形容词词比较级和最高级的用法课件

形容词比较级和最高级形容词词比较级和最高级的用法课件单音节和少数双音节形容词一般在单音节和少数双音节形容词一般在词尾词尾加加-er构成比较级构成比较级，加加-est构成最高级构成最高级，具，具体变化规则如下：体变化规则如下：1）一般在词尾加）一般在词尾加erest。例如：。例如：fastfastfastest,newnewernewest2)以以e结尾结尾的，在词尾加的，在词尾加r/st即可。例如：即可。例如：largelargerlargest，latelaterlatest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3)以以重读闭音节结尾重读闭音节结尾的形容词如的形容词如末尾只有末尾只有一个辅音字母一个辅音字母，先，先双写双写这一字母，然后这一字母，然后再加再加er。例如：。例如：bigbiggerbiggest，thinthinnerthinnest4)辅音字母加辅音字母加y结尾结尾的单词，的单词，变变y为为i，然，然后再后再加加-er/est。例如：例如：busybusierbusiest，easyeasiereasiest3)以重读闭音节结尾的形容词如末尾只有一个辅音字母，先双写这多音节词在前面加more构成比较级，加most构成构成最高级最高级n原级比较级最高级最高级beautifulmorebeautifulmostbeautifuldifficultmoredifficultmostdifficultimportantmoreimportantmostimportantinterestingmoreinterestingmostinteresting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最高级carefulmorecarefulmostcarefulfamousmorefamousmostfamousexcitingmoreexcitingmostexcitingdeliciousmoredeliciousmostdeliciousexpensivemoreexpensivemostexpensive原级比较级最高级以以-ly结尾的副词，除结尾的副词，除early外，比较级最高外，比较级最高级均用级均用more,mostn原级比较级最高级最高级earlyearlierearliestslowlymoreslowlymostslowlybravelymorebravelymostbravelyquicklymorequicklymostquicklyfriendlymorefriendlymostfriendlyfriendlyfriendlierfriendlist以-ly结尾的副词，除early外，比较级最高级均用m也有少数形容词的比较级和最高级是也有少数形容词的比较级和最高级是不规则的不规则的n原级原级比较级最高级比较级最高级ngood/wellbetterbestnmany/muchmoremostnlittlelessleastnoldolder/elderoldest/eldestnbad/ill/badlyworseworstnfarfarther/furtherfarthest/fartherst也有少数形容词的比较级和最高级是不规则的原级 特殊形式比较级，特殊形式比较级，共有三对二合一。共有三对二合一。坏病两多并两好，坏病两多并两好，little意少不是小。意少不是小。一分为二有两个，一分为二有两个，一是远来二是老。一是远来二是老。特殊形式比较级，共有三对二合一。写出下列单词的比较级和最高级写出下列单词的比较级和最高级ntall_short_nnice_nlate_nearly_nhappy_nhot_nfat_ndelicious_nbeautiful_ngood_bad_tallertallestshortershortestnicernicestlaterlatesteariereariesthappierhappiesthotterhottestfatterfattestmoredelicousmostdelicousmorebeautifulmostbeautifulbetterbestworseworst写出下列单词的比较级和最高级tall_形容词比较级的用法形容词比较级的用法两者相比（甲乙），用两者相比（甲乙），用“as+形副词的原形副词的原级级as”表示表示e.g:TomisastallasJack.Shecoulddoaswellasaman.它的否定形式是它的否定形式是:notas(so)+形副词的原级形副词的原级ase.g:Ididntdomyhomeworkso(as)carefulyasyou.Sheisntas(so)carefulasyou.形容词比较级的用法两者相比（甲乙），用“as+形副词练习：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.CBimportant练习：CBimportant4）.Heisnt_me.A.sotallasB.astallerasC.tallasD.sotall5).Theylistentotheteacheras_asme.A.carefulB.carefullyC.morecarefulD.carefuler6)Yingtianisnotas_(tall)asYongxian.ABtall4）.Heisnt_me2.两者或两部分相比（甲大于乙），用两者或两部分相比（甲大于乙），用“比较级比较级than”表示例如表示例如：Thisroomisbiggerthanthatone.Iamtallerthanyou.练习：1)-Dick,isNickyourtwinbrother?-Yes,andImthirtyminutes_thanhim.A.fatterB.tallerC.heavierD.older2)-Doyoulikethetwoskirts?-Theyellowoneisgoodbutthegreenonelooks_.A.nicerB.niceC.bestDA2.两者或两部分相比（甲大于乙），用“比较级than”表示3）.Thisruleris_(long)thanthatone.4）.Whichschoolbagis_(heavy),thefirstoneorthesecondone?5)Thefoxis_(beautiful)thantherabbit.longerheaviermorebeatiful3）.Thisruleris_(3.比较级中的比较级中的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.thelargerBC3.