小学英语形容词的比较级和最高级省公开课金奖全国赛课一等奖微课获奖课件

Lesson1:形容词、副词的比较级和最高级1/34Adj.adv.2/34用来修饰动词、形容词、其它副词、全句或名词词组及句子词。e.g.very,early,quickly,etc.Herunsfast.Todayisveryhot.Pleasereaditloudly.3/34用以修饰名词，表示事物特征词。e.g.long,tall,short，cheap,hungry,etc.普通来说，汉字意思是“……”词是形容词，而汉字意思是“……地”词是副词。4/34形容词比较级用于二者（人或事物）之间比较，表示其中一个比另一个“更……”或“较……”，后面用连词than连接另一个所比较人或事物。比如：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：5/34①在含有连词than比较级中，前后比较对象必须是同一范围，即同类事物之间比较*比较应在同类事物中进行.②在比较级前面使用much，表示程度程度“强得多”。如：Awatermelonismuchbiggerthananapple.③very,quite普通只能修饰原级，不能修饰比较级。比较级注意6/34young-yonger-yongestold–older-oldest

tall-taller-tallestsmall-smaller-smallestearly-earlier-earliestthirsty-thirstier-thirstiest1.普通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结尾形容词，加-r

或-st4.以“辅音字母＋y”结尾形容词，先改“y”为“i”，再加-er

或-est.big—bigger-biggestfat—fatter-fattest形容词比较级最高级规则nice–nicer-nicestsafe–safer-safest3.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.一7/345.部分双音节词或多音节词前面加more,most.如:interestingmoreinterestingmostinterestingfamousmorefamousmostfamous8/34原级比较级最高级good/wellbetterbestbad/illworseworstmanymuchmoremostlittlelessleastfarfarther/furtherfarthest/furthest

oldolder/elderoldesteldest不规则变化两好、两坏、两多、一少、一远、一老.9/34Readandcompare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyoungeryoungestlongerlongestfullerfullest

shortershortestsmallersmallestolderoldest

finerfinesteasiereasiesthungrierhungriest

earlierearliestheavierheaviestbiggerbiggestredderreddest10/34healthymanyfamousexcitingcarefullywethotlittlefewhealthierhealthiestmoremostmorefamousmostfamousmoreexcitingmostexcitingmorecarefullymostcarefullywetterwettesthotterhottestlessleastfewerfewest11/34词尾变化原级比较级最高级单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾词加-r或-sttallhardlargewide以重读闭音节结尾词末尾只有一个辅音字母应双写辅音字母再加er或estbighotthinfatwet以辅音字母+y结尾词变为i再加-er,或-esthappydryearly

narrowclever多音节词和多数双音节词在其前面加more和mostdifficultpopularslowlytallerharderlargerwidertallesthardestlargestwidestbiggerhotterfatterwetterbiggesthottestfattestwettesthappierdrierearlierhappiestdriestearliestnarrowercleverernarrowestcleverestmoredifficultmorepopularmoreslowlymostdifficultmostpopularmostslowly少数以-er,-ow结尾双音节词可加-er或-est规则变化12/34原级goodwellbadillmanymuchlittlefarold比较级最高级betterbestworseworstlessmoremostfarther/furtherolder/elderleastfarthest/furthestoldest/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13/34.其主要句型有：(1)A+be+比较级+than+B

e.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、副词比较等级使用方法A+行为动词+副比+than+物体B.Dogsrunfasterthangoats.Hestudiesbetterthanme14/34最高级概念：形容词、副词最高级形式主要用来表示三者或三者以上人或事物比较，表示“最……”意思。句子中有表示范围词或短语。如：ofthethree,inourclass等等。如：Heisthetallestinourclass.他在我们班里是最高。15/34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.16/343）.最高级:形容词最高级要加定冠词the,副词最高级可省略the,主要句型有:⑴the+最高级+ofinJimworkshardestofusall.Mymotheristhebusiestinmyfamilye.g4）疑问词+动词+最高级5)which…likebest,A,BorC?最高级用法：17/34

