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形容词比较级、最高级的构成A:cheapshortquickthicklightcoolwarmquietwildcalm最高级：the--est比较级：直接加erB:heavyeasytidydrybusyhappyhealthyhungryearly最高级：y-i--est比较级：y-i--erC:largelatenice最高级：adj.+stD:bighotthin“双写”最后的辅音字母加er/estwetfat比较级：adj.+rdeliciousdangerousinterestingpopularbeautifulcarefuloutgoing比较级：more+adj.最高级：themost+adj.多音节形容词和部分双音节形容词：betterbestfarlittleworseworstmoremostfartherfarthestlessleastgoodwellbadillmanymuch部分形容词的不规则变化：词尾变化原级比较级最高级hardlargeharderlargerbigthinwetbiggerthinnerwetterhappydryearlyhappierdrierearlierdifficultpopularmoredifficult你可以讲讲吗？？？单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾的词加-r或-st以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或est以辅音字母+y结尾的词变y为i再加-er,或-est多音节词和多数双音节词在其前面加more和most形容词比较级的规则变化：1、单音节词比较级在词尾加er，最高级加est2、以字母e结尾的词，比较级加r，最高级加st3、以辅音字母加y结尾的词，比较级改y为i加er，最高级改y为i加est4、big-bigger-biggesthot-hotter-hottestfat-fatter-fattestwet-wetter-wettestthin-thinner-thinnest5、多音节词和部分双音节词，比较级在词前加more，最高级在词前加most原级goodwellbad/badlyillmanymuchlittlefar比较级最高级betterbestworseworstlessmoremostfarther较远further进一步leastfarthest最远furthest最大程度形容词和副词有三个等级：原级比较级最高级①程度副词very,too,so,quite等修饰形容词的原级如：verytall、toohot、socoldThecarisquite/verycute.Thefloodisvery/soserious.as+adj.+as和...一样asfunnyasasbigasashappyasassmartas这个故事和那个故事一样有趣。Thestoryisasinterestingasthatone.否定形式：notas+adj.+as和…不一样这个问题不如那个问题难。Thequestionisnotasdifficultasthatone.1、A+谓语动词+比较级+than+B，表示“A比B…”I’mmoreoutgoingthanmysister.Heworksharderthanme.2、Which/Who+be+比较级，AorB？表示“A和B，哪一个更…”Whichisbetter,thisoneorthatone?3、程度副词even(甚至…)、much(…的多)、alot(…的多)、abit(…一点儿)，alittle(…一点儿)后形容词或副词用比较级。ThiscityismuchmorebeautifulthanthatoneTodayisevenhotterthanyesterday.4、the+比较级+ofthetwo…Amyistheshorterofthetwo.Davieisthtallerofthetwo.吃的越多，会变得越胖youeat,youwillbe.5、the+比较级，the+比较级越……，越……。ThemorethefatterThemore,thebetter.用括号内词语的正确形式填空1.Theflowersarevery_________.(beautiful)2.Jackplaysfootball______thanDick.(bad)3.Jimworks_________thanTom.(hard)4.Thegirlsings_____________thantheboy.(loudly)5.Thesunis__________thanthemoon.(big)6.Whichquestionis___________,thisoneorthatone?(easy)beautifulworsehardermoreloudlybiggereasier7.Ihave_________hairthanAnna.(short)Anna’shairis_________(long)thanmine.8.Icansing____________(loudly)and_____________(clearly)thanher.9.Theflowerispretty________(beautiful).10.Heistoo___________(tired)towalk.shorterlongermoreloudlymoreclearlybeautifultired选择填空1.Youknow________aboutitthanTomdoes.A.evenlittleB.evenlessC.morelittleD.moreless2.Theearthisgetting________.A.warmandwarmerB.warmerandwarmC.warmerandwarmerD.warmandwarm3.Whichoneis________,footballorbasketball?A.muchmorepopularB.popularC.popularD.muchpopularBCA5.Whichcityis________,Beijing,orFuzhou?A.beautifulB.themorebeautifulC.morebeautifulD.themostbeautiful6.IthinkP.E.is________anyothersubject（其他任何一门学科）.A.themoreimportantB.themostimportantC.asimportantthanD.moreimportantthanCD1.Mysisteris________thanI.(young)2.Shenzhenis________thanGuangzhou(clean)3.Timis________thanDenisDragon.(clever)4.Ithinkshelooks___________thaninthephoto.(beautiful)5.Theproblemis_____________thanthatone.(important)youngercleanercleverermorebeautifulmoreimportant6.Canyouwalk________thanayoungman.(far)?7.Thisroadis___________thantheotherone.(wide)8.Insummeritis_______inWuhanthaninBeijing.(hot)9.Hehas_______homeworktodothanIdotoday.(much)10.Mymother’scaris________________thanmyfather’s.(expensive)fatherwiderhottermoremoreexpensive形容词最高级的用法：1.表示三者或三者以上的人或物进行比较时，用最高级形式。形容词最高级前必须加定冠词the,句末常跟一个in/of短语来表示范围。LiLeiistheyoungestinhisfamily.LiLeirunsfastestofall.2.表示在三者或三者以上的人或物中进行选择时，用Which/Whoisthe+最高级+A,BorC?结构。Whichisthefastestthetrain,theplaneortheship?3.表示“最…的…之一”时，用“oneofthe+形容词最高级”结构，该形容词后面的名词要用复数形式。Heisoneofthemostpopularsingers.4.形容词最高级前面可以加序数词，表示“第几最…”TheYellowRiveristhesecondlongestriverinChina.4、the+序数词+最高级+单数名词+in短语“在……中是第几个……”eg：黄河是中国第二长河。TheyellowriveristhesecondlongestriverinChina.中国是世界上第三大国家。Chinaisthethirdlargestcountryintheworld.LiLei’sboxisheavy.HanMeimei’sboxisheavierthanLiLei’s.Jim’sboxistheheaviestofall.backWinteris___________seasonofayear.thecoldestbackThebeeisflyingfast.Thebirdisflyingfaster.Theplaneisflyingthefastest.backLiuXiang________________intheOlympicGames.ranfastestback2.Inourcityit’s____inJuly,butitiseven_____inAugust.A.hotter;hottestB.hot;hotC.hotter;hotD.hot;hotterD1.Thebreadis____thanthesecakesA.verydeliciousB.muchdeliciousC.moredeliciousD.asdeliciousCback3.Anelephantisthanatiger.A.HeavyB.veryheavyC.theheaviestD.heavier4.Whichsubjectis_____,physicsorchemistry?A.interestingB.mostinterestingC.moreinterestingD.themostinterestingDCbackI.用形容词的正确形式填空1.Whichdoyoulike_________(well),apples,pearsorbananas?2.Ithinkthisstoryis__________________(interesting)thanthatone.3.Inthemorningheis__________(early).Hisfatheris_________(early)thanhe.Hismotheristhe____________(early)ofthethree.4.TheYellowRiveristhesecond____________(long)riverinChina.5.Hethinkshiscornis___________________(delicious)ofallthefood.6.Ifeelmathis______________(difficult)thanChinese.bestmoreinterestingearlyearlierearliestlongestmostdeliciousthemoredifficult1.Tomis________boy