形容词词比较级和最高级的用法

,形容词比较级和最高级,单音节和少数双音节形容词一般在词尾加-er构成比较级，加-est构成最高级，具体变化规则如下：1）一般在词尾加erest。例如：fastfastfastest,newnewernewest2)以e结尾的，在词尾加r/st即可。例如：largelargerlargest，latelaterlatest,3)以重读闭音节结尾的形容词如末尾只有一个辅音字母，先双写这一字母，然后再加er。例如：bigbiggerbiggest，thinthinnerthinnest4)辅音字母加y结尾的单词，变y为i，然后再加-er/est。例如：busybusierbusiest，easyeasiereasiest,多音节词在前面加more构成比较级，加most构成最高级,原级比较级最高级beautifulmorebeautifulmostbeautifuldifficultmoredifficultmostdifficultimportantmoreimportantmostimportantinterestingmoreinterestingmostinteresting,原级比较级最高级carefulmorecarefulmostcarefulfamousmorefamousmostfamousexcitingmoreexcitingmostexcitingdeliciousmoredeliciousmostdeliciousexpensivemoreexpensivemostexpensive,以-ly结尾的副词，除early外，比较级最高级均用more,most,原级比较级最高级earlyearlierearliestslowlymoreslowlymostslowlybravelymorebravelymostbravelyquicklymorequicklymostquicklyfriendlymorefriendlymostfriendlyfriendlyfriendlierfriendlist,也有少数形容词的比较级和最高级是不规则的,原级比较级最高级good/wellbetterbestmany/muchmoremostlittlelessleastoldolder/elderoldest/eldestbad/ill/badlyworseworstfarfarther/furtherfarthest/fartherst,特殊形式比较级，共有三对二合一。坏病两多并两好，little意少不是小。一分为二有两个，一是远来二是老。,巧记,写出下列单词的比较级和最高级,tall_short_nice_late_early_happy_hot_fat_delicious_beautiful_good_bad_,tallertallest,shortershortest,nicernicest,laterlatest,eariereariest,happierhappiest,hotterhottest,fatterfattest,moredelicousmostdelicous,morebeautifulmostbeautiful,betterbest,worseworst,形容词比较级的用法,两者相比（甲乙），用“as+形副词的原级as”表示e.g:TomisastallasJack.Shecoulddoaswellasaman.它的否定形式是:notas(so)+形副词的原级ase.g:Ididntdomyhomeworkso(as)carefulyasyou.Sheisntas(so)carefulasyou.,练习：1)-Theclassroomis_clean_itwasyesterday.-Sorry,Iforgottocleanit.A.as;asB.so;asC.notso;asD.more;than2)-Insomecounties,wateris_oil.A.sodearasB.asdearasC.dearasD.sodear3).IthinkPEisas_(important)asEnglish.,C,B,important,4）.Heisnt_me.A.sotallasB.astallerasC.tallasD.sotall5).Theylistentotheteacheras_asme.A.carefulB.carefullyC.morecarefulD.carefuler6)Yingtianisnotas_(tall)asYongxian.,A,B,tall,2.两者或两部分相比（甲大于乙），用“比较级than”表示例如：Thisroomisbiggerthanthatone.Iamtallerthanyou.练习：1)-Dick,isNickyourtwinbrother?-Yes,andImthirtyminutes_thanhim.A.fatterB.tallerC.heavierD.older2)-Doyoulikethetwoskirts?-Theyellowoneisgoodbutthegreenonelooks_.A.nicerB.niceC.best,D,A,3）.Thisruleris_(long)thanthatone.4）.Whichschoolbagis_(heavy),thefirstoneorthesecondone?5)Thefoxis_(beautiful)thantherabbit.,longer,heavier,morebeatiful,3.比较级中的the句中有ofthetwo,比较级前要加the,表示“两者人物之间比较的”，例如：Bobisthetallerboyofthetwoboys1)OfthetwoAustralianstudents,Mashais_one.Ithinkyoucanfindhereasily.A.tallestB.thetallerC.tallerD.thetallest2)Whichis_countryofthetwocountry?A.largestB.largerC.thelargestD.thelarger,B,C,4.