比较级和最高级的用法

Unit3第一课时比较级和最高级的用法形容词比较级一般用在比较两个事物的时候。最高级，顾名思义就是在比较时候，某一事物具有某方面最典型的特征。一、形容词、副词的比较级、最高级的构成规则：1一般在形容词、副词后加上er表示比较级加上est表示最高级原级比较级最高级1）smallsmallsmall2)youngyoungyoung3)fastfastfasteresteresterest2以不发音的e结尾的，只加上r表示比较级，加上st表示最高级。1)largelargelarge2)nicenicenice3)finefinefinerstrstrst3以辅音字母+y结尾的，把消去y,然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）earlyearlyearly2)happyhappyhappyieriestieriest4双写最后一个辅音字母，然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）bigbigbig2)thinthinnerthinnest3)wetwetterwettest4)fatfatterfattest5)hothotterhottestgergest5双音节和多音节的形容词，副词，在这些形容词和副词前加上more表示比较级；加上most表示最高级。原级比较级最高级1)happilyhappilyhappily2)heavilyheavilyheavilymoremostmoremost不规则变化，要多加注意哦！good→→bad→→many→→little→→well→→badly→→much→→far→→betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremost原级比较级最高级fastshortbigthinfunnyheavyathleticexpensivefarfastershorterbiggerthinnerfunnierheaviermoreathleticmoreexpensivefartherfastestshortestbiggestthinnestfunniestheaviestmostathleticmostexpensivefarthestTomisastallasMike.as+形容词原形+asThereareasmanystudentsinourschoolasyours.TomisthreetimesasoldasMike.比较级+than…Thisbridgeislongerthanthatone.Ourschoolislargerthantheirs.比较级的用法：…than…1.汤姆比杰克高.2.这只箱子要比那只箱子大.3.那些苹果比这些大.4.第一个问题很容易,但第二个更容易.TomistallerthanJack.Thisboxisbiggerthanthatone.Thoseapplesarebiggerthantheseones.Thefirstquestionisveryeasy,butthesecondoneiseasier.。1.Whichdoyoulike______(well),applesororanges?2.Whois______(old),JimorTom?3.Jackisrunning_____and______(fast).4.Ourcountryisbecoming______and___________(beautiful).5.Heis________(tall)ofthethetwoboys.betterolderfasterfastermoremorebeatifulthetallerbigbigger◇Lookatthepicturesandunderstand看图并理解◇Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfastfasterfastest◇Lookatthepicturesandunderstand看图并理解ZenZhiweiisshort.TomisshorterthanZenZhiwei.Xiaoxinistheshortestofthem.LiuYifeiisthin.XiaomingisthinnerthanLiuYifei.MikeisthethinnestofallCompetition(写出下列单词的比较级和最高级)•1popular2short3thin4funny5good1popular/morepopular/mostpopular2short/shorter/shortest3thin/thinner/thinnest4funny/funnier/funniest5good/better/best肥肥-沈殿霞100kgheavyheavier180kgtheheaviest220kgMr.WangMr.LiMissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.funnyfunnierthefunniestGeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.250,000RMB.50,000RMB.Thegreencaristhemostexpensive.Theredcatismoreexpensivethanthebike.Thebikeisexpensive.500RMBJimTomStalloneisthemostathleticofthethree.TomismoreathleticthanJim.Jimisathletic.形容词和副词的比较级和最高级的用法及常用句型（1）前者程度超过后者用比较级：A+比较级+than+BHeistallerthanshe.（2）三个或三个以上比较用最高级：A+(the)+最高级+of/in+范围Heisthetallestinhisclass.YaoMingisJordan.Jordanistall.YaoMingistaller.Jordan2.26m1.98mtallerthanZengZhiweiisshort.PangChangjiangisPangChangjiangisZengZhiwei.shorter.shorterthanLiuHuanisheavy.FeiMaoisFeiMaoisLiuHuan.80kg90kgheavier.heavierthanLinXinruisthin.LiuYifeiisLiuYifeiisLinXinru.45kg48kgthinner.thinnerthanmoreoutgoingLiYongisChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.outgoingmoreoutgoingthanathleticChengLongismoreathleticthanLiXiaopeng.LiXiaopengisathletic.ChengLongismoreathletic.moreathleticLilyLucyWho,shairislonger?Lucy'shairislongerthanLily's.Lily'shairislong.Whichgoesfaster,thebikeorthecar?Thecargoesfasterthanthebike.Thebikegoesfast.JennyMaryWhoiscalmer?JennyorMary?MaryiscalmerthanJenny.Jennyiscalm.Whichrunsfaster,thedogorthesheep?Thedogrunsfasterthanthesheep.Thesheeprunsfast.Whoismorebeautiful,thegirlorthenurse?Thenurseismorebeautifulthanthegirl.Thegirlisbeautiful.JimTomWhoismoreathletic?TomismoreathleticthanJim.Jimisathletic.Whichmountainishigher?MountainFujiHuangshanMountain•用所给形容词或副词的适当形式填空：•1Hegetsupalittle________thanI.(early)•2Youdothework_____thanTom.(well)•3Sheismuch______thanherbrother.(short)•4Thispictureis_____________thanthatone.(beautiful)•5Whichis______,thesunorthemoon?(big)•6Jackis___________ofthetwoboys.(clever)earlierbettershortermorebeautifulbiggerthecleverer比较级用法：两者比较，常用句型：A+(much,alittle等修饰词)比较级+than+B•完成句子：•1这个盒子比那个重。•Thisboxis_____________thatone.•2你下次一定要做得更好。•Youmust__________nexttime.•3他学习比他的哥哥努力得多。•Hestudies_________________hisbrother.•4.谁想去最远的那个公园?•Whowantstogoto__________park?heavierthandobettermuchharderthanthefarthest