比较级课件学习.pptx

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1、形容词形容词比较级结构比较级结构 A+be动词+比较级+than+B 意思为：A 比 B 更 第1页/共61页Yao Ming is Jordan.Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mtaller than第2页/共61页Zeng Zhiwei is short.Pang Changjian isPang Changjian is Zeng Zhiwei.shorter.shorter than第3页/共61页Which country is larger?AustraliaThe USA is larger.Australia

2、is large.The USA is larger than Australia.第4页/共61页Liu Huan is heavy.Fei Mao isFei Mao is Liu Huan.80kg90kgheavier.heavier than第5页/共61页Lin Xinru is thin.Liu Yifei is Liu Yifei is Lin Xinru.45kg48kgthinner.thinner than第6页/共61页The green oranges are big.The orange ones are bigger than the green oranges.

3、The orange ones are bigger第7页/共61页funnyfunnyfunnierfunnierGeYouisfunny.ZhaoBenshanisfunnierthanGeYou.PanChangjiang第8页/共61页Donald duckHarry PotterWhich is more interesting?Harry potter is more interesting than Donald duck.Donald duck is interesting.第9页/共61页 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-ereg：coldstron

4、gfastslowcalmwild2.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:thinfatbig4.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:beautifulseriousinterestingoutgoingathletic6.不规则变化eg:goodbadmanylittle第10页/共61页基本形式的练习1.tall -_ 7.small-_2.short-_ 8.cool-_3.strong-_ 9.col

5、d-_4.old -_ 10.warm-_5.young-_ 11.deep-_6.long-_ 12.light-_tallershorterstrongerolderyoungerlongersmallercoolercolderwarmerdeeperlighter第11页/共61页重读闭音节双写的练习big-_ thin-_fat-_hot-_wet-_sad-_biggerthinnerfatterhotterwettersadder以前学的ing格式也遵守重读闭音节要双写的原则。如run-running，swim-swimming。第12页/共61页以不发音的e结尾的训练不发音的e

6、结尾，或者指单个e结尾的，不包括发音的e和字母组合。large-_nice-_ fine-_largernicerfiner第13页/共61页y变i，再+er的练习heavy-_funny-_happy-_heavierfunnierhappier以前学习名词的复数和单三形式时，格式也遵守不发音的y要去y为i+es的原则。如butterfliesfly-flies第14页/共61页多音节比较级的练习多音节是指大于等于3个音节的单词。前面+more（更加），表示更加怎么样。beautiful more beautifulexcitedmore excited 第15页/共61页不规则比较级的练习

7、good/well 好better 更好bad/badly 坏worse 更坏Many/much 多more 更多little少less 更少第16页/共61页funny,serious,smart,calm,wild,big,fat,outgoing,athletic,dirty,heavy,thin,tallsmallereasierhottermoreinterestingsmarterfunnierheavierdirtierbiggerthinnerfattermoreoutgoingmoreseriousmoreathleticcalmerwildertaller第17页/共61页

8、综合练习tallfunnylargebigbeautifulgoodtallerfunnierlargerbiggermore beautifulbetter第18页/共61页填空题比较级填空1.A is 10 years old,B is 11 years old.A is _ than B.2.Tom is 160 cm,Lucy is 170 cm.Lucy is _than Tom.3.The elephant is 893 kg,the pig is 158 kg.The elephant is _than the pig.oldertallerheavier第19页/共61页填空题

9、计算1.A is 23 years old,B is 4 years older than A.B is _ years old.2.Lucy is 159 cm,Alice is 16 cm shorter than Lucy,Alice is _cm.3.Amy is 43 kg,Zhangpeng is 23 kg heavier than Amy,Zhangpeng is _kg.(23+4=27)27(159-16=143)143(43+23=66)66第20页/共61页连词成句1.shorter You your are sister than2.2 years older She

10、s me than3.heavy you How are 4.big How feet are your 5.How is tall Lucy6.I you stronger am than 7.me you Are shorter than 第21页/共61页第22页/共61页Which one is safer?busplane第23页/共61页The yellow RiverWhich river is longer?The Yangzts River第24页/共61页Which mountain is higher?Fu Ji mountain Huangshan第25页/共61页ve

