形容词比较级和最高级

形容词1、形容词表示某一事物或人的特征，副词表示某一动作的特征。形容词和副词有三种形式：原形、比较级、最高级。比较级：+er??、more+?????；?最高级：the…+est、?most两个重要特征：as……as中间一定用原形，than的前面一定要+er。2.?形容词、副词比较级和最高级有规则变化和不规则变化1）规则变化构?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/?/或-est/ist/cold??fast??以字母e结尾的形容词，加-r或-estnice??large??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-er或-estbig??hot??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-esteasy??early??多音节词和部分双音节词在词前加more或mosttired??easily???2）不规则变化：原??级比?较?级最?高?级many/much??little/few??good/well??bad/ill??far??old?(表新旧)??(表兄弟姊妹之间的长幼)?3）比较级前的修饰词：much,even?甚至,(by)far?大大地,alittle?有点,abit?有点,still,yet,a?lot?很,非常?常考知识点一?:形容词的比较级和最高级的构成（1）.??????以不发音的e结尾，直接加-r或-st:nice—nicer—nicest?????large—larger—largest（2）.??????以辅字母+y结尾的，变y为i，再加-er或-est:?easy—easier—easiest????????????happy—happier—happiest（3）.??????以“辅元辅”结尾的，双写末尾字母，再加-er或-est:???big—bigger—biggest???????????????????????????????常见的还有：thin,fat,wet,red,sad?????????????????????hot—hotter—hottest?????????????（4）.?????不规则变化：????good—better—best??????????????????many/much—more—most???????(好坏多少远老)???????bad—worse—worst???????????????????little(少)—less—least?????????????????far—farther/further—farthest/furthest????????????????????????????????????old—older/elder—oldest/eldest?（5）.??????其他较短的单词，直接在词尾加-er或-est。??small—smaller????short—shorter（6）.??????对于较长的单词，在其前加more，most即可。popular—morepopular—themostpopular??????????????delicious—moredelicious—themostdelicious?【中考题】1.ThisT-shirtisnotlargeenough.Pleaseshowmea_______one.???????????????????????????????A.large??????B.larger??????C.largest2.Sheisthe____________(good)studentinherclass.注意：下列词为易错，?few—fewer???new—newer—newest??clever—cleverer???tired—moretired?????????????????????????pleased—morepleased?常考知识点二?:含有比较级的句型结构1)????????Ais...thanB:??A比B更?????Theearthisbiggerthanthemoon.2)????????Adosth...thanB:??A比B更??Heworksharderthanus.???????【中考题】Chinahasbecomemuch__________(strong)thanbefore.Weareproudofher.3)????????Which/Whois,AorB????“A和B哪个/谁更...?”4)????????...and...???“越“越来越...”???????Whenspringcomes,thedaysaregetting?longerandlonger.5)????????moreandmore...“越来越...”???????Thesongisbecomingmoreandmorepopular.【中考题】Manypeopleprefertravelbyplane.Theythinkaplaneisfasterand_______(safe)thanatrain.6）the,the...“越...就越...”???????Thebusierheis,thehappierhefeels.???????Themoreyouhave,themoreyouwant.【中考题】CanyoutellmewhyyoulearnEnglishsowell??????????????????It’sverysimple.________youwork,________gradesyouwillget.?????????????????????A.Theharder,thebest????????B.Thehard,thebetter?????????????????????????C.Harder,Better???????????D.Theharder,thebetter?常考知识点三：比较级的修饰语当强调比较级的程度时，可以在形容词(或副词)的前面使用much,alittle,alot,even,still等。注意：quiet,so,very,enough这些词后面不能接比较级。只能接原级。??????????????Itismuchcoldertodaythanyesterday.??????????????Myappleisalittlebiggerthanyours.【中考题】Thefirstcomputerswerebuiltinthe1940s.Theywereeven____________(big)thancars.?使用形容词比较级时的三个注意事项(易错点)：1)????????比较的对象前后要保持一致。???????(√)ThepopulationofShanghaiislargerthan?thatof?Beijing.???????(×)ThepopulationofShanghaiislargerthanBeijing.2)????????避免将主语包含在比较对象中。???????(√)ChinaisbiggerthananycountryinAfrica.???????(×)ChinaisbiggerthananyothercountryinAfrica.3)????????避免重复使用比较级：???????(√)Heisclevererthanhisbrother.???????