比较级最高级ppt课件

.,GrammarFocus,(二)形容词的比较级和最高级comparativesandsuperlativeswithadj.andadv.,.,short,-,shorter,small,-,smaller,nice,nicer,safe,safer,-,-,-,-,-,-,big,thin,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,.,deliciousmoredeliciousinterestingmoreinterestingimportantmoreimportantcarefully-morecarefullyquickly-morequicklyslowly-moreslowlyeasily-moreeasily,找规律：,.,大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成构成的规则变化:,形容词和副词的比较级,.,1)在形容词后直接加-er。如：short-shortersmall-smaller2)以不发音的e结尾，直接加r.如:nice-nicersafe-safer3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er。如:bigbiggerthinthinner4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er。如：easyeasierhappyhappier,.,5)多音节词和部分双音节词在词前加more。如：deliciousmoredeliciousinterestingmoreinterestingimportantmoreimportant,.,carefully-morecarefullyquickly-morequicklyslowly-moreslowlyeasily-moreeasily,.,形容词最高级的构成,tall,taller,tallest,.,B:heavyeasytidydrybusyhappyhealthyhungryearly,y-i-est,.,C:largelatenice,-st,biggest,D:big,hot,hottest,thin“双写”,thinnest,wet,wettest,fat,fattest,.,Adjective,deliciousdangerousinterestingpopularbeautifulcarefulfriendly,themost-adj.,.,用法：英语中三者或三者以上相比较，表示“最”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较的介词短语，比如:inourclass,ofthethree等。例如：WangLinisthetallestinourclass.Thistheateristhecheapestofthethree.最高级变法有以下几点：,形容词的最高级,.,a.直接加-est.如：short-shortestsmall-smallestb.以-e结尾的形容词，最高级+-st。如：largelargestnicenicestcutecutestc.以辅音字母+y结尾的形容词，变y为i+est。busybusiestheavyheaviesteasyeasiesthappyhappiestdirtydirtiest,.,d.以重读闭音节结尾，末尾只有一个辅音字母结尾的词，双写最后一个辅音字母，再加+er或+est。如：bigbiggerbiggestthinthinnerthinnestfatfatterfattesthothotterhotteste.多音节和部分双音节形容词，需在原级前+more构成比较级，+most构成最高级。如：importantmoreimportantmostimportantbeautifulmorebeautifulmostbeautifuldifficultmoredifficultmostdifficult,.,3.不规则变化：,.,最高级规则变化口诀：,最高级，很容易，一般词尾加est。(cheap-thecheapest)词尾若有哑音e,直接就加st。(close-theclosest)重读闭音节,单辅音字母要双写。(big-thebiggest)辅音字母加y,记得把y变为i。(friendly-thefriendliest)多音节，考考你，themost到底加哪里？(popular-themostpopular),.,TheComparativeSuperlativeDegreesofAdjectives&Adverbs,总结,形容词和副词比较级和最高级,.,latelater-latest,earlyearlierearliest,bigbigger-biggest,fluently/difficultmore,most,重读闭音节、末尾只有一个辅音字母双写加er或est,单音节词在词尾比较级加-er或最高级加-est,以e结尾的词，只需加r或st,以辅音字母加y结尾双音节词变y为i加er或est,部分双音节和多音节词在原级前加more或most,少数以er,ow结尾的双音节词加-er-est,talltaller-tallest,clevercleverer-cleverest,cheap,cold,small,warm,young,high,fine,nice,safe,happy,busy,dirty,easy,lazy,pretty,fat,hot,red,thin,wet,sad,narrow,yellow,quickly,slowly,useful,careful,popular,modern,形容词和副词比较级和最高级构成(规则变化),.,不规则变化,good/wellbetter-best,much/manymore-mostbad/badly/illworseworstlittlelessleastfarfarther/furtherfarthestfurthestoldolder/elderoldest/eldest,.,1.Paulisvery_.Heis_thanhisbrother.A.heavy-heavierB.heavy-heavyC.heavier-heavierD.heavy-heavyer2.Ithasthe_clothingstoreinthetown.A.goodestB.gooddestC.bestD.better3.Thisruleris_thanthatone.A.longB.longerC.thelongestD.longest4.Thisbookis_ofall.A.cheapestB.cheapD.cheaperD.thecheapest5.Heismuch_thanhisbrother.A.tallerB.tallC.thetallestD.tallest6.LiLeiis_olderthanLucy.A.quiteB.veryC.muchD.more,一.单选。,.,1.Whois_(quiet),MaryorJane?2.Lucyismuch_(smart)thanLily.3.MissDuisalittle_(outgoing)thanhersister.4.MyEnglishteacherisquite_(good)attellingstories.5.Jimrunsvery_(fast),Icantfollowhim.,Classexercises,.,Writeareport,“Myfriend”Writeaboutthethingsthataredifferentbetweenyouandyourfriend.