小学英语形容词的比较级和最高级-课件PPT课件下载推荐.ppt
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,形容词比较级用于两者(人或事物)之间的比较,表示其中一个比另一个“更”或“较”,后面用连词than连接另一个所比较的人或事物。
例如:
1.Thatrulerislongerthanthisone.2.Maryisyoungerthanme(I).,“A+be+形容词比较级+than+B”意思为“A比B更”,比较级用法:
在含有连词than的比较级中,前后的比较对象必须是同一范畴,即同类事物之间的比较*比较应在同类事物中进行.在比较级前面使用much,表示程度程度“强得多”。
如:
Awatermelonismuchbiggerthananapple.very,quite一般只能修饰原级,不能修饰比较级。
比较级注意,young-yonger-yongestoldolder-oldesttall-taller-tallestsmall-smaller-smallest,early-earlier-earliestthirsty-thirstier-thirstiest,1.一般情况下在形容词或副词后加-er(比较级)或est(最高级):
2.以字母e结尾的形容词,加-r或-st,4.以“辅音字母y”结尾的形容词,先改“y”为“i”,再加-er或-est.,bigbigger-biggestfatfatter-fattest,形容词比较级最高级规则,nicenicer-nicestsafesafer-safest,3.重读闭音节词只有一个辅音字母时,应先双写辅音字母,再加-er或-est.,一,5.部分双音节词或多音节词前面加more,most.如:
interestingmoreinterestingmostinterestingfamousmorefamousmostfamous,不规则变化,两好、两坏、两多、一少、一远、一老.,Readandcompare:
younglongfullshortsmalloldfineeasyhungryearlyheavybigred,youngeryoungest,longerlongest,fullerfullest,shortershortest,smallersmallest,olderoldest,finerfinest,easiereasiest,hungrierhungriest,earlierearliest,heavierheaviest,biggerbiggest,redderreddest,healthymanyfamousexcitingcarefullywethotlittlefew,healthierhealthiest,moremost,morefamousmostfamous,moreexcitingmostexciting,morecarefullymostcarefully,wetterwettest,hotterhottest,lessleast,fewerfewest,tallerharderlargerwider,tallesthardestlargestwidest,biggerhotterfatterwetter,biggesthottestfattestwettest,happierdrierearlier,happiestdriestearliest,narrowercleverer,narrowestcleverest,moredifficultmorepopularmoreslowly,mostdifficultmostpopularmostslowly,少数以-er,-ow结尾的双音节词可加-er或-est,规则变化,better,best,worse,worst,less,more,most,farther/further,older/elder,least,farthest/furthest,oldest/eldest,不规则变化,巧记:
特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远,.其主要句型有:
(1)A+be+比较级+than+Be.gMaryismuchyoungerthanSue.
(2)(3)疑问句+动词+比较级,AorB?
e.gWhodrawsbetter,TomorJim?
(4)比较级+and+比较级,表示越来越e.gthedaysaregettingshorterandshorter.,二.形容词、副词比较等级的用法,A+行为动词+副比+than+物体B.Dogsrunfasterthangoats.Hestudiesbetterthanme,最高级概念:
形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较,表示“最”的意思。
句子中有表示范围的词或短语。
ofthethree,inourclass等等。
Heisthetallestinourclass.他在我们班里是最高的。
最高级用法:
1)A+am/are/is+the+形最高级+比较范围(of+人/物,in+地方).Iamthetallestintheclass.Pastaisthemostdeliciousfoodofthethree.,2)A+行为动词+副词最高级+比较范围(of+人/物,in+地方).Dogsrunfastestintheworld.Hestudiesbestofus.,Jimworkshardestofusall.,Mymotheristhebusiestinmyfamily,e.g,4)疑问词+动词+最高级5)whichlikebest,A,BorC?
一、形容词比较等级的规则变化如下:
二、不规则形容词的比较级最高级,练习,1.tall__2.nice__3.strong__4.old__5.big__6.thin__7.heavy__8.beautiful__9.good__,taller,stronger,older,tallest,stronges,oldest,bigger,biggest,thinner,thinnes,nicer,nicest,heavier,heaviest,morebeautiful,mostbeautiful,better,best,形容词和副词的比较级和最高级构成:
规则变化1单音节词在词尾加-er比较级,加-est最高级。
原级比较级最高级brightbrighterbrightestyoungyoungeryoungestlonglongerlongest,2.以字母e结尾的词只加-r或-st构成比较级和最高级。
nicenicernicestfinefinerfinestwhitewhiterwhitest3.重读闭音节以一个辅音字母结尾的,应先双写辅音字母,再加-er或-est.bigbiggerbiggest,4.以辅音字母加-y结尾的词,先把-y变为I,再加-er-est.easyeasiereasiest5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级,eg.slowly-moreslowly-mostslowly;
beautiful-morebeautiful-mostbeautiful,不规则变化:
个别形容词的比较级和最高级是不规则变化,需个别记忆。
e.g.good(well)betterbestbad(badly,ill)worseworstmany(much)moremostlittlelessleastfarfather/furtherfarthest/furthest,改错:
1.Imthanyou.2.Heisthanme.3.Youreinourschool.4.Whois,youorme?
5.Sheisinherfamily.,tall,youngger,shortest,fat,taller,younger,theshortest,fatter,thethinnest,thinest,选择填空1.WhichdoesJimmylike,ChineseorArt?
A.wellB.bestC.betterD.much2.TheChangjiangRiverisoneofintheworld.thelongestriverB.longestriversC.thelongestriversD.longerrivers3.ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful4.Mymooncakeisnicerhis.A.likeB.withC.forD.than5.Youarefatterthan.A.heB.hisC.himD.heistall6.Myhairislongerthan.A.mysisterB.KateC.mybrothersD.Lucys,C,C,B,D,A,C,16.Motherisinmyfamily.A.busyB.busierC.thebusiestD.morebusy18.Thedumplingsarethanthenoodles,Ithink.A.morenicerB.muchdeliciousC.veryniceD.muchmoredelicious19.Sheisthanmeatdrawings.A.betterB.bestC.goodD.harder20.-Thisbluesweateristoobigforme.-Willyoupleaseshowmeaone?
A.smallB.smallerC.thesmallestD.smallest,C,D,A,B,改错,Lesson9ismoreeasierthanLesson10.Mymotherisyoungerthanyour.Heisoneoftallestboysinhisclass.Bettyistheyoungestonthethreegirls.Motheristhebusiestofmyfamily.Jimisshorterofthetwoboys.,you,thetallest,of,theshorter,in,一1.Myschoolis_,butTomsschoolis_thanmine.(small)2.Rabbitscanrun_,buttigerscanrun_thanrabbits.(fast