“比较级and+比较级”的结构,不与其他事物相比，表示本身程度的改变，用“比较级and+比较级”的结构，意为“越来越”.例如：Theweatherisgettingwarmerandwarmer.Ourcountryisbecomingmoreandmorebeautiful.练习：1).Whenwintercomes,thedaysget_.A.shortandshortB.shorterandshorterC.longandlongD.longerandlonger2）.Thingsaregetting_.A.dangerousanddangerousB.moredangerousandmoreC.moreandmoredangerous.,B,C,5.“the+比较级,the+比较级”的结构,表示一方随另一方程度变化时，用“the+比较级,the+比较级”的结构例如：Themoreyoueat,thefatteryouwillbeThemoreyoustudy,themoreyouknow.练习：1)Themoreyoulearn,themore_youcangetajob.A.easilyB.easierC.easyD.easiest2).Themoreyoustudy,the_youknow.A.manyB.muchC.moreD.most,A,C,6.可以修饰比较级的副词,用much,far,still,even,alot等副词来修饰形容词和副词的比较级，表示程度，放在比较级之前例如：Itmuchwarmertoday.Thisproblemisalotmoredifficultthanthatone.练习：1)Thisyearourschoolis_thanitwaslastyear.A.muchmorebeautifulB.muchbeautifulC.themostbeautifulD.beautiful,A,用所给出词的适当形式填空:,1.Thisruleris_(long)thanthatone.2.Whichschoolbagis_(heavy),thefirstoneorthesecondone?3.Whichriveris_(long),theChangjiangRiverortheHuangRiver?4Whohasgot_(big)feet,FengQingheorYulianjie?5.Whois_(tall),SongJinlongorYulianjie?,longer,heavier,longer,bigger,taller,Therearemanyanimalsinthezoo.Thetigerisvery_(big).Buttheelephantis_(big)thanthetiger.Themonkeyisvery_(clever).Itcanjumpvery_(high).Therabbitisvery_(beautiful)and_(lovely).,big,bigger,clever,high,beautiful,lovely,Thefoxis_(beautiful)thantherabbit.Thewolfisvery_(tall).Thehorseis_(tall)thanthewolf.Theyarevery_(happy)inthezoo.Bobis_(young)thanFredbut_(tall)thanFred.10Yingtianisnotas_(tall)asYongxian.12.Whichis_(heavy),ahenorachicken?,morebeautiful,tall,taller,happy,younger,taller,tall,heavier,选择填空,1.Tomis_thanLucy.A.tallB.thetallerC.tallerD.moretall2.Asecondhandcarismuch_thananewoneinthesamebrandandmodel(型号).A.cheapB.cheaperC.expensiveD.moreexpensive3.Itis_todaythanyesterday.A.verycolderB.quitecolderC.morecolderD.muchcolder4.Todaysheis_thanyesterday.A.verybetterB.alittlebetterC.wellD.best,C,B,D,B,5,5.Mybookis_thanLilysbook.A.goodB.betterC.best6.Whichoneis_?Winterorsummer?A.hotB.hotterC.hottest7.Mybookbagisas_asmysistersbookbag.A.bigB.biggerC.biggest.8.Ahorseis_thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavy9.UsuallyXiaoLispends_timedoinghomeworkthanXiaoChendoes.A.littleB.lessC.fewD.fewer,B,B,A,C,B,形容词、副词的最高级,何时用？当我们要将三个或三个以上的事物进行比较时，可以用形容词或副词的最高级形式来表达。形容词和副词的最高级的变化形式：.规则变化:在词尾加-est或在单词前面加most,最高级的用法,1)三者或三者以上之中的之最,用形容词副词的最高级.