英语形容词比较级最高级的变化省公共课一等奖全国赛课获奖课件.pptx

Make Comparisons1.Write down the comparatives and the superlatives of these wordsbignicelongnewcheapyounglatesafethirsty heavyeasyhardhighfewoldthinexpensiveinterestingcarefullyquicklygoodbadlittlefarmany/much第1页The Comparative and Superlative forms of Adjectives第2页形容词级形容词级原级：即形容词原形。原级：即形容词原形。small,good,pretty,big,many 比较级：两个人或物之间比较。比较级：两个人或物之间比较。smaller,better,taller,older,more最高级：三个或三个以上人或物之间最高级：三个或三个以上人或物之间比较。比较。smallest,tallest,newest,best第3页原级比较级最高级普通在词尾加-er/-estsmallyoungsmalleryoungersmallestyoungest以e结尾形容词加-r/-stnicelargenicerlargernicestlargest重读闭音节结尾词,词尾只有一个辅音字母,应先双写该字母,再加-er/-estbigthinbiggerthinnerbiggestthinnest以辅音字母加-y结尾词,变y为i,再加-er/-estheavyhappyheavierhappierheaviesthappiest单音节和少数多音节形容词比较级改变：单音节和少数多音节形容词比较级改变：第4页双音节或多音节形容词比较级：双音节或多音节形容词比较级：1、普通是在原级前加、普通是在原级前加more组成比较级，在原级前组成比较级，在原级前加加most组成最高级。组成最高级。beautiful more beautiful most beautiful interesting more interesting most interesting dangerous more dangerous most dangerous 2、一些单音节形容词，加、一些单音节形容词，加more,most 组成比较级和组成比较级和最高级。最高级。glad more glad most glad pleased more pleased most pleased tired more tired most tired第5页3、少数多音节形容词，尤其是、少数多音节形容词，尤其是y和和ow结尾，在原级结尾，在原级和加和加er 和和est组成比较级和最高级。组成比较级和最高级。happy happier happiest narrow narrower narrowest4、有些双音节和单音节形容词，既能够加、有些双音节和单音节形容词，既能够加er或或est组组成比较级和最高级，也能够加成比较级和最高级，也能够加more 和和most组成比较组成比较级和最高级。级和最高级。right huge calm free true fond第6页不规则形容词比较级和最高级：不规则形容词比较级和最高级：good/well better best bad/ill worse worst little less least many/much more most far farther/further farthest/furthest old older/elder oldest/eldest第7页比较级使用方法：比较级使用方法：(1)than(2)汤姆比杰克高.(3)这只箱子要比那只箱子大.(4)那些苹果比这些大.(5)第一个问题很轻易第一个问题很轻易,但第二个更轻易但第二个更轻易.Tom is taller than Jack.This box is bigger than that one.Those apples are bigger than these ones.The first question is very easy,but the second one is easier.第8页More examples:Mary is cleverer than her little sister.The new building is higher than the old one.His shirt is more expensive than mine.Kate is more beautiful than Lily is.She is five years older than I am.He is 2 centimeters taller than her.This ruler is 20 centimeters longer than that one.第9页(2)数量比较数量比较我笔比你多我喝茶比他多.他吃饭比我少.一班学生比二班多.I have more pens than you(do).I drink more tea than he(does).He has less rice than I(do).There are more students in Class 1 than in Class 2.第10页3 3、形容词原级比较。、形容词原级比较。形容词原级与形容词原级与asas连用表示必定意思，连用表示必定意思，是是“和和一样一样”意思；与意思；与not as/so as连连用表示否定意义，是用表示否定意义，是“不如不如”或或“不一样不一样”含含义。义。She is as pretty as her mother.The book is as new as that one.The story is as interesting as that one.The question is not as/so difficult as that one.My bike is not as/so good as yours.第11页4 4、形容词比较级修饰。、形容词比较级修饰。much+形容词比较级形容词比较级 得多得多 a little+形容词比较级形容词比较级 一点一点This pen is much better than that one.Tom is a little shorter than his friend Jim.Today is a little colder than yesterday.The book is much more interesting than that one.第12页5.5.形容词比较级形容词比较级+and+形容词比较级形容词比较级 （前后形容词是同一个）（前后形容词是同一个）越来越越来越She is becoming thinner and thinner.Our country is becoming richer and richer.There are more and more students in our school.Living in the world is becoming more and more difficult.第13页6、the+形容词比较级形容词比较级+the+形容词形容词比较级比较级 表示表示“越越，就越，就越”The more you eat,the fatter you will be.The harder you study,the more you will get.The smaller the house is,the less it will cost.The sooner,the better.第14页7 7、the+the+形容词比较级形容词比较级+of +of 短语短语 二者中比较二者中比较一个一个She is the prettier of the two girls.The bike is the older of the two.His is the taller of the two.This one is the more beautiful of the the two picture.第15页形容词最高级使用方法形容词最高级使用方法(in;of)那个短发女孩是我们班最高那个短发女孩是我们班最高.今天是一年中最热一天今天是一年中最热一天.他房间是三个中最洁净一个他房间是三个中最洁净一个.上海是中国最大城市上海是中国最大城市.The girl with red hair is the tallest in our class.Today is the hottest day of the year.His room is the cleanest of the three.Shanghai is the largest in China.第16页More examples:He is the youngest of all the children.This book is the most interesting of all books.America is the most developed country in the world.The Changjiang River is the longest river in China.He is one of the greatest scientists in China.The city is one of the most beautiful cities in the world.Lucy is one of the tallest girls in her class.Give my best wishes to you.He is my best friend.第17页