(×)Heis?morecleverer?thanhisbrother.【中考题】Tomis___________(tall)thananyotherplayersintheschoolteam.?????????????????????A.tall?????B.taller????C.tallest?????D.moretaller?常考知识点四：形容词最高级的用法形容词最高级用于三者及以上的比较，表示在一定范围内“最...”。范围通常用in/of/among...来表达。形容词的常考句型：1)????????Aisthe...in??????????Heisthetallestinhisclass.???????或Aisthe...of????????Heisthetallestofthethreeboys.???????或Aisthe...among???Heisthetallestamongthethreeboys.【中考题】Breakfastis________mealoftheday.Itprovidesuswithenergyafteralongnightwithoutfood.???????A.important?????B.moreimportant????C.themostimportant????D.veryimportant?2)????????Aisoneof?the最高级+复数名词???A是最...的之一。???????JayChouisoneofthemostpopularsingersinTaiwan.???????Chinaisoneofthelargestcountriesintheworld.【中考题】Whatdoyouthinkofthefilmyousawyesterday??????????????????????Oh!It’soneof___________filmsI’veeverseen.A.interesting??????B.moreinteresting????C.mostinteresting?????D.themostinteresting?3)????????A?isthefirst?最高级+复数名词???A是第一最...的...???????TheChangjiangRiveristhefirstlongestriverinourcountry.【中考题】印度是世界上第二人口大国。??????????????India??has??the__________________populationintheworld.?4)????????Which/Whoisthe...,A,BorC????A,B?和C，哪个/谁最...????????Whichisthebiggest,thesun,theearthorthemoon????????Whoisthethinnest,Kate,TomorMike??Step5：【课堂训练】一、单项选择1.--LiLeiis??atIthinkIcandothanhim.（2011中考）;better??????????;best?????????;good?????????;thebest2.—Whydon’tyoulikewinterinBeijing?(2010中考)—Becauseitis________winterinGuangzhou.A.ascoldas?????B.muchcolderthan???C.notsocoldas????D.notcolderthan3、—Whatshouldwedonow,Mr.Clark??（2013年黄冈，35）???—PleaseturntoPage_____andlookatthe_____picture.?????A.Twelve;fifth??????B.Twelfth;fifth??????C.Twelve;five?????????D.Twelfth;five4、?—Howwasyourweekend??（2012年广州，29）??—Great!Itwasmygrandfather’s______birthday.Weenjoyedourselves.?A.seventy??????????????B.seventieth?????????C.theseventieth????????D.seventeenth5、ThreestudentsranfasterthanLilyintherace.Lilywas________.(2012年佛山，34)?A.thefourth?????????????B.four??????????????C.thethird????????????D.three6、—IsBeijingacitywithalonghistory?(2012年湛江，23)—Ofcourse.AndaftertheOlympicGames,__peoplecametoBeijingforavisitduringthevacation.?A.thousandsof????????B.thousand???????C.fivethousands????????D.fivethousandof二、用所给词的适当形式填空。1、Shewillbemuch___________(happy)inhernewhouse.2、Ofthetwogirls,IfindLucythe___________(clever).3、How_______(tall)isSally???She’smeters_______(tall).WhataboutXiaoling？??She’sonlymeters________(tall).Sheismuch_________(short)thanSally.Sheisalsothe________(short)girlintheclass.4、Sheisoneofthe___________(friendly)peopleintheclass,Ithink.5、Whichis___________(heavy),ahenorachicken?6、The__________(much),the_________(good).7、Yourclassroomis__________(wide)and__________(bright)thanours.8、Mysisteristwoyears_________(old)thanme.9、John’sparentshave3sons,andJohnisthe_________(young)child.10、Thecheapestbagisnotalwaysthe_________(bad)one.11、Whichofficerchairis_________(expensive),theredoneortheblackone?12、Tomhas_________(good)marksinEnglishthanAlice.13、Beijingisthe_________(big)cityinChina.14、Whohas_________(many)stamps,Jim,HelenorMary?三、根据中文提示完成下列句子。1.?今天比昨天热多了。Itismuch_________today_________itwasyesterday.2.?我的书包比她的书包重。Mybagis__________________hers.3.?你们班上谁最受欢迎？Whois___________________________studentinyourclass?4.?