形容词最高级前必须加冠词the,副词前的the可省略，常用的结构为：“be动词形容词最高级in/of/among+表范围的短语”例如：Heisthetallestboyinourclass.Heworks(the)hardestinhisclass.,beautiful,练习：1)Lookatthatredcar!Ithinkits_intheworld.A.morebeautifulB.sobeautifulC.themostbeautiful2)whichis_,thesun,themoonortheearth?-Ofcourse,thesunis.A.smallerB.thesmallerC.biggestD.thebiggest,C,D,2.在which_,_or_?句中,表示三者或三者以上比较,例如：whichisthebiggest,thesun,themoonortheearth?太阳,月亮,地球,哪一个最大?练习：1）Whois_(tall)Mike,LucyorMary?2).Whichis_(cheap)theone,thesecondoneorthethirdone?3).Whowrites_(careful)Mike,LucyorMary?,thetallest,thecheapest,mostcarefully,3.形容词最高级表示“最之一”时，可用“oneofthe+形容词最高级+复数名词”，例如：Edisonwasoneofthegreatestinventorsintheworld.爱迪生是世界上最为大的发明家之一.练习：1）Heisoneofthe_(friendly)peopleintheclass,Ithink2）.Sheisoneofthe_(popular)studentsinherclass.,mostfriendly,mostpopular,4.形容词最高级的前面常有the,如形容词最高级的前面有my等形容词性物主代词,Chinas等名词所有格修饰时，the要省去。例如：1).Thisismybusiestday.这是我最忙的一天。2).TheChangjiangRiverisChinaslongestriver.长江是中国最长的河流。练习：Saturdayismy_(busy)dayinaweek.,busier,5.形容词最高级可以被very修饰，表示强调Illdomyverybest.我一定要尽力而为。6.most有时和形容词连用,前面用不定冠词,表示“非常”Itsamostusefulbook它是一本非常有用的书。,可修饰最高级的词,最高级可被序数词以及much,byfar,nearly,almost等修饰，表示程度例如：TheYellowRiveristhesecondlongestriverinChina.Thishatisbyfarthebiggest.练习：1)Peterjumps_inyourclass.A.higherB.muchhighestC.tallerD.tallest2).Theshortoneisbyfar_(expensive)ofthefive.,B,mostexpensive,用所给词的适当形式填空,1.Thepeacock(孔雀)isthe_(beautiful)animalinthezoo.2.Thegiraffeisthe_(tall)animalinthezoo.3.Therearethreeapplesandtheredoneisthe_(big)ofthem.4.Qomolangmaisthe_(high)mountainintheworld.,mostbeautiful,tallest,biggest,highest,5.TheChangjiangRiveristhe_(long)riverinChina.6.Sueisalittle_(beautiful)thanhersister.7.Myroomisnotas_(big)asmybrothers.8.-Howdifficultisphysics?-Imnotsure.-Isit_(difficult)thanmaths?-Idontthinkso.,longest,morebeautiful,big,moredifficult,9.Annieplaysthepianovery_(well).-Sueplaysit_(well)thanAnnie.AndSallyplaysitthe_(well).10.Saturdayismy_(busy)dayinaweek.11.Hermotherisgetting_(fat)and_(fat).12.Ithinkitstooexpensive.Idlikea_(cheap)one.13.Hecomestoschoolmuch_(early)thanI.,well,better,best,busiest,fatter,fatter,cheaper,earlier,14.Lionsrun_thantigers.Cheetahsrunthe_.(fast)15.Yesterday,Alicewenttoschool_.Davidwenttoschooleven_thanAlice.TanMeiarrivedatschoolthe_.MissWangwasveryangrywithallofthem.(late)16.Ofthetwogirls,IfindLucythe_(clever).17.Gold(黄金)is_(little)usefulthaniron(铁).18.Mysisteristwoyears_(old)thanI.,faster,fastest,late,later,latest,cleverer,less,older,18.Johnsparentshavefourdaughters,andsheisthe_(young)child.19.The_(cheap)bagsarethenotusuallythebestones.20.Theshortoneisbyfar_(many)expensiveofthefive.21.Theboyisnotso_(interest