构成方法原级比较级最高级单音节词和少数双音节词普通在词尾加-er/ə/或-est/ist/talltallertallestfastfasterfastest以字母e结尾形容词，加-r或-stnicenicernicest以重读闭音节结尾且末尾只有一个辅音字母时，应先双写这个辅音字母；再加-es或-estbigbiggerbiggestthinthinnerthinnest以“辅音字母+y”结尾词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mostbeautifulmorebeautifulmostbeautifulinterestingmoreinterestingmostinteresting一、形容词比较等级规则改变以下：18/34二、不规则形容词比较级最高级原级比较级最高级good/wellbetterbestmany/muchmoremostlittlelessleastill/bad/badlyworseworstfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest19/34练习1.tall________________2.nice________________3.strong________________4.old________________5.big________________6.thin________________7.heavy________________8.beautiful________________9.good________________tallerstrongeroldertalleststrongesoldestbiggerbiggestthinnerthinnesnicernicestheavierheaviestmorebeautifulmostbeautifulbetterbest20/34形容词和副词比较级和最高级组成：规则改变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

21/342.以字母e结尾词只加-r或-st组成比较级和最高级。nicenicernicestfinefinerfinestwhitewhiterwhitest3.重读闭音节以一个辅音字母结尾，应先双写辅音字母，再加-er或-est.bigbiggerbiggest22/344.以辅音字母加-y结尾词，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组成比较级和most组成最高级，eg.slowly---moreslowly---mostslowly；beautiful---morebeautiful---mostbeautiful23/34不规则改变:个别形容词比较级和最高级是不规则改变，需个别记忆。

e.g.good(well)

better

best

bad(badly,ill)

worse

worst

many(much)

more

most

little

less

least

far

father

/further

farthest/furthest24/34改错：1.I’mthanyou.2.Heisthanme.3.You’reinourschool.4.Whois,youorme?5.Sheisinherfamily.tallyounggershortestfattalleryoungertheshortestfatterthethinnestthinest25/34选择填空1.WhichdoesJimmylike

,ChineseorArt?A.wellB.bestC.betterD.much2.TheChangjiangRiverisoneof

intheworld.thelongestriverB.longestriversC.thelongestriversD.longerrivers3.

ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful4.Mymooncakeisnicer

his.A.likeB.withC.forD.than5.Youarefatterthan

.A.heB.hisC.himD.heistall6.Myhairislongerthan

.A.mysisterB.KateC.mybrother’sD.Lucys’CCBDAC26/3416.Motheris

inmyfamily.A.busyB.busierC.thebusiestD.morebusy18.Thedumplingsare

thanthenoodles,Ithink.A.morenicerB.muchdeliciousC.veryniceD.muchmoredelicious19.Sheis

thanmeatdrawings.A.betterB.bestC.goodD.harder20.-Thisbluesweateristoobigforme.-Willyoupleaseshowmea

one?A.smallB.smallerC.thesmallestD.smallestCDAB27/34改错Lesson9ismoreeasierthanLesson10.Mymotherisyoungerthanyour.Heisoneoftallestboysinhisclass.Bettyistheyoungestonthethreegirls.Motheristhebusiestofmyfamily.Jimisshorterofthetwoboys.youthetallestoftheshorterin28/34一．1.Myschoolis

_____,butTom’sschoolis_____thanmine.(small)2.Rabbitscanrun_______,buttigerscanrun_____thanrabbits.(fast)3.Pigis________,butelephantis______thanpig.(heavy)4.I’m_________,butsheis_____________thanme.(beautiful)5.Everydayis_______.Buttodayis______thanbefore.(busy)6．Mybrotheristwoyears______(old)thanme.

7.Isyoursister_______(young)thanyou?Yes,sheis.8.Whois________(thin),youorHelen?Helenis.

Exercisesmallfastfasterheavierheavymorebeautifulbeautifulbusierbusyolderyoungerthinnersmaller29/349.Whosepencil-boxis_____(big),yoursorhers?Hersis.

10．Benjumps______(high)thansomeoftheboysinhisclass.

11．DoesNancysing______(well)thanHelen?Yes,shedoes.

12．Myeyesare________(big)thanhers.

13．Whichis________(heavy),theelephantorthepig?

14．Whogetsup______(early),TimorTom?

15．Dothegirlsgetup____(early)thantheboys?No,they_____.

16．Jimruns____(slow).ButBenruns_____(slow).biggerhigherbetterbiggerheavierearlierearlierdon’tslowslower30/34二、依据句意写出所缺单词(1)I’m12yearsold.You’re14.I’m________thanyou.(2)Arabbit’stailis________thanamonkey’stail.(3)Anelephantis________thanapig.(4)Alakeis________thanasea.(5)Abasketballis________thanaping-pong.oldershorterheaviersmallerbigger31/34以How开头问句（仅限小学阶段）：

Howareyou?

Howold…?

Howtall…?

Howlong…?

Howb