1、形容词比较级和最高级单音节和少数双音节形容词一般在单音节和少数双音节形容词一般在词词尾加尾加-er构成比较级构成比较级，加加-est构成最高级构成最高级，具体变化规则如下：具体变化规则如下：1）一般在词尾加）一般在词尾加erest。例如：。例如：fast fast fastest,newnewer newest2)以以e结尾结尾的，在词尾加的，在词尾加r/st即可。例如：即可。例如：large larger largest，late later latest 3)以以重读闭音节结尾重读闭音节结尾的形容词如的形容词如末尾只有末尾只有一个辅音字母一个辅音字母，先，先双写双写这一字母，然后这一字母，
2、然后再加再加er。例如：。例如：big bigger biggest，thin thinner thinnest4)辅音字母加辅音字母加y结尾结尾的单词，的单词，变变y为为i，然，然后再后再加加-er/est。例如：例如：busy busier busiest，easy easier easiest多音节词在前面加more构成比较级，加most构成构成最高级最高级n原级 比较级最高级最高级beautiful more beautiful most beautifuldifficult more difficult most difficultimportant more important m
3、ost importantinteresting more interesting most interesting原级 比较级最高级最高级careful more careful most careful famous more famous most famousexciting more exciting most excitingdelicious more delicious most delicious expensive more expensive most expensive以以-ly结尾的副词，除结尾的副词，除early外，比较级最高外，比较级最高级均用级均用more,mo
4、stn原级 比较级最高级最高级early earlier earliestslowly more slowly most slowlybravely more bravely most bravely quickly more quickly most quickly friendly more friendly most friendlyfriendly friendlier friendlist也有少数形容词的比较级和最高级是也有少数形容词的比较级和最高级是不规则的不规则的n原级原级 比较级最高级比较级最高级ngood/well better bestnmany/much more mos
5、tnlittle less leastnold older/elder oldest/eldestnbad/ill/badly worse worstnfar farther/further farthest/fartherst写出下列单词的比较级和最高级写出下列单词的比较级和最高级ntall_ short _ nnice_ nlate_ nearly_ nhappy_ nhot_ nfat_ ndelicious_nbeautiful_ ngood _ bad_ taller tallestshorter shortestnicer nicestlater latestearier eari
6、esthappier happiesthotter hottestfatter fattestmore delicous most delicousmore beautiful most beautifulbetter bestworse worst形容词比较级的用法形容词比较级的用法两者相比（甲乙），用两者相比（甲乙），用“as+形副词的原形副词的原级级as”表示表示 e.g:Tom is as tall as Jack.She could do as well as a man.它的否定形式是它的否定形式是:not as(so)+形副词的原级形副词的原级ase.g:I didnt do m
7、y homework so(as)carefuly as you.She isnt as(so)careful as you.练习：练习：1)-The classroom is _clean_it was yesterday.-Sorry,I forgot to clean it.A.as;as B.so;as C.not so;as D.more;than2)-In some counties,water is _oil.A.so dear as B.as dear as C.dear as D.so dear3).I think PE is as_(important)as English
8、.CBimportant4）.He isnt _ me.A.so tall as B.as taller as C.tall as D.so tall5).They listen to the teacher as _ as me.A.careful B.carefully C.more careful D.carefuler6)Yingtian is not as _(tall)as Yongxian.ABtall2.两者或两部分相比（甲大于乙），用两者或两部分相比（甲大于乙），用“比较级比较级than”表示例如表示例如：This room is bigger than that one.I
9、 am taller than you.练习：1)-Dick,is Nick your twin brother?-Yes,and Im thirty minutes_than him.A.fatter B.taller C.heavier D.older2)-Do you like the two skirts?-The yellow one is good but the green one looks_.A.nicer B.nice C.bestDA3）.This ruler is_(long)than that one.4）.Which schoolbag is _ (heavy),t
10、he first one or the second one?5)The fox is _ _(beautiful)than the rabbit.longerheaviermore beatiful3.比较级中的比较级中的the 句中有of the two,比较级前要加the,表示“两者人物之间比较的”，例如：Bob is the taller boy of the two boys1)Of the two Australian students,Masha is_one.I think you can find her easily.A.tallest B.the taller C.tal
11、ler D.the tallest 2)Which is _country of the two country?A.largest B.larger C.the largest D.the largerBC4.“比较级and+比较级”的结构 不与其他事物相比，表示本身程度的改变，用“比较级and+比较级”的结构，意为“越来越”.例如：The weather is getting warmer and warmer.Our country is becoming more and more beautiful.n练习：1).When winter comes,the days get _.n