我们用更低的价钱买到了电脑，比预期中的要幸运。Weboughtthecomputerata__________________andwewere_________thanweexpected.?Step6：课后作业?????一、用所给词的适当形式填空。1.Thankyoufor_________(help)me!2.Shewenttoseeafilmwithout_________(tell)herparents.3.Everydayhespendsanhour_________(practise)thepiano.4.MissSmithtoldmehow_________(use)adictionary.5.Thelittleboyused_________(be)abadstudent.Buthestudieswellnow.6.Wecanusecomputers__________(search)theInternet.7.Thebigdogcandomanythingslike_________(catch)thieves.8.Thelittlegirlisgoodat_________(play)thepiano.9.Areyouable_________(finish)yourhomeworkinanhour.10.Thiscomputerwas__________(make)inChina.二、完型填空。?????Computersareveryusefulandhelpfultoday.Wemiddleschoolstudentslikecomputersverymuch.Some__1___usethemtoplaycomputergames,whilesomeusethemto__2___usefulinformation.?????Myfatherboughta__3___asabirthdaypresentformelastyear.Itbecamemybestfriend.I'dliketo__4____onthecomputerassoonasIgotbackhome.Atweekends,Ioftenplayedgames__5___withmyfriends.ImadealotoffriendsontheInternet.Butmyeyesightbecame__6___,andIwasunableto__7___myhomeworkwithoutmyglasses.Myfathertookawaythecomputer.HetoldmethatIshould__8___myeyes.?????Thecomputeris_9___usednowadays.Itcannotonlyhelpuswork,butalsoofferusallkindsofgames.Butifwespendtoomuchtime___10___infrontofthecomputer,itwilldoharmtoourhealth.Weshouldmakegooduseofit.(???)1.A.students????B.teachers????C.doctors?????D.workers(???)2.A.lookat????B.lookafter????C.lookup?????D.lookto(???)3.A.machine???B.book??????C.toy??????????D.computer(???)4.A.stand?????B.play????????C.take?????????D.jump(???)5.A.inline????B.online??????C.withline?????D.outofline(???)6.A.betterandbetter??????????B.brighterandbrighter??????C.strongerandstronger??????D.worseandworse(???)7.A.cut?????B.finish????C.kill??????D.say(???)8.A.getalongwellwith???B.takecareof???C.learnabout???D.beinterestedin(???)9.A.loudly??????B.widely????C.narrowly??????D.quietly(???)10.A.sitting????B.sleeping????C.eating???????D.singing三、阅读理解。?????????IstheAmericanclassdifferentfromours?Let'slearnaboutittogether!????Beontime!TheythinkitisimpolitetobelateinAmerica.Ifyoucomelate,besuretoenterquietly.Youdon'tneedtoknockatthedoorbeforeyougointotheclassroom.????Iftheteacherasksaquestion,youshouldgiveananswer.Ifyoudon'tunderstandthequestion,youshouldraiseyourhandandasktheteachertorepeatthequestion.Ifyoudon'tknowtheanswer,itisallrighttotelltheteacherthatyoudon'tknowit.????Copyinganotherstudent'stestpaperisneveracceptable(可接受的).Theycallitcheating.AtmostschoolsinAmerica,theykickoutthestudentswhocheat.????InAmerica,youshoulduseMr,Miss,MsorMrsbeforeyourteacher'slastname,not"teacher".????Beforegoingintoateacher'soffice,youshouldknockatthedoorfirst.Knockfirst,andthenwait.(??)1.Whentheteacherasksaquestion,youshould_______.A.giveananswer??B.raiseyourhand??C.repeatthequestion??D.knowtheanswer(??)2.You_____beforeyougointotheclassroomifyouarelate.A.needtoknockatthedoor???B.don'tneedtoknockatthedoorC.needtobeinvitedin???????D.don'tneedtocomein????(??)3.Whatdotheunderlinedwords"kickout"mean?A.Asksomeonetodomuchhomework.???B.Makesomeoneleavetheschool.C.Makesomeonecomeintotheschool.???D.Asksomeone'sparentstogototheschool.(??)4.Ifateacher'snameisTimGreen,studentsshouldcallhim_______.A.Tim?????B.MrTim?????C.Gr