄河长1000千米。TheChangjiangRiveris1000_theYellowRiver.姚明比我高1米。Yaomingis1_I.,3.“比较级+and+比较级”表示“越来越，又又”。eg:Itisgettingwarmerandwarmer.Youaretallerandtaller.练习：Inwintertheweatherisgetting_.(越来越冷)Ihopeyouwillbe_.(越来越聪明)Thelifeforusisbecoming_.(越来越好),注：在运用“比较级+and+比较级”时，如果遇到多音节的形容词，如：beautiful，其比较级是morebeautiful，“越来越漂亮”morebeautifulandmorebeautiful，应该表达为：“moreandmorebeautiful”。即：moreandmore+多音节形容词。练习：Thequestionsare_.(越来越难)Thecarsare_.(越来越贵)Computersare_.(越来越重要),4.“The+比较级+主语+动词，the+比较级+主语+动词”表示“越，就越”。eg:Theharderyoustudy,thebetteryouare.Themoreyoueat,thefatteryouare.练习：我们种植越多的树木，空气就会越新鲜。_treesweplant,_(fresh)airwewillhave.,5.相同程度比较的句型：as+形容词或副词原形+as，表示“与一样”。eg:JackisastallasPeter.Thisdressisasespensiveasthatone.HerunsasfastasI.练习：1.Thisbridgeis_(和一样长)thatone.2.Mydadis_(与一样大)mymum.,拓展：A+数词+time(s)+as.as+B。表示“A是B.几倍。”eg:Myhouseisthreetimesasbigasyours.这棵树的高度是那棵树两倍。Thistreeis_thatone.HJX的体重是Mr.Wang的十倍。HJXis_Mr.Wang.,twiceastallas,threetimesasheavyas,A+be+the+形容词比较级ofthetwoA是两者中较,她是两个女孩中较美丽的。Sheisthemorebeautifulofthetwo.,比较级前的修饰语,在英语中常修饰比较级的词有：much,alittle,abit,even,far等。eg:Thesunismuchbiggerthanthemoon.IamalittletallerthanSam.,小贴士：哪些词后用形容词原形1.v