12、A.short and short B.shorter and shorter C.long and long D.longer and longer2）.Things are getting _.A.dangerous and dangerous B.more dangerous and more C.more and more dangerous.BC5.“the+比较级比较级,the+比较级比较级”的结构的结构 表示一方随另一方程度变化时，用“the+比较级,the+比较级”的结构例如：The more you eat,the fatter you will be The more yo
13、u study,the more you know.练习：1)The more you learn,the more_you can get a job.A.easily B.easier C.easy D.easiest2).The more you study,the_you know.A.many B.much C.more D.mostAC6.可以修饰比较级的副词可以修饰比较级的副词n用much,far,still,even,a lot等副词来修饰形容词和副词的比较级，表示程度，放在比较级之前例如：n It much warmer today.nThis problem is a lo
14、t more difficult than that one.n练习：1)This year our school is _than it was last year.A.much more beautiful B.much beautiful C.the most beautiful D.beautifulAn用所给出词的适当形式填空用所给出词的适当形式填空:1.This ruler is_(long)than that one.2.Which schoolbag is _ (heavy),the first one or the second one?3.Which river is _(
15、long),the Changjiang River or the Huang River?4 Who has got _(big)feet,Feng Qinghe or Yu lianjie?5.Who is _(tall),Song Jinlong or Yu lianjie?longerheavierlongerbiggertallerThere are many animals in the zoo.The tiger is very _(big).But the elephant is _(big)than the tiger.The monkey is very _(clever)
16、.It can jump very _(high).The rabbit is very _(beautiful)and _(lovely).bigbiggercleverhighbeautifullovelyThe fox is _ _(beautiful)than the rabbit.The wolf is very_(tall).The horse is _(tall)than the wolf.They are very _(happy)in the zoo.Bob is _(young)than Fred but_(tall)than Fred.10Yingtian is not
17、as _(tall)as Yongxian.12.Which is _(heavy),a hen or a chicken?more beautifultalltallerhappyyoungertallertallheavier选择填空选择填空1.Tom is _ than Lucy.nA.tall B.the taller C.taller D.more tall2.A second hand car is much _ than a new one in the same brand and model(型型号号).A.cheap B.cheaper C.expensive D.more
18、 expensive 3.It is _ today than yesterday.A.very colder B.quite colder C.more colder D.much colder4.Today she is _ than yesterday.A.very better B.a little better C.well D.bestCBDB55.My book is _ than Lilys book.n A.good B.better C.best6.Which one is _?Winter or summer?n A.hot B.hotter C.hottest7.My
19、book bag is as _as my sisters book bag.n A.big B.bigger C.biggest.8.A horse is _ than a dog.n A.much heavy B.more heavier n C.much heavier D.more heavy9.Usually Xiao Li spends _ time doing homework than XiaoChen does.A.little B.less C.few D.fewerBBACB何时用？何时用？当我们要当我们要将三个或三个以上的事物进将三个或三个以上的事物进行比较行比较时，可
20、以用形容词或副词的最时，可以用形容词或副词的最高级形式来表达。高级形式来表达。形容词和副词的最高级的变化形式：形容词和副词的最高级的变化形式：.规则变化规则变化:在词尾加在词尾加-est或在单词前或在单词前面加面加most最高级的用法最高级的用法1)三者或三者以上之中的之最,用形容词副词的最高级.形容词最高级前必须加冠词the,副词前的the可省略，常用的结构为：“be动词形容词最高级in/of/among+表范围的短语”例如：He is the tallest boy in our class.He works(the)hardest in his class.练习：1)Look at th
21、at red car!I think its_in the world.A.more beautiful B.so beautiful C.the most beautiful 2)which is _,the sun,the moon or the earth?-Of course,the sun is.A.smaller B.the smaller C.biggest D.the biggest CD2.在在which_,_or_?句中句中,表示三者或三者以上表示三者或三者以上比较比较,例如：例如：which is the biggest,the sun,the moon or the e
22、arth?太阳太阳,月亮月亮,地球地球,哪一个最大哪一个最大?n练习：练习：1）Who is _(tall)Mike,Lucy or Mary?2).Which is _(cheap)the one,the second one or the third one?3).Who writes _(careful)Mike,Lucy or Mary?the tallestthe cheapestmost carefully3.形容词最高级表示形容词最高级表示“最最之一之一”时，可用时，可用“one of the+形容词最高级形容词最高级+复数名词复数名词”，例，例如：如：Edison was on
