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一、比较级和最高级的讲解变化规则一般单音节词和少数以结尾的双音节词,比较级在后面加最高级在后面L-er,-ow-er,力口-;est单音节词1如一small smaller—smallest一short—shorter shortesttall—taller—tallest一great—greater greatest双音节词2如一一clever cleverercleverest一narrow narrower—narrowest以不发音结尾的单音节词,比较在原级后加最高级在原级后加;
2.e-r,-st如一一一一large-larger-largest nicenicer nicestable ablerablest在重读闭音节即辅音+元音+辅音中,先双写末尾的辅音字母,比较级加
3..er,最高级加;-est如一一一一一big—bigger biggesthot hotterhottest fiatfatter fittest4・以“辅音字母+y”结尾的双音节词,把y改为i,比较级加-er,最高级加-est;如一一一一easy easiereasiest heavyheavier heaviest一busy busier-busiest happy—happier—happiest5・其他双音节词和多音节词,比较级在前面加more,最高级在前面加most;如一beautifiil^more beautifulmost beautifuldifferent—more different—most different一easily—more easilymost easily注意形容词最高级前通常必须用定冠词副词最高级前可不用1the,例句The Saharais thebiggest desertin the world.形容词前面没有不表示最高级的含义,只表示“非常”2most the,It isa mostimportant problem.=It isa veryimportant problem.有少数形容词、副词的比较级和最高级是不规则的,必须熟记6,如good—better—best well—better—best一一bad worseworst ill—worse—worstold^older/elder^oldest/eldest一many/much more—most little—less—leastfar further/farther—furthest/farthest
一、写出下列形容词和副词的比较级形式
1.long
2.tidy
3.hot
4.large
5.thin
6.good
7.bad
8.little
9.sincere
10.much
11.early
12.fast
13.hard
14.difficult
15.badl y16・far
17.carefully
18.instructive
19.easily
20.often
二、形容词、副词的比较级和最高级的用法形容词比较级意思为比更九L“A+be++than+B”“A B如:这棵树比那棵树高This treeis taller than that one.注意
①在含有连词的比较级中,前后的比较对象必须是同一范畴,即同类事物之间的比较than
②在比较级前面使用表示程度程度“强得多,much,如A watermelonis muchbigger than an apple.
③一般只能修饰原级,不能修饰比较级very,quite“比较级比较级”或+原级”表示“越来越”2,+and+more and more如It becomeswarmer andwarmer whenspring comes.春天来了,天气变得越来越暖和了It isgetting coolerand cooler.天气越来越凉爽The windbecame more andmoreheavily.风变得越来越大Our schoolis becomingmoreandmore beautiful.我们的学校变得越来越美丽在含有的选择疑问句中,如果有两者供选择,前面的形容词要用比较级形式
3.or如谁更高,还是Who istaller,Tim orTom TimTom比较级比较级“,表示“越越4,“the+the+The moremoney youmake,the moreyou spend.钱你赚得越多,花得越多The sooner,the better.越快越好表示倍数的比较级用法
5.(D.A is...times thesize/height/length/width ofB.如The newbuilding isthree timesthe heightof theold one.这座新楼比那座旧楼高三倍(新楼是旧楼的四倍高)
②.A is...times as big/high/long/wide/large asB.如Asia isfour timesas largeas Europe.亚洲是欧洲的四倍大(亚洲比欧洲大三倍)()
3.A is...times larger/higher/longer/wider thanB.如Our schoolis twicebigger thanyours.我们学校比你们学校大两倍
6.形容词、副词的最高级形式主耍用来表示三者或三者以上人或事物的比较,表示“最・・・・・・”的意思句子中有表示范围的词或短语如等等of thethree,in our class如He is the tallestin ourclass.他在我们班里是最高的He likesEnglish bestof allthe subjects在所有学科中,他最喜欢英语.”否定词语+比较级,否定词语结构表示最高级含义7+so...as”Nothing isso easyas this.=Nothing iseasier thanthis.=This is the easiestthing.比较级与最高级的转换
8.Mike isthe mostintelligent in his class.=Mike ismore intelligentthan any other studentinhisclass.修饰比较级和最高级的词9)可修饰比较级的词1等©.a bit,a little,rather,much,far,by far,many,a lot,lots,a greatdeal,any,still,even
2.还可以用表示倍数的词或度量名词作修饰语
3.以上词(除by far)外,必须置于比较级形容词或副词的前面注意使用最高级要注意将主语包括在比较范围内(错)Tom isthe tallestof histhree brothers.(对)Tom isthe tallestof thethree brothers.)下列词可修饰最高级2by far,far,much,mostly,almostoThis hatis nearly/almost thebiggest.注意可修饰最高级,但位置与不同a.very muchThis isthevery best.Thisis much thebest.序数词通常只修饰最高级b.Africa isthe secondlargest continent..要避免重复使用比较级10错He ismore cleverer than his brother.对He ismore cleverthan hisbrother.对He isclevererthanhisbrother.要避免将主语含在比较对象中IL错China is larger thatany country in Asia.对China islarger thanany othercountryinAsia..要注意对应句型,遵循前一致的原则12The populationof Shanghaiislargerthan thatof Beijing.It iseasier tomake aplan thanto carryit out..要注意冠词的使用,后有名词的时候,前面才有可能有名词13比较Which islarger,Canada orAustraliaWhich isthe largercountry,Canada orAustraliaShe istallerthan her two sisters.She isthe tallerof thetwosisters.
