初中英语形容词副词比较级和最高级精品PPT课件

-,1,形容词、副词比较级和最高级的构成,-,2,将二者进行比较时，用比较级。,将三者或三者以上进行比较时，用最高级。,什么情况下应用比较级和最高级?,-,3,形容词和副词的比较级和最高级的构成,一、规则变化：,二、不规则变化：,-,4,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,少数以er结尾的双音节词也是直接加-er,或-est,你可以讲讲吗？,一、单音节和部分双音节词,harderhardest,fasterfastest,largerlargest,widerwidest,biggerbiggest,thinnerthinnest,drierdriest,earlierearliest,cleverercleverest,-,5,二、多音节词和部分双音节词,多音节词和部分双音节词在其前面加more和most,deliciousseriouseasily,moredeliciousmostdelicious,moreseriousmostserious,moreeasilymosteasily,-,6,better,best,worse,worst,less/fewer,more,most,farther较远further进一步,least/fewest,farthest最远furthest最大程度,三、不规则变化,older/elder,oldest/eldest,-,7,注：older一般指年龄大小Myfatherisolderthanmymother.elder指长幼关系(一般修饰名词作定语);Myelderbrotherisadriver.farther指距离更远further指抽像的,程度深的.HejumpsfartherthanTom.IwanttostudyEnglishfurther.,-,8,canyou?,moreimportantmostimportant,easiereasiest,thinnerthinnest,moreoutgoingmostoutgoing,betterbest,hotterhottest,moreexpensivemostexpensive,cheapercheapest,moremost,lessleast,-,9,比较等级用法补充：,一.原级：(同级比较),1.表示两者在某一方面相同时：as+形容词或副词的原形+as,LiMingisastallasme.李明和我一样高。TomrunsasfastasJack.汤姆和杰克跑的一样快。,2.表示一方在某一方面不如另一方时：notas/so+形容词或副词的原形+as,IamnotsobusyasIusedtobe.我不像过去那么忙了,-,10,二.比较级句型,比较级+and+比较级表示“越来越”,Ourcountryisgettingstrongerandstronger.,moreandmorebeautiful越来越漂亮,2.the+比较级，the+比较级表示“越就越”,Thebusierheis,thehappierhefeels.,-,11,3.the+比较级+of表示“两者中更的那个”,Johnisthetallerofthetwo.约翰是两个人中比较高的。,4.“which/whois+比较级，AorB?”表示“A和B中，哪一个更”,Whoisolder,LiMingorJack?,-,12,三.可以修饰比较级的词有：,1.表示程度：many，much,even,far,still,alittle,abit.,YaoMingismuchtallerthanPan.,Imtwoyearsolderthanyou.我比你大两岁Themountainis3timeshigherthanthatone.这座山比那座山高三倍,2.数词+比较级:,-,13,四.可以修饰最高级的词有：,byfar,far,much,mostly,almost,very,-,14,形容词最高级的常用句型,(三者或三者以上),谁是那四个男孩中最强壮的？,Whois_ofthefourboys?,上海是中国最大的城市.,主语+谓语动词+the+最高级+(单数名词)+in/of短语表示在某一范围内或某类人中最.,Shanghaiis_inChina.,thestrongest,thelargest,-,15,形容词最高级的常用句型,(三者或三者以上),英语是最有趣的科目之一。,Englishisoneof_ofallthesubjects.,她是学校里最漂亮的女孩之一。,主语+谓语动词+oneofthe+最高级+复数名词+in/of短语themostbeautiful“.是最.之一”,Sheisoneof_girlsintheschool.,themostinteresting,themostbeautiful,-,16,the+序数词+最高级+单数名词+in短语“在中是第几个”,黄河是中国第二长河。,Theyellowriveris_riverinChina.,中国是世界上第三大国家。,Chinais_countryintheworld.,thesecondlongest,thethirdlargest,-,17,形容词最高级的常用句型,(三者或三者以上),Whichisthebiggest,themoon,theearthorthesun?,4.“which/whois+比较级，A，BorC?”表示“A，B和C中，哪一个最”,-,18,Heistallerthananyotherboy.,Heistallerthantheotherboys.,1.A+谓语动词+比较级+than+anyother+单数名词“A比任何人或物都”2.A+谓语动词+比较级+than+theother+复数名词“A是最”,比较级与最高级之间的转换,-,19,1、Mymotheris_(busy)inmyfamily.2、Shenzhenisoneof_(big)_(city)inChina.3、TheYellowRiveristhesecond_(long)riverinChina.4、Whichis_(big),themoon,theearthorthesun?5、Thisis_(beautiful)citythatIhaveevervisited.,-,20,1、Thisbookis_(interest)thanthatone.2、Whichis_(easy),mathorEnglish?3、Thiscityismuch_(beautiful)thanthatone.4、Todayiseven_(hot)thanyesterday.5、Tomis_(tall)ofthetwoboys.,-,21,6、Myfatheristhreeyears_(old)thanmymother.7、Nowitis_and_(warm).8、The_youeat,the_(fat)youwillbecome.9、Tomisthetallestboyinhisclass.=Tomistallerthan_boyinhisclass.=Tomistallerthan_boysinhisclass.,中考热点,1.Theiceinthelakeisas_asitwasbefore.A.thinB.thinnerC.thinnestD.thethinnest2.-HowcanIspeakEnglish_you?-Youdbetterspeakmore.Ithink.AasgoodasB.morethanC.aswellasD.asmuchas,A,C,3.Inordertokeephealthy,youshouldeat_fastfood,_freshvegetablesandtakeenoughexercise.A.fewer,fewerB.less,moreC.fewer,moreD.less,less4.Mysisterisgoodatsports.shecanjump_thanme.A.highestB.veryhighC.toohighD.muchhigher,B,D,5.-Whichis_,thesun,themoonortheearth?-Ofcourse,themoonisA.smallB.smallerC.smallestD.thesmallest6.Oct.15thwasoneof_daysin2003.Shenzhou-Vwassentupsuccessfully.A.excitingB.moreexcitingC.themostexcitingD.muchexciting.,