新概念-U8比较级课件

Unit8Thebestandtheworst1.Abigblackbugbitabigblackbear,madethebigblackbearbleedblood.大黑虫咬大黑熊，大黑熊流血了！2.Afleaandaflyflewupinaflue.Saidtheflea,"Letusfly!"Saidthefly,"Letusflee!"Sotheyflewthroughaflawintheflue.一只跳蚤和一只苍蝇飞进烟道里。跳蚤说：「让我们飞吧！」苍蝇说：「让我们逃跑吧！」就这样，牠们就飞越了烟道里的一条裂纹。3.Atidytigertiedatietightertotidyhertinytail.一只老虎将领带系紧，清洁牠的尾巴.Tonguetwister:Wordsenterentersb⁄sth.forsth.['ɛntɚ]使参加为...报名参加...neat[ni:t]整齐的,整洁的;path[pɑːθ]小路,小径Confucius[kən'fju:ʃjəs]孔子good-looking['ɡud'lukiŋ]相貌好看的compare[kəm'peə]比较comparesb.⁄sth.with⁄tosb.⁄sth.inorder['ɔːdə]整齐地OlympicGames[əˈlɪmpɪk]beat[biːt]获胜,赢gain[geɪn]获利;收获gainsth.fromsth.⁄sb.Listen&Answerquestions:1.WhyisJoe'sgardenthemostbeautifuloneinthetown?2.HasJoegotagarden?3.Whatdoesnearlyeveryoneenterfor?4.Whowinseverytime?5.Whosegardenhasmoreflowersandvegetables?6.Whosegardenismoreinteresting?bigbigger

Lookatthepicturesandunderstand看图并理解

Lookatthepicturesandunderstand看图并理解bigbiggerbiggestfast

Lookatthepicturesandunderstand看图并理解fastfaster

Lookatthepicturesandunderstand看图并理解fastfasterfastest

Lookatthepictures

andunderstand

看图并理解形容词和副词的级:形容词和副词有三个等级：

原级、比较级、最高级1.原级：即形容词和副词的原形。

small,good,pretty,big,manyhard,happily,slowly,quickly

①程度副词very,too,so,quite等修饰形容词和副词的原级。如：verytall、toohot、socoldquiteinteresting

run

quickly

②

as…as,(与…一样）notas（so)…as（与…不一样）中间用原级。Thestoryisasinterestingasthatone.Thequestionisnotas/sodifficultasthatone.2.比较级：两个人或物之间的比较。表示“较……”或“更……一些”。标志词：than(比）

单音节词通常是-er结尾；多音节或部分双音节词通常在之前加more.

如:smaller,better,taller,older,more,harder

moreinteresting,morequickly3.最高级：三个或三个以上的人或物之间的比较。

标志词：in+大范围,ofall,of+the+具体的数字

表示“最……”的意思。（两者以上用最高级）

单音节词通常是-est结尾；多音节或部分双音节词通常在之前加most.在形容词的最高级前必须加the;副词之前可以不加。如：smallest,tallest,newest,best

mostinteresting,mostdifficultly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/ə/或-est/ist/coldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest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-es或-estbigbiggerbiggesthothotterhottest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-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mosttiredmoretiredmosttiredeasilymoreeasilymosteasily单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。变化如下：

不规则变化，要多加注意哦！good→→bad→→many→→little→→well→→badly→→much→

→

far→→betterbestworseworstmoremostlessleastbetterbestfartherfarthestworseworstmoremostimportant

_______________________________

easy______________________________________wet_______________________________________happy____________________________________careful__________________________________thin___________________________________good____________________________________hot______________________________________easily____________________________________many____________________________________nice____________________________________big_____________________________________heavy__________________________________delicious________________________________much____________________________________给出下列词的比较级和最高级

moreimportantmostimportanteasiereasiestwetterwettesthappierhappiestmorecarefulmostcarefulthinnerthinnestbetterbesthotterhottestmoreeasilymosteasilymoremostnicernicestbiggerbiggestheavierheaviestmoredeliciousmostdeliciousmoremostMoreexamples:1.Maryiscleverer

thanherlittlesister.2.Thenewbuildingishigher

thantheoldone.3.Hisshirtismoreexpensive

than

mine.4.Kateismorebeautiful

thanLilyis.

5.Sheisfiveyearsolder

thanIam.6.Heis2centimeterstaller

than

her.7.Thisruleris20centimeterslonger

thanthatone.比较级的用法：…than…1.汤姆比杰克高.

2.这只箱子要比那只箱子大.

3.那些苹果比这些大.

4.第一个问题很容易,但第二个更容易.TomistallerthanJack.Thisboxisbiggerthanthatone.Thoseapplesarebiggerthantheseones.Thefirstquestionisveryeasy,butthesecondoneiseasier.(2)数量的比较1.我的笔比你的多.2.我喝的茶比他多.3.他吃的饭比我少.4.一班的学生比二班多.Ihavemorepensthanyou(do).Idrinkmoreteathanhe(does).HehaslessricethanI(do).TherearemorestudentsinClass1thaninClass2.Moreexamples:1.Heistheyoungest

ofallthechildren.2.Thisbookisthemostinteresting

ofallbooks.3.Americaisthemostdevelopedcountry

intheworld.4.TheChangjiangRiveristhelongestriver

inChina.5.HeisoneofthegreatestscientistsinChina.6.Thecityisoneofthemostbeautifulcities

