比较级和最高级课件.ppt
Lesson 13Liu Xiang is taller than Pan Changjiang.Yao Ming is the tallest of the three.The green skirt is nicer than the blue one.The yellow skirt is the nicest of all.Jim is happier than Mary.John is the happiest of the three.The Canon camera is more expensive than the Olympus camera.The Sony camera is the most expensive of all.Canon2,420.00元元 Sony 2,595.00元元 Olympus2,130.00元元tall tallertallestnicenicestnicerhappyhappierhappiestbigbiggerbiggestexpensivemore expensivemost expensiveComparatives 比较级比较级Superlatives 最高级最高级形容词的比较等级构成方式形容词的比较等级构成方式:1.一般单音节一般单音节adj 的比较级多在原形上加的比较级多在原形上加-er,最高级加最高级加-est.多音节多音节adj在原形前加在原形前加more,最高级加最高级加most原级原级比较级比较级最高级最高级smallsmallersmallestbeautifulmore beautiful most beautifulpopularmore popularmost popular2.辅音字母加辅音字母加y结尾时去结尾时去y变变i再加再加-er或或-est eg.friendly friendlier friendliest3.以不发音的以不发音的e结尾时加结尾时加-r/st.eg.fine finer finest4.重读闭音节结尾的词重读闭音节结尾的词,如末尾是一个辅音字母如末尾是一个辅音字母,双写这个辅音双写这个辅音字母字母,再加再加-er或或-est.eg.big bigger biggest5.不规则不规则adj的比较级与最高级如下的比较级与最高级如下:原级原级比较级比较级最高级最高级goodbetterbestbadworseworstmany/muchmoremostoldolder/elderoldest /oldestlittlelessleast原级比较级最高级talllatebigfunnyinterestinggoodmanyExercise:写出下列形容词的比较级和最高级写出下列形容词的比较级和最高级.tallerlatertallestfunnierbiggerbiggestlatestfunniestmore interestingmost interestingbetterbestmoremost important more important ，the most important slow slower slowest safe safer safest exciting more exciting ，the most exciting good better best quick quicker quickest happy happier happiest原级原级比较级和最高级比较级和最高级 healthy healthier healthiest fat fatter fattest expensive more expensive，the most expensive thirsty thirstier thirstiestbadworse worst hungry hungrier hungriest friendly more friendly,the most friendly 原级原级比较级和最高级比较级和最高级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.规则变化规则变化构成方法原级比较级最高级单音节单词及部分双音节词一般在词尾加-er,-esttallsmalltallersmallertallestsmallest在以字母e结尾的形容词后加-r，-stnicelargenicerlargernicestlargest在以辅音字母+y结尾的形容词后，先改y为i再加-er，-estheavyhappyheavierhappierheaviesthappiest重读闭音节词只有一个辅音字母时，先双写辅音字母再加-er，-estbigslimbiggerslimmerbiggestslimmest部分双音节词及多音节词在此的前面加more，mostexpensivebeautifulmoreexpensivemorebeautifulmostexpensivemostbeautiful2.不规则变化不规则变化原级比较级最高级good/wellbetterbestbad/illworseworstmany/muchmoremostlittlelessleastoldolder/elderoldest/eldestfarfartherfarthestfastLi MeiLilyKatebeautiful1.A feather is _(light)a stone.2.My mother is _(busy)in my family.3.The lion is _(heavy)the dog.4.Tom is _(clever)student in our class.5.This question is _(easy)of the five.6.Chinese New Year is_(important）festival for Chinese people.7.Shanghai is one of _(large)cities in China.8.Mosquito is _(dangerous)animal of all.thebusiestthecleveresttheeasiestthemostimportantthelargestthemostdangerouslighterthanheavierthan1.The sun is _than the earth.A big B very big C bigger D the biggest2.My Heart Will Go On was one of_songs of 1998.A popularest B more popular C popular D the most popular3.This film is _interesting than that one.A more B much C very D the most4.Which do you like_,tea or coffee?A well B better C best D mostCDAB5.David is taller than _in this class.A any student B the students C any students D the other students6.The baby cried _.A harder and harder B hardest and hardestC more and more hard D hard and hard7.He is _of the five.A taller B the taller boy C the tallest boy D the tall boyDAC
