比较级和最高级的用法

Unit6第五课时比较级和最高级的用法形容词比较级一般用在比较两个事物的时候。最高级，顾名思义就是在比较时候，某一事物具有某方面最典型的特征。一、形容词、副词的比较级、最高级的构成规则：1一般在形容词、副词后加上er表示比较级加上est表示最高级原级比较级最高级1）smallsmallsmall2)youngyoungyoung3)fastfastfasteresteresterest2以不发音的e结尾的，只加上r表示比较级，加上st表示最高级。1)largelargelarge2)nicenicenice3)finefinefinerstrstrst3以辅音字母+y结尾的，把消去y,然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）earlyearlyearly2)happyhappyhappyieriestieriest4双写最后一个辅音字母，然后加上er表示比较级；加上est表示最高级。原级比较级最高级1）bigbigbig2)thinthinnerthinnest3)wetwetterwettest4)fatfatterfattest5)hothotterhottestgergest⑤多音节词或部分双音节词的比较级和最高级在其前面加more或most。beautiful—morebeautiful—mostbeautifulimportant—moreimportant—mostimportantInteresting–moreinteresting–mostinterestingquickly–morequickly–mostquicklytired–moretired–mosttiredhappilyhappilyhappilyheavilyheavilyheavilyexpensivecarefuleasilydeliciouswonderfulpopulardangerous构成方法原级比较级最高级单音节词和少数多音节词一般在词尾加-er/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest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-es或-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，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mosttiredmoretiredmosttiredeasilymoreeasilymosteasily单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。变化如下：不规则变化，要多加注意哦！good→→bad→→many→→little→→well→→badly→→much→→far→→betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremost原级比较级最高级fastshortbigthinfunnyheavyathleticexpensivefarfastershorterbiggerthinnerfunnierheaviermoreathleticmoreexpensivefartherfurtherfastestshortestbiggestthinnestfunniestheaviestmostathleticmostexpensivefarthestfurthest修饰比较级的词much(…的多)、far(…的多)、alot(…的多)、even(更…)、still（仍然）、any(任何)abit(…一点儿)alittle(…一点儿)eg:①Thiscityismuchmorebeautifulthanthatone.这座城市比那座城市漂亮的多。②Todayisevenhotterthanyesterday.③Shedrivesstillmorecarefullythanherhusband.她开车仍然比她丈夫认真。1）两者（A与B）进行比较，“A比B较/更……”。A+谓语+比较级+than+BTom比Sam高。TomistallerthanSam.Tom比Sam跑得快。TomrunsfasterthanSamThisbridgeislongerthanthatone.Ourschoolislargerthantheirs.（2）两者（A与B）进行比较，“A比B大/长/高……”A+谓语+数量词+比较级+than+Beg:Tom比Sam大两岁。TomistwoyearsolderthanSam.（3）两者（A与B）进行比较，“哪一个更/较……”Which/Who谓语+比较级,AorB?eg:数学和英语哪一科较简单？Whichiseasier,mathorEnglish?Tom和Sam谁跑得更快？Whorunsfaster,TomorSam?（4）两者（A与B）进行比较，“其中A是两者中较…”A+谓语+the+比较级+ofthetwo(+名词复数).eg：Tomisthetallerofthetwoboys.汤姆是这两个男孩中最高的.（5）比较级+and+比较级，表示“越来越…”eg：Nowitishotterandhotter.现在越来越热。shorterandshorter越来越短longerandlonger越来越长moreandmorebeautiful越来越漂亮moreandmoreinteresting越来越有趣TomisastallasMike.as+形容词原形+asThereareasmanystudentsinourschoolasyours.TomisthreetimesasoldasMike.the+比较级…，the+比较级…“越…，就越…”eg：越多越好。Themore,thebetter.Themoreyoueat,thefatteryouwillbecome.表示倍数时用:…times+比较级+than…eg:Myroomisthreetimesbiggerthanyours三、形容词、副词的最高级形容词和副词的最高级常用来表示三者或三者以上人或物的比较。最高级前加定冠词the1、主语+谓语+the+最高级+of/in/among短语。表示“主语是……中最……的”。①Mymotheristhebusiestinmyfamily.我妈妈是家中最忙的。②Ijump(the)farthestinmyclass.我是我们班跳得最远的。③Tomisthetallestofallthestudents.Tom是所有学生中最高的。2、oneofthe+最高级+名词复数“最……之一”。BeijingisoneofthelargestcitiesinChina.北京是中国最大城市之一。3、the+序数词+最高级+名词表示“第几大／长／高……”TheYellowRiverthesecondlongestriverinChina．黄河是中国第二长河。4、Which/Who+谓语+the+最高级,A,BorC?表示“三者中哪一个更、最……”Whichisthebiggest,themoon,theearthorthesun?月球、地球和太阳哪一个更大？•注意：当最高级前有物主代词修饰时，其前不加•定冠词the.It’sourlargestmachineinourfactory.。1.Whichdoyoulike______(well),applesororanges?2.Whois______(old),JimorTom?3.Jackisrunning_____and______(fast).4.Ourcountryisbecoming______and___________(beautiful).5.Heis________(tall)ofthethetwoboys.betterolderfasterfastermoremorebeatifulthetallerI.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.bestmoreinterestingearlyearlierearliestlongestmostdeliciousthemoredifficult四.单项选择。1.Lucyisveryshort,butsheis__________thanhersister.A.shorterB.longerC.tallerD.older2.Frankis__________friendlythanhisbrother.A.alittlemoreB.afewmoreC.muchD.alittle3.Samis__________atChinesethanJim.A.goodB.wellC.betterD.gooder4.Thisoneistoolarge.Canyoushowmea__________one?A.largerB.largeC.smallD.smaller5.—DoyouthinkMarchis__________thanJanuary?—Yes,it’s__________warmer.A.better,alittleB.well,muchB.C.worse,veryD.nicer,quite6.I’m__________quieterthanSusan.A.littleB.fewC.alittleD.afew7.Thewatchisnot__________beautifulasthatone.A.veryB.tooC.soD.more8.HisFrenchisn’tsogoodas__________.A:heB:himC:hisD:hers9.It’smuchbetterthan__________classes.A.haveB.hasC.tohaveD.having10.Herbagisnewerthan__________.A.mineB.myC.meD.I11.The__________,thebetter.A.muchB.manyC.moreD.most12.Doyouknowwhois__________ofthetwins?A.shorterB.heavierC.theolderD.thefunny13.TheweatherinNorthChinaiscolderthan__________inSouthChina.A.\B.thisC.theoneD.that13.Whichoneis__________,thisoneorthatone?A.goodB.badC.bestD.worse14.Heis__________thanme.A.olderB.elderC.youngD.moreyounger1