比较级中的theBC4.“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.n练习：1).Whenwintercomes,thedaysget_.nA.shortandshortB.shorterandshorterC.longandlongD.longerandlonger2）.Thingsaregetting_.A.dangerousanddangerousB.moredangerousandmoreC.moreandmoredangerous.BC4.“比较级and+比较级”的结构不与其他事物相比，表示5.“the+比较级比较级,the+比较级比较级”的结构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.mostAC5.“the+比较级,the+比较级”的结构表示一方6.可以修饰比较级的副词可以修饰比较级的副词n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：nItmuchwarmertoday.nThisproblemisalotmoredifficultthanthatone.n练习：1)Thisyearourschoolis_thanitwaslastyear.A.muchmorebeautifulB.muchbeautifulC.themostbeautifulD.beautifulA6.可以修饰比较级的副词用much,far,still,evn用所给出词的适当形式填空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?longerheavierlongerbiggertaller用所给出词的适当形式填空:1.Thisruleris_Therearemanyanimalsinthezoo.Thetigerisvery_(big).Buttheelephantis_(big)thanthetiger.Themonkeyisvery_(clever).Itcanjumpvery_(high).Therabbitisvery_(beautiful)and_(lovely).bigbiggercleverhighbeautifullovelyTherearemanyanimalsinthThefoxis_(beautiful)thantherabbit.Thewolfisvery_(tall).Thehorseis_(tall)thanthewolf.Theyarevery_(happy)inthezoo.Bobis_(young)thanFredbut_(tall)thanFred.10Yingtianisnotas_(tall)asYongxian.12.Whichis_(heavy),ahenorachicken?morebeautifultalltallerhappyyoungertallertallheavierThefoxis_(选择填空选择填空1.Tomis_thanLucy.nA.tallB.thetallerC.tallerD.moretall2.Asecondhandcarismuch_thananewoneinthesamebrandandmodel(型号型号).A.cheapB.cheaperC.expensiveD.moreexpensive3.Itis_todaythanyesterday.A.verycolderB.quitecolderC.morecolderD.muchcolder4.Todaysheis_thanyesterday.A.verybetterB.alittlebetterC.wellD.bestCBDB选择填空1.Tomis_thanLucy.C55.Mybookis_thanLilysbook.nA.goodB.betterC.best6.Whichoneis_?Winterorsummer?nA.hotB.hotterC.hottest7.Mybookbagisas_asmysistersbookbag.nA.bigB.biggerC.biggest.8.Ahorseis_thanadog.nA.muchheavyB.moreheaviernC.muchheavierD.moreheavy9.UsuallyXiaoLispends_timedoinghomeworkthanXiaoChendoes.A.littleB.lessC.fewD.fewerBBACB55.Mybookis_thanL何时用？何时用？当我们要当我们要将三个或三个以上的事物进将三个或三个以上的事物进行比较行比较时，可以用形容词或副词的最时，可以用形容词或副词的最高级形式来表达。高级形式来表达。形容词和副词的最高级的变化形式：形容词和副词的最高级的变化形式：.规则变化规则变化:在词尾加在词尾加-est或在单词前或在单词前面加面加most形容词、副词的最高级何时用？最高级的用法最高级的用法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,用形容词副词的最练习：1)Lookatthatredcar!Ithinkits_intheworld.A.morebeautifulB.sobeautifulC.themostbeautiful2)whichis_,thesun,themoonortheearth?-Ofcourse,thesunis.A.smallerB.thesmallerC.biggestD.thebiggestCD练习：CD2.在在which_,_or_?句中句中,表示三者或三者以上表示三者或三者以上比较比较,例如：例如：whichisthebiggest,thesun,themoonortheearth?太阳太阳,月亮月亮,地球地球,哪一个最大哪一个最大?n练习：练习：1）Whois_(tall)Mike,LucyorMary?2).Whichis_(cheap)theone,thesecondoneorthethirdone?3).Whowrites_(careful)Mike,LucyorMary?thetallestthecheapestmostcarefully2.在which_,_or_?句中,表示三者或三者以3.形容词最高级表示形容词最高级表示“最最之一之一”时，可用时，可用“oneofthe+形容词最高级形容词最高级+复数名词复数名词”，例如：例如：Edisonwasoneofthegreatestinventorsintheworld.