比较句型课件.ppt

比较级句型,形容词副词的,比较等级,原级-原级的主要句型及结构,比较级-比较级句型、相关结构及注意事项,其他应注意的结构及表达法,最高级-最高级句型、相关结构及注意事项,原级的主要句型及结构,一、两者相同（肯定句）1）、A+动词+as+形容词原级+as+B2)、A+动词（实义动词）+as+副词原级+as+B,二、前者不如后者（否定句）“notas+原级+as”或“notso+原级+as”Sheisnotas(so)tallasherbrother.=Herbrotheristallerthanshe.,四、前者与后者一样（是）1）、“as+原级+a(an)+名词（可数）+as”Jimisasgoodaplayerashisbrother.2）、“as+原级+名词（不可数）+as.”Wehaveasmuchhomeworkas(wehad)yesterday.,五、特殊：as.aspossible=asassb.can(could)表“尽可能”与比较级无关,三、too+形容词/副词原级+to,练习：1、翻译：英语和数学一样重要。2、Theboydoesntspeak_hissister,buthiswrittenworkisverygood.A、aswellasB、sogoodasC、morebetterthanD、moreworsethan,A、aswellas,Englishisasimportantasmaths.,比较级句型、相关结构及注意事项,1、句型：A+动词+比较级+than+B,2、Which(Who)is+比较级，AorB?Which(Who)likebetter,AorB?,3、越来越：1）、比较级+and+比较级(warmerandwarmer)2）moreandmore+原级(moreandmorebeautiful),4、越就越“the+比较级,the+比较级”（注意：此句型句首为分句，相当于一个条件句；后面是主句，如果它是将来时，前面的从句应用一般现在时。）Thesooner,thebetter.,5、“the+比较级+of+thetwo”结构译为“两个中比较的”Thisbookisthecheaperofthetwo.,6、能修饰比较级的词：much,verymuch,still,even,far,alot,agreatdeal,alittle,alot,7、“比较级+thananyother+单数名词”表示“比其他的任何都”（表最高级，若比较中的二者不属同一群体，应去掉other),8、“比较级+thantheother+复数名词”表示“比其余所有的都”（表最高级）,11、比较应在同类事物之间进行，注意下列句中的代词：1）TheweatherinChongqingishotterthanthatinBeijing.=ChongqingsweatherishotterthanBeijings.2）ThecultureinChinaisolderthanthatinAmerica.,10、避免双重比较（如：morekinder),9、前者不如后者：“less+原级+than”（not+as/so+as）,练习：1、-Hethinks_ofothersthanofhimself.-Thatswhyeveryonelikestomakefriendswithhim.A、moreB、lessC、muchD、little2、Its_todaythanitwasyesterday.A、aswarmB、warmestC、warmD、warmer3、Shanghaiislargerthan_inJapan.A、anyothercityB、anyothercitiesC、theothercitiesD、anycity,A、more,D、warmer,D、anycity,最高级句型、相关结构及注意事项,1、句型：A+动词+最高级+of(in)“of+复数”表示“在之中的”；of表属性（指在同类人、物中）in后接表单位、组织、时间等单数名词（或代词）；,2、Which(Who)is+最高级,A,BorC?Which(Who)likebest,A,BorC?,3、oneofthe+形容词的最高级+复数名词，表“是最之一者”,4、the+序数词+形容词的最高级+名词thesecondlongestriver（第二最长的河流）,练习：1、IthinkYaoMing,thefamousbasketballplayer,willbe_newstarinNBA.A、hotB、hotterC、hottestD、thehottest2、-Whichis_seasoninBeijing?-Ithinkitsautumn.A、goodB、betterC、bestD、thebest3、Hainanisaverylargeisland.Itsthesecond_islandinChina.A、largeB、largerC、largestD、mostlarge,D、thehottest,D、thebest,C、largest,其他应注意的结构及表达法,1、可用原级、比较级、最高级三种方式表达最高级。如：,1）、Heisthetallestinhisclass.（最高级）2）、Heistallerthananyotherstudentinhisclass.（比较级）3）、Heistallerthantheotherstudentsinhisclass.(比较级）4）、Nootherstudentinhisclassisastallashe.（原级）5）、Nobodyelseinhisclassisastallashe.(原级）,3、加修饰语强调一者是某一群体中最突出的时候，定冠词要放在修饰语very前和much后。Theboyistheverycleverestintheclass.Theboyismuchthecleverestintheclass.,2、形容词比较级前加no和not含义不同。如：HisEnglishisnobetterthanmine.(他的英语跟我一样不行）HisEnglishisnotbetterthanmine.（他的英语不比我好。）,5、表差数：差数+名词+比较级+thanJimistwoyearsolderthanLucy.,6、表比喻：asbusyasbee(忙如蜜蜂)asfreeasair(自由如空气）,7、没有比较等级的形容词、副词,1）、形容词a、有些形容词，含义绝对的。如：dead,empty,wooden,round,wrong,right等b、类属形容词，如国籍、宗教信仰，政治派别，即说明某人或某物的类别。如：French,politicalc、表方位、性质的形容词，如：left,physical(体力的)d、表语形容词，如：afraid,asleep,awake,alone等2）、副词如：now,then,always,never,here,how,4、表示倍数：倍数+as+原级+as(倍数+形容词的比较级+than)Ourschoolistwiceasbigasyours.（我们学校是你们学校的两倍大，或我们学校比你们学校大一倍）,听力练习一、单句理解。从下面各题三个句子中选出与你所听到的句子意义相同或相近的选项。