八年级上册Unit 3.ppt

Unit3,主讲教师：宋文星山西省吕梁市文水县实验中学,Immoreoutgoingthanmysister.,人教版八年级英语上册,shorter,happier,happy,short,70cm,50cm,Haha,Hahahaha,6yearsold,4yearsold,young,younger,Compare,形容词、副词的比较级的构成：规则变化:单音节和少数双音节形容词、副词比较级的构成。1)在词尾加-ertalltallersmartsmartershortshorterfastfaster,GRAMMAR,2)以不发音的字母e结尾的，加-r,nicenicerlargelargerfinefinerlatelater,3)重读闭音节结尾且末尾只有一个辅音字母的，先双写该辅音字母，再加-er。,bigbiggerfatfatterthinthinnerhothotterwetwetter,4)以辅音字母+y结尾的词，先变y为i，再加-er。,happyhappierearlyearlierfunnyfunniereasyeasier,5)多音节词和部分双音节词,beautifulmorebeautifulcomfortablymorecomfortablyquicklymorequickly,不规则变化：good/wellbetterbad/badlyworsemany/much-morelittle-lessfar-farther/further,比较级有规律,词尾加上-er两兄弟;要是以e来结尾,只有小二(r)跟上去;重读闭音节词要牢记,双写千万别忘记;要是“辅音+y”来结尾,小艾(i)要把y来替,再加-er两兄弟;多音节词加上m-o-r-e,你看这样多容易。,Chant(口诀),tallhardquietquicklyfunnyoutgoingbignicewell,tallerharderquietermorequicklyfunniermoreoutgoingbiggernicerbetter,你能说出下列单词的比较级吗？,A.原级常用的句型结构(一)表示“甲和乙程度相同”1.甲+be+as+形容词原级+as+乙”。(beboth)eg：MaryisasfriendlyasKate.,2.“甲+实意动词+as+副词原级+as+乙”(bothdo)eg:TomrunsasfastasMike.,表示“甲和乙程度相同”,(二)表示“甲不如乙”1.“甲+be+not+as/so+形容词原级+as+乙”eg:Mymotherisnotas/sooutgoingasmyfather.,表示“甲不如乙”,2.“甲+助动词+not+动词原形+as/so+副词原级+as+乙”eg:Hedoesntworkas/sohardasyou.,B.比较级常用的句型结构(一)表示“甲比乙更”1.“甲+be+形容词比较级+than+乙”eg：TomistallerthanKate.,表示“甲比乙更”,2.“甲+实意动词+副词比较级+than+乙”eg：AnnasingsbetterthanHelen.,(二)“特殊疑问词+be+形容词比较级，甲or乙?”。eg:Whichisbigger,theearthorthemoon?,(三)“特殊疑问词+实意动词+副词比较级，甲or乙?”eg：Whowalksmorequickly,JennyorAlice?,(四)表示“越，越”“the+比较级，the+比较级”eg：Themorecarefulyouare,thefewermistakesyoullmake.,（五）表示“越来越.,比较级+and+比较级eg：Ourcountryisbecomingmoreandmorebeautiful.,常见的修饰比较级的词：much，alot，far，（的多）alittle，abit(一点儿)even(甚至)still(仍然)eg:Tomlooksevenyoungerthanbefore.Thistrainrunsmuchfasterthanthatone.,完成句子1.这个盒子比那个重。Thisboxis_thatone.2.你下次一定要做得更好。Youmust_nexttime.3.他学习比他的哥哥努力得多。Hestudies_hisbrother.4.她和她的妈妈一样聪明。Sheis_hermother.,heavierthan,dobetter,muchharderthan,assmartas,选择填空Whoswims_,TonyorSam?A.wellB.bestC.betterD.much2.Ihaveshorterhairthan_.A.MarysB.MaryC.MarysD.Maryshair3.Myhairislongerthan_.A.mysisterB.KateC.mybrothersD.Lucys,C,B,C,Haveatry,please.,1.Pauldoesntplaybasketballas_(good)asTom.2.Whichis_(beautiful),BeijingorShanghai?3.Look!Jackisrunning_and_(fast).,well,morebeautiful,faster,faster,中国英语教师网,【2013江西】Tedwashard-working.Hissuccessmadehimwork_.A.harderB.hardestC.morequicklyD.mostquickly,A,链接中考,中国英语教师网,【2013河北】ImsorryImlate.Ishouldgethere10minutes_.A.earlyB.earlierC.theearlierD.theearliest,B,中国英语教师网,【2014上海】24.Airpollutionhasbecome_thaneverbefore.Wemustdosomethingtostopit.A.seriousB.moreseriousC.mostseriousD.themostserious,B,中国英语教师网,【2013十堰】-Manyboystudentsthinkmathis_English.-Iagree.ImweakinEnglish.A.muchdifficultthanB.sodifficultasC.lessdifficultthanD.moredifficultthan,C,中国英语教师网,MyfriendandI,1.外貌（looks):tall/short,fat/thin,beautiful,face,hair2.性格（traits):outgoing/quiet,serious,funny,friendly,smart,hard-working,shy,popular3.喜好（likes):read,playsports,sing.4.besimilarto/bedifferentfrom/bringoutbegood/betterat/betalentedin.,中国英语教师网,Be