爱迪生是世界上最为大的发明家之一爱迪生是世界上最为大的发明家之一.n练习：练习：1）Heisoneofthe_(friendly)peopleintheclass,Ithink2）.Sheisoneofthe_(popular)studentsinherclass.mostfriendlymostpopular3.形容词最高级表示“最之一”时，可用“oneof4.形容词最高级的前面常有形容词最高级的前面常有the,如形容词最高级如形容词最高级的前面有的前面有my等形容词性物主代词等形容词性物主代词,Chinas等名等名词所有格修饰时，词所有格修饰时，the要省去。例如：要省去。例如：1).Thisismybusiestday.这是我最忙的一天。这是我最忙的一天。2).TheChangjiangRiverisChinaslongestriver.长江是中国最长的河流。长江是中国最长的河流。n练习：练习：nSaturdayismy_(busy)dayinaweek.busier4.形容词最高级的前面常有the,如形容词最高级的前面有5.形容词最高级可以被形容词最高级可以被very修饰，表示强调修饰，表示强调Illdomyverybest.我一定要尽力而为。我一定要尽力而为。6.most有时和形容词连用有时和形容词连用,前面用不定冠词前面用不定冠词,表示表示“非常非常”Itsamostusefulbook它是一本非常有用的书。它是一本非常有用的书。5.形容词最高级可以被very修饰，表示强调Illd可修饰最高级的词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.Bmostexpensive可修饰最高级的词最高级可被序数词以及much,byfa用所给词的适当形式填空用所给词的适当形式填空1.Thepeacock(孔雀孔雀)isthe_(beautiful)animalinthezoo.2.Thegiraffeisthe_(tall)animalinthezoo.3.There are three apples and the red one is the _(big)of them.4.Qomolangma is the _(high)mountain in the world.mostbeautifultallestbiggesthighest用所给词的适当形式填空1.Thepeacock(孔雀)5.TheChangjiangRiveristhe_(long)riverinChina.6.Sueisalittle_(beautiful)thanhersister.7.Myroomisnotas_(big)asmybrothers.8.-Howdifficultisphysics?-Imnotsure.-Isit_(difficult)thanmaths?-Idontthinkso.longestmorebeautifulbigmoredifficult5.TheChangjiangRiveristhe9.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.wellbetterbestbusiestfatterfattercheaperearlier9.Annieplaysthepianovery_14.Lionsrun_thantigers.Cheetahsrunthe_.(fast)15.Yesterday,Alicewenttoschool_.Davidwenttoschooleven_thanAlice.TanMeiarrivedatschoolthe_.MissWangwasveryangrywithallofthem.(late)16.Ofthetwogirls,IfindLucythe_(clever).17.Gold(黄金黄金)is_(little)usefulthaniron(铁铁).18.Mysisteristwoyears_(old)thanI.fasterfastestlatelaterlatestclevererlessolder14.Lionsrun_thanti18.Johnsparentshavefourdaughters,andsheisthe_(young)child.19.The_(cheap)bagsarethenotusuallythebestones.20.Theshortoneisbyfar_(many)expensiveofthefive.21.Theboyisnotso_(interesting)ashisbrotheryoungestcheapestmostinteresting18.Johnsparentshavefourd选择填空选择填空1.Whojumped_ofall?A.farB.fartherC.farthestD.themostfar2.LiLeiis_studentinourclass.A.tallB.tallerC.tallestD.thetallest3.Thefifthorangeis_ofall.Giveittothatsmallchild.A.bigB.biggerC.thebiggerD.thebiggestCDD选择填空1.Whojumped_ofall?4.Whois_ofyouthree?A.theoldestB.mucholderC.oldestD.older5.Tomisoneof_boysinourclass.A.tallestB.tallerC.thetallestD.thetall6.Englishisoneof_spokenintheworld.A.theimportantlanguagesnB.themostimportantlanguagesC.mostimportantlanguagenD.themostimportantlanguage7.Beijingisoneof_inChina.A.thelargestcityB.thelargecitiesnC.thelargercitiesD.thelargestcitiesACBD4.Whois_ofyouthree?.Whichis_,theelephantorthetiger?A.heavyB.heavierC.theheavierD.alittleheavy9.Hefeels_todaythanyesterday.A.tiredB.moretiredC.moretirederD.muchtired10.Whichdoyoulike_,coffee,teaormilk?A.theworstB.worseC.theworseD.worstBBA.Whichis_,theelephan