二、根据句意,用所括号内所级形容词的比较等级形式填空
1.Bob isyoungthan Fredbut tallthan Fred.
2.Yingtian is not astall asYongxian.
3.Almost allthe students1faces arethe samebut LiDeming looksfat thanbefore.
4.Which isheavy,a henor achicken
5.-How tallis Sally—She,s
1.55metres tall.What aboutXiaoling—She*s only
1.40metrestall.She ismuch shortthan Sally.She isalso theshortgirl intheclass.
6.He isbad at learningmaths.He ismuch badat Chineseand heisthebadatEnglish.
7.Annie saysSally isthekind personin theworld.
8.He isone ofthefriendly peoplein theclass,I think.
9.A dictionaryismuchexpensive thana story-book.
10.An orangeia a littlebig thanan apple,but muchsmallthanawatermelon.
11.The ChangjiangRiver isthe longriver inChina.
12.Sue isa littlebeautifulthan hersister.
13.My roomis notasbigas mybrother1s.
14.—How difficultis physics—F mnot sure.—Is itdifficult thanmaths—I dontthink so.
15.-Annie playsthe pianoverywell.—Sue plays itwell thanAnnie.And Sallyplaysitthewell.
16.Saturday ismy busyday ina week.
17.Her motheris gettingfatand fat.
1.11think its tooexpensive.F dlike acheap one.
19.He comesto schoolmuchearly than
1.
20.This bookis notas interestingas thatone.
21.Your classroomiswide andbrightthan ours.
22.Practise asmuch asyou can.
23.Themuch,the good.现在
24.Nowadays Englishisimportant thananyothersubject.
25.Most ofthe studentsthink alion ismuchdangerous thana bearand itis thedangerousanimal intheworld.
26.Mr.Smith isman inthis office,rich
27.Winter isseason ofthe years,cold
28.This radioisnotso asthatone.cheap
29.It ismuch todaythan yesterday,hot
30.She isalittlethanherclassmates,careful
31.people cameto themeeting thanlast time,many
32.Which bookis,this oneor thatone easy
33.My roomis thanyours,small
34.Hainan isfrom Beijingthan Hunan,far
35.Skating isthan swimming.exciting
36.Jim isthan allthe others,honest
37.Things aregetting and.bad
38.The higheryou climb,the itwill be.cold
39.Now hislife isbecoming and.difficult
40.There areboys thangirls inourclass,few
1.nicer/nicest
2.fatter/fattest
3.slower/slowest
4.drier/driest
5.happier/happiest
6.wetter/wettest
7.more/most
8.worse/worst
9.less/least
10.worse/worst
11.thinner/thinnest或
12.farther/farthest further/furthest
13.earlier/earliest
14.more careful/most careful
15.more exciting/most exciting
16.busier/busiest
二、
1.younger,taller
2.tall
3.fatter
4.heavier
5.tall,tall,tall,shorter,shortest
6.bad,worse,worst
7.kindest
8.friendlier
9.more expensive
10.bigger,smaller
11.longest
12.more beautiful
13.big
14.more difficult
15.well,better,best
16.busiest
17.fatter,fatter
18.cheaper
19.earlier
20.interesting
21.wider,brighter
22.much
23.more,better
24.more important
25.more dangerous,most dangerous
26.richest
27.coldest28cheap29hotter30more careful31More32easier33smaller34farter[further]35more exciting36more honest37worse,worse38colder39more,more difficult40fewer。