1、A、Thiscakeisbiggerthananyothercakes.B、Thiscakeisbiggerthantheothercakes.C、Thiscakeisbiggerthantheothertwo.2、A、Physicsismoredifficultthanmaths.B、Physicsislessdifficultthanmaths.C、MathsislessdifficultthanPhysics.3、A、Iamthetallestofthethree.B、Tomisthetallestofthethree.C、Jackisthetallestofthethree.4、A、Happylifeismoreimportantthanknowledge.B、knowledgeismuchbetterthanourhappylivesC、Ifwelearnmoreknowledge,wellhaveahappylife.5、A、Jimisoldenoughtoreachthepearonthetree.B、Jimisnttallenoughtoreachthepearonthetree.C、Jimissotallthathecanreachthepearonthetree.,C、Thiscakeisbiggerthantheothertwo.,B、Physicsislessdifficultthanmaths.,C、Jackisthetallestofthethree.,C、Ifwelearnmoreknowledge,wellhaveahappylife.,B、Jimisnttallenoughtoreachthepearonthetree.,、二、对话理解。听小对话，每段对话后面有一个小题，从题中所给的选项中选出最佳答案。1、A、16B、15C、60D、612、A、Shewasthefirst.B、Shewasthethird.C、Shewasthefourth3、A、Shesworkedtheresince1971.B、Shesworkedtheresince1969.C、Shesworkedtherefortwoyears.4、A、WangHaiB、LiLinC、SunWei5、A、MotherB、LilyC、Lucy,A、16,B、Shewasthethird.,A、Shesworkedtheresince1971.,A、WangHai,C、Lucy,Exercises（一）、选择填空1、LetsenjoythesongYesterdayOnceMore.Itsounds_.A、wellB、sadlyC、niceD、bad2、-Isthephysicsproblem_?-Yes.Icanworkitout_.A、easy;easilyB、easy;easyC、easily;easyD、easily;easily3、-Mum,couldyoubuymeadresslikethis?-Certainly,wecanbuy_onethanthis,but_this.A、abetter;betterthanB、aworse;asgoodasC、acheaper;asgoodasD、amoreimportant;notasgoodas4、Somestudieshaveshownthatstudentswhoeatgoodbreakfaststay_anddo_thanthosewhodont.A、thin;wellB、thinner;betterC、thethinnest;thebestD、thinnest;best,A、easy;easily,C、acheaper;asgoodas,B、thinner;better,C、nice,5、-TheTVprogramisboring.Shallweplaychessinstead?-Allright.Thatis_thanwatchingaboringprogram.A、verygoodB、muchgoodC、verybetterD、muchbetter6、Toprotectenvironmentis_totakecareofourlives.A、importantB、asimportantasC、moreimportantD、themostimportant7、Inourcity,its_inJuly,butitiseven_inAugust.A、hotter;hottestB、hot;hotC、hotter;hotD、hot;hotter8、Thehorseisoldandcannotrun_itdid.A、asfasterasB、sofastthanC、asfastasD、sofasterthan9、-Thedigitalcameraisreallycheap!-The_thebetter.Imshortofmoney,yousee.A、cheapB、cheaperC、expensiveD、moreexpensive,D、muchbetter,B、asimportantas,D、hot;hotter,C、asfastas,B、cheaper,10、Myworkis_done.Illberightwithyou.A、hourafterhourB、nowandthenC、moreorlessD、moreandmore11、Ihave_experiencethanyoudo.A、asmuchB、lessC、alittleD、fewer12、Jimisrunning_Bruce.Theyreneckandneck.A、fasterthanB、asfastasC、asfasterasD、moreslowlythan13、_allthestarsthesunisthenearesttotheearth.A、InB、AmongC、OfD、From14、-Ourholidaywas_.-Yes.Iveneverhad_.A、suchgreat;thebetteroneB、greatly;agoodoneC、sogreat;abetteroneD、verygood;thebestone15、_childrenthereareinafamily,_theirlife_.A、Theless;thebetter;isB、Thefewer;thebetter;willbeC、Fewer;richer;willbeD、More;poor;is,C、moreorless,B、less,B、asfastas,C、Of,C、sogreat;abetterone,B、Thefewer;thebetter;willbe,（二）、改错1、LiLeiisveryyoungerthanHarry.2、NewYorkisoneofthebiggestcityintheworld.3、Thistreeishigherthanthatone.4、Shesingsasbeautifulasyou.5、Sheistootiredtowalkanyfar.6、Whoforgetseasier,heorhisbrother?7、Theywriteveryquick.8、Heisatallestboy.9、Itisraininghardly.Icantgoout.10、Iwasntverysurprisedatthenews.,（verymuch）,（citycities）,（highertaller）,（beautifulbeautifully）,（farfarther）,（easiermoreeasily）,（quickquickly）,（athe）,（hardlyhard）,