11、getablespizzaWhich is more delicious?第26页/共61页Who is more popular?BeckhamZhao Benshan第27页/共61页形容词最高级形容词最高级第28页/共61页形容词形容词最高级结构最高级结构A+be动词+the+最高级+范围意思：A 是 范围中最的第29页/共61页The bike is fast.The car is faster than the bike.fastestLookatthepicturesandunderstand看图并理解The plane is the fastest.第30页/共61页The gr

12、een oranges are big.The orange ones are bigger.The red ones are the biggest of all.第31页/共61页Tom is happy.Lucy is happier than Tom.Lily is the happiest of them.第32页/共61页Bolte is the most athletic of them.Jim is athletic.Li Na is more athletic than Jim.more athleticmost athleticathletic第33页/共61页 250,0

13、00 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 RMB第34页/共61页第35页/共61页He is the tallest basketball player in China.第36页/共61页the tallest person第37页/共61页He runs the fastest in 110-meter race in China.第38页/共61页the fastest person

14、第39页/共61页Hes the most popular actor,and hes famous for playing Chinese gong fu.第40页/共61页the most popular actor第41页/共61页形容词比较级和最高级的构成形容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-stnicenicernicestlargelarger

15、largest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”结尾的双音节词，先结尾的双音节词，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第42

16、页/共61页原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleast形容词比较级和最高级的构成形容词比较级和最高级的构成2、不规则变化第43页/共61页Good,better,best,Neverletitrest.Tillgoodisbetter,Andbetter,best.好上加好，直到最好；精益求精，永无止境。第44页/共61页比较级和最高级的区别比较级：两者之间，提示词为than最高级：三者或三者以上，常带表示比较 范围的词，in 和 of 等第45页/共61页用所给的形容词副词的适当

17、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第46页/共61页改正下列句子中一处的错误。A Tom comes to school late than Jim._B.Which d

18、o 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._第47页/共61页考点1在含有or的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式。如：Who is taller,Tim or Tom?谁更高，Tim还是Tom?tall funny large Big beautiful good第48页/共61页考点2在含有or的

19、选择疑问句中，如果有三者供选择，前面的形容词要用最高级形式。如：Who is taller,Tim，Tam or Tom?译：Tim，Tam 和 Tom 中，谁最高？tall funny large Big beautiful good第49页/共61页考点3A+be动词+数量+单位+比较级+than+B如：Lucy is three years older than me.第50页/共61页 考点四、数量的比较1.我的笔比你的多.2.我喝的茶比他多.3.他吃的饭比我少.4.一班的学生比二班多.Ihavemorepensthanyou(do).Idrinkmoreteathanhe(does)

20、.HehaslessricethanI(do).TherearemorestudentsinClass1thaninClass2.第51页/共61页考点5 在比较级前面使用的修饰词有：a little（有点），far/much/a lot（更加，的多）eg:1.Im a little taller than Mary.2.This skirt is far/much/a lot more beautiful than that one.第52页/共61页1.Thebreadis_thanthesecakesA.verydeliciousB.muchdeliciousC.moredeliciou

21、sD.asdeliciousC第53页/共61页2.Inourcityits_inJuly,butitismuch_inAugustA.hotterhottestB.hothotC.hotterhotD.hothotter3.Anelephantis_thanatiger.A.heavyB.veryheavyC.theheaviestD.heavierDD第54页/共61页4.A horse is _ than a dog.A.a lot heavy B.more heavier C.a lot heavier D.more heavy5.Which subject is _,physics

22、or chemistry?A.interesting B.most interesting C.more interesting D.the most interesting CC第55页/共61页 6 Who gets home usually _ in your family?A.the latest B.later C.early D.as lateA第56页/共61页副词比较级和最高级副词比较级和最高级第57页/共61页副词副词比较级结构比较级结构形容词：A+be动词+比较级+than+B 副词：A+实义动词+比较级+than+B第58页/共61页副词副词最高级结构最高级结构A+be动词+the+最高级+范围A+实义动词+the+最高级+范围第59页/共61页第60页/共61页感谢您的观看。第61页/共61页