人教八年级英语下件.pptx

形容词比较级与最高级thinfat/heavysmartoutgoingfunnyshorttalltallathleticquietserious擅长运动的擅长运动的强健的强健的严肃的严肃的庄重的庄重的文静的文静的Yao Ming is Jordan.Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mtaller thanZeng Zhiwei is short.Pang Changjian isPang Changjian is Zeng Zhiwei.shorter.shorter thanLiu Huan is heavy.Fei Mao isFei Mao is Liu Huan.80kg90kgheavier.heavier thanLin Xinru is thin.Liu Yifei is Liu Yifei is Lin Xinru.45kg48kgthinner.thinner thanmore outgoingLi Yong is Cheng long.Cheng Long is outgoing.Li Yong is more outgoing.outgoingmore outgoing thanathleticCheng Long is more athletic than Li Xiaopeng.Li Xiaopeng is athletic.Cheng Long is more athletic.more athleticfunny,serious,smart,calm,wild,big,fat,outgoing,athletic,dirty,heavy,thin,tallsmallereasierhottermoreinterestingsmarterfunnierheavierdirtierbiggerthinnerfattermoreoutgoingmoreseriousmoreathleticcalmerwildertaller 形容词比较级形容词比较级规则规则变化变化1.一般在词尾加一般在词尾加-ereg：coldstrongfastslow2.以字母以字母e结尾的形容词，加结尾的形容词，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，再加字母，再加-ereg:thinfat4.以以“辅音字母辅音字母+y”结尾的双音节词，先改结尾的双音节词，先改“y”为为“i”,再再加加-ereg:funnyeasy5.多音节词和部分双音节词，在词前加多音节词和部分双音节词，在词前加moreeg:beautifulseriousbigbigLookatthepicturesandunderstand看图并理解bigbiggerLookatthepicturesandunderstand看图并理解Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfastLookatthepicturesandunderstand看图并理解fastfasterLookatthepicturesandunderstand看图并理解fastfasterfastestLookatthepicturesandunderstand看图并理解The green oranges are big.The orange ones are bigger.The red ones are the biggest of all.Zen Zhiwei is short.Tom is shorter than Zen Zhiwei.Xiao xin is the shortest of them .Liu Yifei is thin.Xiaoming is thinner than Liu Yifei.Mike is the thinnest of all肥肥肥肥-沈殿霞沈殿霞100kgheavyheavier180kgtheheaviest220kgMr.WangMr.LiMissShenisheavy.Mr.Wangisheavier.Mr.Liistheheaviestofthethree.funnyfunnyfunnierfunnierthefunnithefunniestestGeYouisfunny.ZhaoBenshanisfunnier.PanChangjiangisthefunniestofthem.250,000 RMB.50,000 RMB.The green car is the most expensive.The red cat is more expensive than the bike.The bike is expensive.500 RMBJim Tom Stallone is the most athletic of three.Tom is more athletic than Jim.Jim is athletic.cinemaBook storeSuper marketMy house3000 m4000m5000mis far from my home.The book store Super market is farther from my home.is the farthest from my home.The cinema He is the tallest basketball player in China.the tallest personHe runs the fastest in 110-meter race.the fastest personHes the most popular actor,and hes famous for playing Chinese gong fu.the most popular actor原级原级比较级比较级最高级最高级fastshortbigthinfunnyheavyathleticexpensivefarfastershorterbiggerthinnerfunnierheaviermore athleticmore expensivefartherFastestShortestBiggestThinnestFunniestHeaviestMost athleticMost expensivefarthest一、形容词和副词比较级和最高级的构成一、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一般在词尾加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e结尾的形容词，加结尾的形容词，加-r或或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加时，应先双写辅音字母；再加-es或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音节词，结尾的双音节词，先改先改“+y”结尾结尾的的双双音节词，先音节词，先改改“y”为为“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或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；好上加好，直到最好；精益求精，永无止境。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.Tom is _(tall)than Jim.2.Li Lei is _ (young)boy in his class.3.David has _(many)story books of all the students.4.Li Lei speaks English _(well)in his group.5.Lucy runs _(slow)than Lily.tallerthe youngestthe mostthe bestslower改正下列句子中一处的错误。A Tom comes to school late than Jim._B.Which do you like better,cats,dogs,or chickens?_C.Who is oldest in our class?_D.He thinks math is importanter than Chinese._E.This work is very harder than that one._F.He lives farer than any other student in your class._