2023年(八升九)新九年级暑假衔接自学课(人教版)第6讲形容词、副词的比较等级1.形容词和副词的比较级与最高级的变化规则(1)规则变化情况规则例词一般情况直接加-es/-esttall→taller→tallest以不发音的字母e结尾的词加-r/-stnice→nicer→nicest以"辅音字母+y"结尾的词变y为i,再加-er/-estdry→drier→driestheavy→heavier→heaviest以一个辅音字母结尾的词先双写辅音字母,再加-er/-estthin→thinner→thinnest多音节和部分双音节单词在词前加more/mostdelicious→moredelicious→mostdelicious(2)不规则变化原级比较级最高级good,wellbetterbestbad,illworseworstmany,muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest2.形容词/副词原级的用法(1)用于"as...as..."结构中,否定形式为notas/so...as...。Thispictureisnotsogoodasthatone.这幅画不如那幅好。LiHua’sshoesareas________asZhangHui’s.A.cheapB.cheaperC.thecheapest(2)表示"A是B的……倍"时,用A+谓语动词+倍数+as+原级+asB。Ourschoolistwiceaslargeastheirs.我们学校是他们学校的两倍大。(3)修饰形容词原级的词:very,too,so,enough等。Thegirlissobeautiful.这个女孩是如此的漂亮。3.形容词/副词比较级的用法(1)A+谓语动词+比较级+thanB...A比B……Mybikeismorebeautifulthanhers.我的自行车比她的好看。Peteris15yearsold.Heis_________thanhisfather.A.tallB.tallerC.tallestD.thetallest【答案】B【解析】本题用寻找题眼法。由句中的than可知本空应用形容词的比较级形式。(2)Which/Who+谓语动词+比较级,AorB?Whorunsfaster,JimorTom?谁跑得更快,吉姆还是汤姆?—Whichseasondoyoulike__________inPanzhihua,thedryseasonorrainyseason?—Therainyseason.A.wellB.betterC.bestD.thebest【答案】B(3)表示"越来越……"时用比较级的重叠结构,即"比较级+and+比较级",多音节词和部分双音节词用"moreandmore+原级"。It’sbecomingcolderandcolder.天气变得越来越冷了。Theproblemisbecomingmoreandmoreserious.问题变得越来越严重了。—Royneverlikesjunkfood.—NeitherdoI.That’sprobablywhyI’mbecoming_______now.A.healthyandweakB.healthierandhealthierC.weakerandweakerD.moreandmorehealthily【答案】B(4)表示"越……就越……"时用"the+比较级,the+比较级"。Themorecarefulyouare,thefewermistakesyouwillmake.你越细心,犯的错就会越少。Theearlierkidslearntobeindependent,the__________itisfortheirfuture.A.goodB.wellC.betterD.best【答案】C【解析】本题用固定句式法。句意:孩子们越早学会独立,对他们的未来就越好。固定句式the+比较级...,the+比较级...表示"越……,就越……"。(5)表示"两者之间比较……的一个"时常用"the+比较级+ofthetwo"。Heisthethinnerofthetwo.他是两个中较瘦的那一个。Ofthetwoshirts,I’dliketochoosethe__________onetosavesomemoneyforacap.A.cheapestB.cheaperC.moreexpensiveD.mostexpensive【答案】B【解析】根据句中"Ofthetwoshirts"可知本句是两者之间的比较,应用比较级。句意"两件衬衫中,我想要选较便宜的那件,省下来的钱买一顶帽子。"(6)修饰比较级的词和短语有alittle,abit,alot,much,far,even等。YouarealittlethinnerthanJim.你比吉姆瘦点儿。Theboxwas_______thanIhadexpected.IwasoutofbreathwhenIgothome.A.moreheavierB.muchheavierC.littleheavierD.veryheavier【答案】B4.形容词/副词最高级用法(1)三者或三者以上比较用最高级,形容词最高级前加the,副词可不加。句末常跟in/of短语表示范围。Tomisthecleverestinhisclass.汤姆是他班里最聪明的。Herunsfastestintheclass.在这个班里他跑得最快。—Lilyhastwosisters,doesn’tshe?—Yes.She’stallerandolderthanhertwosisters,butshe’snot_________oneofthethree.A.thetallestB.youngestC.shortestD.thecleverest【答案】D【解析】本题用寻找题眼法。由句中ofthethree可知本空应用形...