（hair,build,character,age.)Ihaveagoodfriend.His/HernameisHe/SheisthanImthan,.,ThankYou!,.,形容词和副词比较级的用法,1.Whorunsfaster,heorshe?,2.Herunsfasterthanshe.,3.Herunsmuchfasterthanshe.,4.Hebecomeshealthierandhealthier.,5.Themoreyouexercise,thehealthieryouwillbe.,6.Sheislesshealthythanhe.,.,1.表示两者之间的选择,可用“Which/Who+比较，or?”.,2.表示两者之间的比较，通常用连词than引导，表示“更一些”,3.much/far/alot,even,still,alittle/abit修饰比较级,表示程度.,Whorunsfaster,heorshe?,Herunsfasterthanshe.,Herunsmuchfasterthanshe.,.,4.“比较级+and+比较级”表示“越来越”,5.“the+比较级,the+比较级”表示“越,越”,6.表示不及另一方时，用“less+原级+than”(双音节和多音节词),Hebecomeshealthierandhealthier.,Themoreyouexercise,thehealthieryouwillbe.,Sheislesshealthythanhe.,Heishealthierthanshe.,Shanghaiisbecomingmoreandmoremodern.,.,1.比较级+and+比较级越来越2.the+比较级,the+比较级越,越,3._youare,_mistakesyouwillmake.(你越仔细，做错的题目就越少）4._youeat,_youllbe.(你吃得越多,就越胖)5.Alicewriteswell.Marywrites_thanshe.(甚至更好）,Themorecareful,thefewer,Themore,thefatter,1.Thegirlbecomes_.(越来越漂亮）,moreandmorebeautiful,2.Theweatherisgetting_.(越来越槽糕）,worseandworse,even/stillbetter,.,1.表示三者或三者以上比较,可用”Which/Who+最高级,or?”表示.,2.最高级+of/among(同类比较)in(范围比较),4.oneof+,形容词最高级,+名词复数表示“最之一”,3.序数词修饰最高级,形容词和副词的最高级的用法,Whoisthetallest,Tom,Mike,orJack?,Tomisthetallestofthethree.,Mikeisthesecondtalleststudentinourclass.,Jackisoneofthetalleststudentsinourclass.,Tomruns(the)fastestinourclass.,.,3.LinTaois_intheclassbecausehenevergetstoschoolontime.（最懒的学生之一）4.Edisonwas_intheworld.(最伟大的发明家之一）,oneofthelazieststudents,oneofthegreatestinventors,TheYangtzeRiveris_riverintheworld.(第三长河）,thethirdlongest,2.TheAtlanticis_oceanintheworld.(第二大洋）,thesecondbiggest,Exercise:,一、翻译句子：,.,二、同义句转换,1.FlatAismoreexpensivethanFlatBFlatBis_thanFlatA.FlatBis_FlatA.FlatBisnot_FlatA.,betterthan,2.Heisthetalleststudentintheclass.Heis_intheclass.,tallerthananyotherstudent,anyother+名词单数,less,expensive,cheaper,than,as,expensive,as,.,1.HainanisaverylargeIsland.Itisthesecond_islandinchina.(large)2.Ourteacherisas_asbefore.(busy).3.Heis_amongus.(careful)4.LiLeijumpedfar_thanJim.(far)5.Thebusierheis,the_hefeels.(happy)6.IthinkYaoMingisoneof_basketballplayersinNBA.(hot),busy,themostcareful,farther,happier,largest,thehottest,三、完成句子,.,fortable3.big4.happy5.cheap6.many7.difficult8.little,betterbestmorecomfortablemostcomfortablebiggerbiggesthappierhappiestcheapercheapestmoremostmoredifficultmostdifficultlessleast,.,1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.,earlier,moreslowly,moreinteresting,二根据所给词的适当形式填空,.,4.Sheworks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6.Ithinkturkeyis_(delicious)ofall.,themostcarefully,latest,themostdelicious,.,(1)表示“最之一”的句式，要用oneofthe+形容词最高级+复数名词。例如:JingjiangHotelisoneofthebiggesthotelsinourcity.Lisaisnotoneofmybestfriends.(2)当最高级前面有物主代词或名词所有格时，不加定冠词the。例如：TomisLucysbestfriend.Tuesdayisherbusiestday.,.,2.形容词最高级的构成规则变化一般情况下，单音节或双音节的形容词最高级直接加-est。如：clevercleverestcheapcheapestfewfewestsmallsmallestyoungyoungest,.,7.Thisisoneof_filmsofthisyear.A.moreexcitingB.excitingC.themostexcitingD.mostexciting8.TheweatherinBeijingiscolderthan_.A.inGuangzhouB.GuangzhouC.thatinGuangzhouD.thatfromGuangzhou9.Tomis_ofthetwoboys.A.tallerB.tallestC.thetallerD.thetallest10.Ofmyparents,myfatherlooks_.A.oldB.olderC.theoldestD.theolder11.Thiswatchis_thanthatone.A.muchexpensiveB.expensiverC.moreexpensiverD.moreexpensive,.,二.用括号中形容词的适当形式填空。1.Iamvery_.ButTomis_thanI.Frankis_.（tired）2.Whichis_（difficult）,physicsorbiology?3.Thisbookis_thantheothertwo.Itis_ofthethree.（easy）4.Insummerits