intheworld.7.Lucyisoneofthetallestgirls

inherclass.8.Givemybestwishestoyou.9.Heismybestfriend.形容词最高级的用法 (…in…;…of…) 那个短发的女孩是我们班最高的. 今天是一年中最热的一天. 他的房间是三个中最干净的一个. 上海是中国最大的城市.Thegirlwithredhairisthetallestinourclass.Todayisthehottestdayoftheyear.Hisroomisthecleanestofthethree.ShanghaiisthelargestinChina.注意1.Thenewbuildingishigherthantheoldone.Thoseapplesarebiggerthantheseones.2.Hisshirtismoreexpensivethan

mine.如果主语是物主代词+名词，那么后面要用名词性物主代词。比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或as之后不要漏掉可能出现的替代词that，those,one,ones.注意3.Kateismorebeautiful

thanLilyis.

Sheisfiveyearsolder

thanIam.

Idrinkmoreteathanhe(does).than前后句子的时态相同。通常用be动词情态动词can,may,must,could,should和助动词do,does,did,will，have等来简答。4.Ihavemorepensthanyou(do).many,much,little,few等词必须带名词。注意5.Thecityisoneofthemostbeautifulcities

intheworld.oneof+the+最高级+复数名词

Which/Who…+比较级，AorB?Which/Who…+最高级，A，BorC?6.Whoisolder,JimorTom?Whoisthetallest,Jim,MikeorTom

Whichlanguageis____,English,FrenchorChinese?A.difficultB.moredifficultC.themostdifficultC注意7.Maryisthetallestofallthesistersinthefamily.在使用形容词最高级时，一定要把自己包括在比较的范围内。8.ThisisthethirdlargestcityinChina.当表示“第二，第三”等意思时，经常在最高级的前面加second,third,等词。

9.It’sourlargestmachineinourfactory.当最高级前有物主代词修饰时，其前不加定冠词the.双音节或多音节形容词和副词的比较级和最高级的特殊情况：1、一般是在原级前加more构成比较级，在原级前加most构成最高级。

beautiful–morebeautiful–mostbeautifulinteresting–moreinteresting–mostinterestingdangerous–moredangerous–mostdangerous

2、某些单音节形容词，加more,most构成比较级和最高级。

glad–moreglad–mostgladpleased–morepleased–mostpleasedtired–moretired–mosttiredoften-moreoften-mostoften3、表示在两者之间相差的程度用“具体数字+比较级+than+比较对象”。eg:Theroadistwometreslongerthanthatone.这条公路比那条公路长两米。Thispencilisfourinchesshorterthanthatone.这只铅笔比那只铅笔短四英寸。4、有些双音节和单音节形容词，既可以加er或est构成比较级和最高级，也可以加more和most构成比较级和最高级。

friendlyhugecalmfreetrueclever5、形容词原级的比较。

形容词的原级与as……as连用表示肯定意思，是“和……一样”的意思；与notas/so……as连用表示否定意义，是“不如”或“不一样”的含义。Sheisasprettyashermother.Thebookisasnewasthatone.Thestoryisasinterestingasthatone.Thequestionisnotas/sodifficultasthatone.Mybikeisnotas/sogoodasyours.6、形容词比较级的修饰。比较级前面可以用even(更加)，much(……得多)，far(……得多)，alittle(……一点)，abit(一点)，alot(大量)，still(还，还要)等词语表示不定程度或数量。eg:Iamevenlesslucky.Sheisfarbetterthanmeatwriting.Thispenismuchbetterthanthatone.TomisalittleshorterthanhisfriendJim.7.形容词的比较级+and+形容词的比较级（前后形容词是同一个）

越来越……Sheisbecomingthinnerandthinner.Ourcountryisbecomingricherandricher.Therearemoreandmorestudentsinourschool.Livingintheworldisbecomingmoreandmoredifficult.8、the+形容词的比较级+……+the+形容词的比较级

表示“越……，就越……”Themoreyoueat,thefatteryouwillbe.Theharderyoustudy,themoreyouwillget.Thesmallerthehouseis,thelessitwillcost.Thesooner,thebetter.9、the+形容词比较级+of短语

两者中比较……的一个Sheistheprettierofthetwogirls.Thebikeistheolderofthetwo.Hisisthetallerofthetwo.Thisoneisthemorebeautifulofthethetwopicture.10.表示“……是……的几倍”，用“倍数+as+原级+as”结构，或者“倍数+比较级+than”结构。eg:Thisclassroomisthreetimesasbigasthatone.Thisclassroomistwicebiggerthanthatone.MakeComparisonsWritedownthecomparativesandthesuperlativesofthesewords

big nice long new cheap young late safe thirstyheavy easy hard high few old thin expensive interesting carefully quickly good bad little far many/muchFollowups(随堂练习)1、---MrZhou,allofthestudentsinourgroup,wholives____?---IthinkLiLeidoes.

A.fatB.fatherC.farthestD.farest2、TheChangjiangRiveris____thananyotherriverinChina.A.shorterB.longerC.shortestD.longest3、Bobneverdosehishomework____Mary.Hemakeslotsofmistakes.A.socarefulB.ascarefullyasC.carefullyasD.ascarefulas4、____sheis,____shefeels.A.Themorebusy,themorehappyB.Thebusy,thehappyC.Busier,happierD.Thebusier,thehappier5、Theweatherisgettingw____a__w____.(越来越糟糕)CBBD