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1、Li Leis box is heavy.Han Meimeis box is heavier than Li Leis.Jims box is the heaviest of all.第1页/共17页The bee is flying fast.The bird is flying faster.The plane is flying the fastest.第2页/共17页Winter is the coldest season of a year.第3页/共17页Liu Xiang ran(the)fastest in the Olympic Games.第4页/共17页词词 尾尾 变变
2、 化化正常型：正常型：单音节词在词尾加单音节词在词尾加-er(比较级比较级)或或-est(最高级最高级)greener,greenest简约型：简约型：以字母以字母e结尾的词加结尾的词加-r或或-st later,latest重叠型：重叠型：以重读闭音节结尾的词以重读闭音节结尾的词,末尾只有一个辅音末尾只有一个辅音字母应双写辅音字母再加字母应双写辅音字母再加er或或est redder,reddest善变型：善变型：以辅音字母以辅音字母+y结尾的词结尾的词y变为变为i再加再加-er,或或-est heavier,heaviest麻烦型：麻烦型：“adj.+ly”构成的副词或多音节词在其前构成的
3、副词或多音节词在其前面面 加加more 和和most.more slowly,most slowly more beautiful,most beautiful第5页/共17页 写出下列单词的比较级和最高级cleversafeheavydifficultearlynewthin cleverercleverestsafersafestheavierheaviestmore difficultmost difficultearlierearliestnewernewestthinner thinnest第6页/共17页不规则形容词和副词good/wellmany/muchlittlebad(ly
4、)/illoldfar 原级 比较级 最高级年龄辈份距离程度betterbestmoremostworseworstolderoldesteldereldestfartherfarthestfurtherfurthestlessleast第7页/共17页1.as+adj./adv.（原级）+as (和一样)2.否定 not so/as+形容词原形+as (和 不一样;不如)3.倍数+as+adj.（原级）+as (是的几倍)第8页/共17页 1.比较级+than (“比更”)2.“The+比较级，the+比较级”(“越就越”)3.“比较级+and+比较级”或“more and more 原级”
5、(“越来越”)4.表示不及另一方时，使用“less+原级+than (“不如”)5.Who/Which 谓语比较级,A or B?(A/B谁/哪个更?)6.倍数+比较级+than (比多几倍）第9页/共17页 4.足球越来越受欢迎了.Football is_ _ _ _.2.这个房间不如那个房间漂亮。This room is_ _ than that one.less beautiful3.你的房间比我的大三倍.Your room is _ _ _ than mine.more and more popularLets try.1.你工作越努力，你的成绩就会越好._ _ you work,_
6、_ result youll get.The harder the betterthree times bigger第10页/共17页4.表示三者之间的选择可使用“Which/Who+谓语+the+最高级,or?”1.the+最高级+of(in)2.one of the+最高级+名词复数3.the+序数词+最高级第11页/共17页1.Hainan Island is the second _(large)island in China.2.Zhao Lei is one of _(young)boys in his school.3.Which do you like _(well),Chin
7、ese,English or math?largestthe youngestbestCan you do it?4.Jim jumped _ (high)of all.(the)highest5.He is _(popular)student in our class.the most popular第12页/共17页Attentions1.修饰形容词和副词原级的词、短语有：3.This one is the better of the two.4.China is larger than any other country in Asia.5.Shanghai is larger than
8、 any city in Shandong.much,far,a lot,a little,rather,even,any 句中有of the two 短语时，比较级前the“比较级than any other n.(single)“(比较对象属同一范围）“比较级than any n.(single)(比较对象不属于同一范围）2.修饰形容词和副词比较级的词、短语有：really,very,so,too,quite,a little,rather,pretty第13页/共17页.选择填空：1.-Mr.Zhou,of all the students in our group,who lives
9、_?-I think Li Lei does.A.far B.farther C.farthest D.farest2.The Chang Jiang River is _ than any other _ in China.A.shorter;rivers B.longer;river C.shortest;rivers D.longest;river3.Bob never does his homework _ Mary.He makes lots of mistakes.A.so careful B.as carefully as C.carefully as D.as careful
10、as4._ she is,_ she feels.A.The more busy,the more happy B.The busy,the happy C.Busier,happier D.The busier,the happier5.The car is running _.It seems to be flying.A.more and faster B.more and fast C.fast and fast D.faster and faster6.I feel even_ now.A.bad B.well C.worse D.worst7.Tom is _ of the two
11、 brothers.A.fatter B.fattest C.the fatter D.the fattest 8.English is as _as Chinese.You should learn it well.A.important B.more important C.the most important D.much more importantCBBDDCCA第14页/共17页按要求完成下列任务：1.1.根据文中信息填词（仅填一词）。Our Our world world is is becoming becoming much much smaller smaller beca
12、use because of of _ _ development.development.2.2.根据短文内容回答问题：Why is air pollution the most serious kind of pollution?Why is air pollution the most serious kind of pollution?_._.3.3.从文中找出与下面句意接近的句子，并写在横线上：In In the the city,city,people people are are not not allowed allowed to to burn burn coal coal
13、in in houses houses andand factories.factories._._.4.4.将文中划线句子译成汉语：_._.5.5.从文中找出三个不规则变化的形容词比较级，并写在横线上:_._.scienceBecause its bad to all living things in the worldThey stop people from burning coal in houses and factories in the city所以污染越少人们的生活将会过得越好。more,less,better第15页/共17页Writing:Topic:The change of my hometownKey words:clean,beautiful,more,happy,active,popular第16页/共17页感谢您的观看。第17页/共17页