人教版八年级英语下第六单元课件

形容词比较级与最高级thinfat/heavysmartoutgoingfunnyshorttalltallathleticquietserious擅长运动的强健的严肃的庄重的文静的YaoMingisJordan.Jordanistall.YaoMingistaller.Jordan2.26m1.98mtallerthanZengZhiweiisshort.PangChangjianisPangChangjianisZengZhiwei.shorter.shorterthanLiuHuanisheavy.FeiMaoisFeiMaoisLiuHuan.80kg90kgheavier.heavierthanLinXinruisthin.LiuYifeiisLiuYifeiisLinXinru.45kg48kgthinner.thinnerthanmoreoutgoingLiYongisChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.outgoingmoreoutgoingthanathleticChengLongismoreathleticthanLiXiaopeng.LiXiaopengisathletic.ChengLongismoreathletic.moreathleticfunny,serious,smart,calm,wild,big,fat,outgoing,athletic,dirty,heavy,thin,tallsmallereasierhottermoreinterestingsmarterfunnierheavierdirtierbiggerthinnerfattermoreoutgoingmoreseriousmoreathleticcalmerwildertaller形容词比较级规则变化1.一般在词尾加-ereg：coldstrongfastslow2.以字母e结尾的形容词，加-reg：nicelarge3.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-ereg:thinfat4.以“辅音字母+y”结尾的双音节词，先改“y”为“i”,再加-ereg:funnyeasy5.多音节词和部分双音节词，在词前加moreeg:beautifulseriousbigbig◇Lookatthepicturesandunderstand看图并理解bigbigger◇Lookatthepicturesandunderstand看图并理解◇Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfast◇Lookatthepicturesandunderstand看图并理解fastfaster◇Lookatthepicturesandunderstand看图并理解fastfasterfastest◇Lookatthepicturesandunderstand看图并理解Thegreenorangesarebig.Theorangeonesarebigger.Theredonesarethebiggestofall.ZenZhiweiisshort.TomisshorterthanZenZhiwei.Xiaoxinistheshortestofthem.LiuYifeiisthin.XiaomingisthinnerthanLiuYifei.Mikeisthethinnestofall肥肥-沈殿霞100kgheavyheavier180kgtheheaviest220kgMr.WangMr.LiMissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.funnyfunnierthefunniestGeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.250,000RMB.50,000RMB.Thegreencaristhemostexpensive.Theredcatismoreexpensivethanthebike.Thebikeisexpensive.500RMBJimTomStalloneisthemostathleticofthree.TomismoreathleticthanJim.Jimisathletic.cinemaBookstoreSupermarketMyhouse4000misfarfrommyhome.ThebookstoreSupermarketisfartherfrommyhome.isthefarthestfrommyhome.ThecinemaHeisthetallestbasketballplayerinChina.thetallestpersonHerunsthefastestin110-meterrace.thefastestpersonHe’sthemostpopularactor,andhe’sfamousforplayingChinesegongfu.themostpopularactor原级比较级最高级fastshortbigthinfunnyheavyathleticexpensivefarfastershorterbiggerthinnerfunnierheaviermoreathleticmoreexpensivefartherFastestShortestBiggestThinnestFunniestHeaviestMostathleticMostexpensivefarthest一、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一般在词尾加-er/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest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-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词，先改“+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在词前加more或mosttiredmoretiredmosttiredeasilymoreeasilymosteasily原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthest一、形容词和副词比较级和最高级的构成2、不规则变化Good,better,best,Neverletitrest.Tillgoodisbetter,Andbetter,best.好上加好，直到最好；精益求精，永无止境。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.tallertheyoungestthemostthebestslower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._______