人教八年级上册英语第四单元《Section A Grammar Focus》教学课件

SectionAGrammarFocusUnit4What'sthebestmovietheater?

语言能力：（1）能够准确记忆形容词和副词最高级的变形规律；（2）能够理解并掌握形容词和副词最高级在语言表达过程中的用法；学习能力：通过完成句子和完成表格等对社会服务设施进行比较，学会对不同事物进行评价和比较，提升统筹规划能力。思维品质：（1）通过比较和评价社会服务设施，学会分析事物的特点，提升分析判断能力；（2）能够多角度评价事物，提升学生多角度认识事物的能力和多元化思维的能力。（一）变化规则形容词&副词的最高级Writethesuperlativesandcomparativesofthewords.comparativessuperlativestalllargethinheavycomfortablebadcheapmuchthinnerthinnesttallertallestlargerlargestheavierheaviestmorecomfortablemostcomfortableworseworstcheapercheapestmoremost构成方法原级比较级最高级一般在词尾加­er或­estsmallfastquicksmallerfasterquickersmallestfastestquickest以不发音的字母e结尾加­r或­stnicefinenicerfinernicestfinest以辅音字母＋y结尾的词，把y变为i，再加­er或­estlonelyhappylonelierhappierloneliesthappiest以辅音字母结尾的重读闭音节词，先双写这个辅音字母，再加­er或­esthotbigthinhotterbiggerthinnerhottestbiggestthinnest多音节词和部分双音节词在词前加more或mostslowlybeautifulmoreslowlymorebeautifulmostslowlymostbeautiful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-cheapest)词尾若有哑音e,直接就加st。(close-closest)重读闭音节，单辅音字母要双写。(big-biggest)辅音字母若加y,记得把y变为i。(friendly-friendliest)多音节，此前加上most。(popular-mostpopular)原级比较级最高级good/wellbetterbestbad/ill/badlyworseworstlittlelessleastmany/muchmoremostfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest不规则变化两好三坏老得快，两多一少差得远副词的比较级和最高级的构成和形容词的比较级和最高级的构成基本相同。形容词的最高级前要用定冠词the,副词的最高级前可用/可不用定冠词the。MountQomolangmaisthehighestintheworld.Jimjumped(the)highestof

allthestudents.fast-faster-fastestslowly-moreslowly-mostslowly形容词/副词存在比较级和最高级，对其程度进行限定修饰，形容词依旧放在n.前面，adv.依旧放在副词后面。themosthardworkingstudentworksthehardest（二）句型结构形容词&副词的最高级IthinkEnglishisthemostinteresting

ofallthesubjects.Hestudiesthehardestofthethree.Ithinkheisthebestofallthemoviestars.

IlikeGreenCitythebest

amongthethreecinemas.Miller’s

is

the

worst

among

the

clothes

stores.Tomisthetallestboyinourclass.Jimisthetallestinourclass.(1)the

+最高级+in/of/among

(>=3,可前可后)(2)

the+序数词+最高级+名词+in/of1.

MissLuisthesecondprettiestteacherinHTS.2.

TheYellowRiveristhesecondlongestriverinChina.3.

Whichisthefirstmostusefulinvention

in

the

world?

(3)...oneofthe+最高级+名词复数

，表达“最……之一”1.

Chinaisoneofthelargestcountries

intheworld.2.

LuXunisoneofthegreatestwriters

lastcentury.3.

Tomisoneofthetallestboys

inourclass.1.

Whichcityis

themostbeautiful,Xi’an,XiamenorHangzhou?2.

Whichcountryisthelargest,China,BrazilorCanada?3.

Whichseasondoyoulike(the)best,spring,summeror

autumn?4.

Who

runs

(the)fastest,Jim,TomorJack?(4)Which/Who+isthe+最高级,A,BorC?(5)如果形容词最高级前有物主代词/指示代词/名词所有格时，则不加定冠词the。1.Lisa’s

bestfriendisJenny.2.

Her

youngestdaughteris11yearsold.3.

Yesterdaywasmy

busiestday.（三）关键标志词形容词&副词的最高级Jimisthetallestinhisclass.IthinkEnglishisthemostinterestingofallthesubjects.Hestudies(the)hardestofthethree.Chinaisoneofthelargestcountriesintheworld.MissLuisthesecondprettiestteacherinHTS.Whichcityisthemostbeautiful,Xi’an,XiamenorHangzhou?Whoruns(the)fastest,Jim,TomorJack?8.Heryoungestdaughteris11yearsold.9.Eliza’sbestfriendisJenny.最高级-关键标志词the，themost，ofallthe…，intheworldoneofthe…，序数词，

谈论比较三者或以上—Isyourmath

__________?—Yes,butmyscienceis__________thanmymath.AndIthinkmyEnglishisthe__________.

(good)Therearethreecinemasinourcity.

TeenCinemaisvery

_________.TownCinemaisalittle__________thanTeenCinema.ScreenCityisthe_________

ofall.

(big)Lucywas__________,andsheis__________tomethanbefore.Sheisoneofthe_____________studentsnow.(friendly)IfoundsweatersinJeansCornerwerevery__________.ButMarytoldmesweatersinJason’sweremuch_________.Later,wefoundsweatersinMiller’swerethe__________.(cheap)goodbetterbestbigbiggerbiggestfriendlyfriendlierfriendliestcheapcheapercheapestExercisesServicebest:worst:Qualitybest:worst:Pricescheapest:mostexpensive:A:Ithink...hasthebestservice.B:Ithink...hastheworstquality.3bThinkofthreestoresthatsellsimilarthingsinyourtownandfillinthechart.Thenwritesixsentencesusingtheinformationinthechart.RestaurantsDanny'sHowmuchisameal?Howfarisitfromyourhome?10minutesbybusIstheservicegood?Isthefoodgood?3cThinkofthreerestaurantsforlunchnearyourhome.Fillinthechart.Thentalkinyourgroupandchoosethebestone.常用句型比较级表达最高级含义注意Jimisthetallestboyinhisclass.吉姆是他班上个子最高的男孩Whorusfastest,Bob,MikeorNick?鲍勃、迈克和尼克，谁跑得最快？

Chinaisoneoftheoldestcountriesintheworld.中国是世界上最古老的国家之一the+最高级+in/of短语Which/Who+谓语+最高级，A,BorC?oneof+the+最高级+复数名词用法表示三者或三者以上（人或事物）的比较形容词和副词的最高级TheYellowRiveristhesecondlongestriverinChina.黄河是中国第二长河。the+序数词+最高级+单数名词It’sthefunniestmovie(that)Ihaveeverseen.它是我看过最滑稽的电影。the+最高级+名词+（that）从句比较级+thananyother+单数名词比较级+thantheother+复数名