英語比較級和最高級

英語比較級和最高級英語比較級和最高級英語比較級和最高級xxx公司英語比較級和最高級文件編號(hào)：文件日期：修訂次數(shù)：第1.0次更改批準(zhǔn)審核制定方案設(shè)計(jì)，管理制度一、比較級和最高級的講解變化規(guī)則1．一般單音節(jié)詞和少數(shù)以-er，-ow結(jié)尾的雙音節(jié)詞，比較級在后面加-er，最高級在后面加-est；（1）單音節(jié)詞如：small→smaller→smallestshort→shorter→shortesttall→taller→tallestgreat→greater→greatest（2）雙音節(jié)詞如：clever→cleverer→cleverestnarrow→narrower→narrowest2．以不發(fā)音e結(jié)尾的單音節(jié)詞，比較在原級后加-r，最高級在原級后加-st；如：large→larger→largestnice→nicer→nicestable→abler→ablest3．在重讀閉音節(jié)（即：輔音＋元音＋輔音）中，先雙寫末尾的輔音字母，比較級加-er，最高級加-est；如：big→bigger→biggesthot→hotter→hottestfat→fatter→fattest4．以“輔音字母＋y”結(jié)尾的雙音節(jié)詞，把y改為i，比較級加-er，最高級加-est；如：easy→easier→easiestheavy→heavier→heaviestbusy→busier→busiesthappy→happier→happiest5．其他雙音節(jié)詞和多音節(jié)詞，比較級在前面加more，最高級在前面加most；如：beautiful→morebeautiful→mostbeautifuldifferent→moredifferent→mostdifferenteasily→moreeasily→mosteasily注意：（1）形容詞最高級前通常必須用定冠詞the，副詞最高級前可不用。例句：TheSaharaisthebiggestdesertintheworld.（2）形容詞most前面沒有the，不表示最高級的含義，只表示"非常"。Itisamostimportantproblem.=Itisaveryimportantproblem.6．有少數(shù)形容詞、副詞的比較級和最高級是不規(guī)則的，必須熟記。如：good→better→bestwell→better→bestbad→worse→worstill→worse→worstold→older/elder→oldest/eldestmany/much→more→mostlittle→less→leastfar→further/farther→furthest/farthest一、寫出下列形容詞和副詞的比較級形式。1.long_______2.tidy______3.hot_____________4.large________5.thin_________6.good_____________7.bad_________8.little_________9.sincere____________10.much_______11.early_________12.fast_____________13.hard_______14.difficult_________15.badly____________16.far_________17.carefully_________18.instructive________19.easily______20.often____________二、形容詞、副詞的比較級和最高級的用法1．“A+be+形容詞比較級+than+B”意思為“A比B更……”。如：Thistreeistallerthanthatone.這棵樹比那棵樹高。注意：①在含有連詞than的比較級中，前后的比較對象必須是同一范疇，即同類事物之間的比較。②在比較級前面使用much，表示程度程度“強(qiáng)得多”。如：Awatermelonismuchbiggerthananapple.③very,quite一般只能修飾原級，不能修飾比較級。2．“比較級+and+比較級”或“moreandmore+原級”表示“越來越……”如：Itbecomeswarmerandwarmerwhenspringcomes.春天來了，天氣變得越來越暖和了。Itisgettingcoolerandcooler.天氣越來越?jīng)鏊?。Thewindbecamemoreandmoreheavily.風(fēng)變得越來越大。Ourschoolisbecomingmoreandmorebeautiful.我們的學(xué)校變得越來越美麗。3．在含有or的選擇疑問句中，如果有兩者供選擇，前面的形容詞要用比較級形式。如：Whoistaller,TimorTom誰更高，Tim還是Tom