23、e of the greatest inventors in the world.爱迪生是世界上最为大的发明家之一爱迪生是世界上最为大的发明家之一.n练习：练习：1）He is one of the_(friendly)people in the class,I think 2）.She is one of the _(popular)students in her class.most friendlymost popular4.形容词最高级的前面常有形容词最高级的前面常有the,如形容词最高级如形容词最高级的前面有的前面有my等形容词性物主代词等形容词性物主代词,Chinas 等名等名词所
24、有格修饰时，词所有格修饰时，the要省去。例如：要省去。例如：1).This is my busiest day.这是我最忙的一天。这是我最忙的一天。2).The Changjiang River is Chinas longest river.长江是中国最长的河流。长江是中国最长的河流。n练习：练习：nSaturday is my _(busy)day in a week.busier5.形容词最高级可以被形容词最高级可以被very修饰，表示强调修饰，表示强调 Ill do my very best.我一定要尽力而为。我一定要尽力而为。6.most有时和形容词连用有时和形容词连用,前面用不定
25、冠词前面用不定冠词,表示表示“非常非常”Its a most useful book 它是一本非常有用的书。它是一本非常有用的书。可修饰最高级的词可修饰最高级的词 最高级可被序数词以及much,by far,nearly,almost等修饰，表示程度例如：The Yellow River is the second longest river in China.This hat is by far the biggest.练习：1)Peter jumps_in your class.A.higher B.much highest C.taller D.tallest2).The short o
26、ne is by far _(expensive)of the five.Bmost expensive用所给词的适当形式填空用所给词的适当形式填空1.The peacock(孔雀孔雀)is the _ _(beautiful)animal in the zoo.2.The giraffe is the _(tall)animal in the zoo.3.There are three apples and the red one is the _(big)of them.4.Qomolangma is the _(high)mountain in the world.most beauti
27、fultallestbiggesthighest5.The Changjiang River is the _ (long)river in China.6.Sue is a little _(beautiful)than her sister.7.My room is not as _(big)as my brothers.8.-How difficult is physics?-Im not sure.-Is it _(difficult)than maths?-I dont think so.longestmore beautifulbigmore difficult9.Annie pl
28、ays the piano very _(well).-Sue plays it _(well)than Annie.And Sally plays it the _(well).10.Saturday is my _(busy)day in a week.11.Her mother is getting _(fat)and _(fat).12.I think its too expensive.Id like a _(cheap)one.13.He comes to school much _ (early)than I.wellbetterbestbusiestfatterfatterch
29、eaperearlier14.Lions run _ than tigers.Cheetahs run the _.(fast)15.Yesterday,Alice went to school _.David went to school even _ than Alice.Tan Mei arrived at school the _.Miss Wang was very angry with all of them.(late)16.Of the two girls,I find Lucy the _(clever).17.Gold(黄金黄金)is _(little)useful tha
30、n iron(铁铁).18.My sister is two years _(old)than I.fasterfastestlatelaterlatestclevererlessolder18.Johns parents have four daughters,and she is the _(young)child.19.The _(cheap)bags are the not usually the best ones.20.The short one is by far _(many)expensive of the five.21.The boy is not so _(intere
31、sting)as his brotheryoungestcheapestmostinteresting选择填空选择填空1.Who jumped _ of all?A.far B.farther C.farthest D.the most far2.Li Lei is_ student in our class.A.tall B.taller C.tallest D.the tallest3.The fifth orange is_ of all.Give it to that small child.A.big B.bigger C.the bigger D.the biggestCDD4.W
32、ho is _ of you three?A.the oldest B.much older C.oldest D.older5.Tom is one of _ boys in our class.A.tallest B.taller C.the tallest D.the tall6.English is one of_ spoken in the world.A.the important languages n B.the most important languages C.most important language n D.the most important language7
33、.Beijing is one of_ in China.A.the largest city B.the large cities n C.the larger cities D.the largest citiesACBD.Which is _,the elephant or the tiger?A.heavy B.heavier C.the heavier D.a little heavy9.He feels _ today than yesterday.A.tired B.more tired C.more tireder D.much tired 10.Which do you like _,coffee,tea or milk?A.the worst B.worse C.the worse D.worstBBA
