形容詞比較級和最高級構詞規(guī)則第1頁一、規(guī)則改變1.單音節(jié)和少數(shù)雙音節(jié)單詞，普通在詞尾加“er”或“est”。如：clean,tall,small,cheap,short,long,light,high2.以不發(fā)音字母“e”結尾單詞，直接在詞尾加“r”或“st”。如：nice,late,close,fine,large,free,rude第2頁

?

3.以重讀閉音節(jié)結尾單詞，假如詞尾只有一個輔音字母時，應先雙寫這一輔音字母，再加“er”或“est”。fat,big,red,thin,hot,fat,sad,wet

?4.以輔音字母+y結尾單詞，應先改“y”為“i”，在加“er”或“est”。happy,easy,heavy,healthy,busy,lucky,pretty,sunny,funny

?5.其它雙音節(jié)單詞和多音節(jié)單詞，都在其前“more”或“most”。(beautiful,interesting)第3頁二、不規(guī)則改變

※合二為一共三對:“壞bad”,“病ill”比較級為worse,最高級為worst.兩多many/much”比較級為more,最高級為most.“兩好good/well”比較級為better,最高級為best.

※一分為二只兩個，一是“遠far”比較級為farther/further,最高級為farthest/furthest.二是“老old”比較級為older/elder，最高級為oldest/eldest.

※還有一詞little“少”比較級為less,最高級為least.第4頁I.原級使用方法:1.as+adj/adv.原級+as(肯,否),(not)so…as(否)eg.Therulerisas

long

asthatone.Hesingsas

wellasJack.Hedoesn’tsingas(so)wellasJack.2.asmuchas,asmanyas與…一樣多eg.Ihavedoneasmuchworkashedidyesterday.Youcantakeasmanybooksasyoucan.第5頁II.比較級使用方法:1.比較級+than2.比較級+and+比較級,表示“越來越”eg.warmerandwarmer,nicerandnicer,

moreandmorebeautiful,moreandmorefun3.the+比較級…the+比較級eg.Themoreyoureadthebook,themoreinterestingyoufound.4.比較級修飾語有:much,far,even,alittle,alot,abit,rather,still,agreatdeal(大量)+adj./adv.比較級5.當比較級后沒有than,而為ofthetwo結構,比較級前加the.eg.ThetallerofthetwogirlsisMary.第6頁最高級使用方法:1.形容詞最高級用于in,of或among結構中,形容詞最高級前+theeg.Iamthebestof(among)thethree.Heisthethinnestboyinmyclass.2.副詞最高級不需+theeg.Jimgoestobed

latestinmyfamily.)3.比較級和最高級交換(比較時要把自己排除在外。注意比較范圍)eg.ShanghaiisthelargestcityinChina.ShanghaiislargerthananyothercityinChina.

第7頁IV.Others

Alice’sdietwas

lesshealthythanDanny’sdiet.(不如)(more…than勝于)ThisT-shirtisthesamesizeasthatone.Theredshirtisfiveyuancheaperthanthatblueone.Whichistheleastinterestingfilmyou’veeverseen?ThisparkisthreetimesasbigastheSummerPalace.(倍數(shù)+as…as)Thisbookcost

twiceasmuchasthatone.第8頁IthinkEnglishisas

asmaths.importantB.moreimportantC.mostimportant2.Mothergetsup

inmyfamily.earlyB.earlierC.earliestD.theearlier3.ThenextmorningJennygotupeven

.earlyB.earlierC.earliestD.theearliest4.Emilysings

ofthefivegirls.goodB.wellC.betterD.best5.Infact,Deliaisalittle

thanhereldersister.tallB.tallerC.tallestD.thetallest6.Heididoesnotjumpso

asJane.A.highB.higherC.highestD.thehighest第9頁7.Ofallthestarsthesunis

tous.closeB.closerC.closestD.theclosest8.Barbarafeltmuch

thanbeforeafterdark.coldB.colderC.coldestD.thecoldest9.This