4.“the+比較級……,the+比較級”，表示“越……越……”。Themoremoneyyoumake,themoreyouspend.錢你賺得越多，花得越多。Thesooner，thebetter.越快越好。5.表示倍數(shù)的比較級用法：①.Ais…timesthesize/height/length/widthofB.如：Thenewbuildingisthreetimestheheightoftheoldone.這座新樓比那座舊樓高三倍。(新樓是舊樓的四倍高)②.Ais…timesasbig/high/long/wide/largeasB.如：AsiaisfourtimesaslargeasEurope.亞洲是歐洲的四倍大。(亞洲比歐洲大三倍)③.Ais…timeslarger/higher/longer/widerthanB.如：Ourschoolistwicebiggerthanyours.我們學(xué)校比你們學(xué)校大兩倍。6.形容詞、副詞的最高級形式主要用來表示三者或三者以上人或事物的比較，表示“最……”的意思。句子中有表示范圍的詞或短語。如：ofthethree,inourclass等等。如：Heisthetallestinourclass.他在我們班里是最高的。HelikesEnglishbestofallthesubjects在所有學(xué)科中，他最喜歡英語。7."否定詞語+比較級"，"否定詞語+so…as"結(jié)構(gòu)表示最高級含義。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.8.比較級與最高級的轉(zhuǎn)換：Mikeisthemostintelligentinhisclass.=Mikeismoreintelligentthananyotherstudentinhisclass9.修飾比較級和最高級的詞1）可修飾比較級的詞①.abit,alittle,rather,much,far,byfar,many,alot,lots,agreatdeal,any,still,even等。②.還可以用表示倍數(shù)的詞或度量名詞作修飾語。③.以上詞(除byfar)外，必須置于比較級形容詞或副詞的前面。注意：使用最高級要注意將主語包括在比較范圍內(nèi)。(錯(cuò))Tomisthetallestofhisthreebrothers.(對)Tomisthetallestofthethreebrothers.2)下列詞可修飾最高級：byfar,far,much,mostly,almost。Thishatisnearly/almostthebiggest.注意：a.very可修飾最高級，但位置與much不同。Thisistheverybest.Thisismuchthebest.b.序數(shù)詞通常只修飾最高級。Africaisthesecondlargestcontinent.10.要避免重復(fù)使用比較級。(錯(cuò))Heismoreclevererthanhisbrother.(對)Heismorecleverthanhisbrother.(對)Heisclevererthanhisbrother.11.要避免將主語含在比較對象中。(錯(cuò))ChinaislargerthatanycountryinAsia.(對)ChinaislargerthananyothercountryinAsia.12.要注意對應(yīng)句型，遵循前一致的原則。ThepopulationofShanghaiislargerthanthatofBeijing.Itiseasiertomakeaplanthantocarryitout.13.要注意冠詞的使用，后有名詞的時(shí)候，前面才有可能有名詞。比較：Whichislarger,CanadaorAustraliaWhichisthelargercountry,CanadaorAustraliaSheistallerthanhertwosisters.Sheisthetallerofthetwosisters.二、根據(jù)句意，用所括號(hào)內(nèi)所級形容詞的比較等級形式填空：1.Bobis_________(young)thanFredbut___________(tall)thanFred.2.Yingtianisnotas___________(tall)asYongxian.3.Almostallthestudents'facesarethesamebutLiDeminglooks_______(fat)thanbefore.4.Whichis_________(heavy),ahenorachicken5.--How_________(tall)isSally--She's1.55metres________(tall).WhataboutXiaoling--She'sonly1.40metres________(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlintheclass.6.Heis______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe_________(friendly)peopleintheclass,Ithink.9.Adictionaryismuch(expensive)thanastory-book.10.Anorangeiaalittle______(big)thananapple,butmuch________(small)thanawatermelon.11.TheChangjiangRiveristhe_______(long)riverinChina. 12.Sueisalittle___________(beautiful)thanhersister.13.Myroomisnotas_________(big)asmybrother's.14.--Howdifficultisphysics?--I'mnotsure.--Isit________(difficult)thanmaths?--Idon'tthinkso.15.--Annieplaysthepianovery___________(well).--Sueplaysit_____(well)thanAnnie.AndSallyplaysitthe_______(well).16.Saturdayismy_________(busy)dayinaweek.17.Hermotherisgetting____________(fat)and________(fat).18.Ithinkit'stooexpensive.I'dlikea_____________(cheap)one.19.Hecomestoschoolmuch____________(early)thanI.20.Thisbookisnotas_____________(interesting)asthatone.21.Yourclassroomis__________(wide)and___________(bright)thanours.22.Practiseas__________(much)asyoucan.23.The________(much),the____________(good).24.Nowadays(現(xiàn)在)Englishis________(important)thananyothersubject.25.Mostofthestudentsthinkalionismuch________(dangerous)thanabearanditisthe__________(dangerous)animalintheworld.26.Mr.Smithis_________maninthisoffice.(rich)27.Winteris_________seasonoftheyears.(cold)28.Thisradioisnotso________asthatone.(cheap)29.Itismuch_______todaythanyesterday.(hot)30.Sheisalittle________thanherclassmates.(careful)31.________peoplecametothemeetingthanlasttime.(many)32.Whichbookis________,thisoneorthatone

(easy)

33.Myroomis_______thanyours.(small)34.Hainanis_______fromBeijingthanHunan.(far)35.Skatingis_______thanswimming.(exciting)36.Jimis_______thanalltheothers.(honest)37.Thingsaregetting_______and_______.(bad)38.Thehigheryouclimb,the_______itwillbe.(cold)39.Nowhislifeisbecoming________and_______.(difficult)40.Thereare_______boysthangirlsinourclass.(few)一、1.nicer/nicest2.fatter/fattest3.slower/slowest4.drier/driest5.happier/happiest6.wetter/wettest7.more/mos