Unit 3 Section A（Grammar 2 3a-3c）（同步课件）八年级英语上册同步课件（人教版2024）

Unit3Unit3SameorDifferent?SectionAGrammarfocus能够梳理和归纳形容词和副词比较级的结构特征、构成规则、语义及用法。2.能够在语境中正确使用as...as与(more)...than等句型进行人或物之间的比较和描述。3.能够基于表格，解析和归纳数据信息，用比较级对城市进行跨文化比较。LearningObjectivesSamTomsmart****tall******runfast****getupearly****thin******funny****hard-working****friendly******-Be动词+A+adj比较级+than+B？-Yes.../No...-Do/does+A+实义动词+adv比较级+than+B？-Yes.../No...A+v+asadj./adv.原形as+B--IsTomsmarterthanSam?--Yes,heis.HeissmarterthanSam.SamandTom--DoesTomrunfasterthanSam?--No,hedoesn't.HerunsmoreslowlythanSam.1.含义：大多数的形容词和副词都有三个级别。原级：描述事物的特征或性质比较级：

两个事物之间比较，“较...”、”更...一些”最高级：三个及以上多个事物之间比较，“最...”eg:Lilyworkshard.LilyworksharderthanLisa.Lilyworkshardestamongherclassmates.形容词和副词的用法形副词的用法形容词可放在系动词后，在句中作表语。主系表结构Itismorecolorful.

Emmasingslouder.主语谓语表语主语谓语状语修饰动词副词修饰动词、形容词，在句中作状语。副词一般放在动词之后，形容词之前；去掉副词也不会影响句子成分。Thismovieisasmovingasthatone.Mysisterisnotas/sooutgoingasme.=less+原级+than…形容词、副词的原级“as+形容词或副词原形+as”，“与……一样”否定结构：“notas/so+形容词或副词原形+as”，“不如……那样……”这个房间不如那个房间漂亮。Thisroomis___________beautiful_____thatone.=Thisroomis_____beautiful______thatone.露西起得不如艾米早。Lucy___________getup______early______Amy.notsoaslessthandoesnotas/soasTherearemoreactivitiesthisyear.Itismorecolourfulthanlastyear.EmmaistallerthanElla,butherhairisshorterthanElla’s.ElladancesbetterthanEmma,butEmmasingslouderthanher.Emmaalwaysgetsupearlierthanme,butIworkashardasher!Grammar3a.Readthesentencesandnoticethecomparativesinbold.FindmoreexamplesinSectionA.比较级Whichpartsofspeech(词性)havecomparativeforms?Therearemoreactivitiesthisyear.Itismorecolourfulthanlastyear.EmmaistallerthanElla,butherhairisshorterthanElla’s.ElladancesbetterthanEmma,butEmmasingslouderthanher.Emmaalwaysgetsupearlierthanme,butIworkashardasher!形容词形容词Tips:形容词常与be动词连用或修饰名词；

副词修饰行为动词，并往往位于动词后面。形容词形容词副词副词副词形容词(adj.)和副词(adv.)是有比较级的形式的。比较级规则变化1.一般直接+ertallshort(矮的)longshort(短的)fastslowhighlow(低的)youngoldrichpoorhard(硬的、努力的)soft(软的)dark(暗的)light(亮的，轻的)strongweak(弱的)coolcoldwarmcleanthick(厚的)cheap(便宜的)shy

tallershorterlongershorterfasterslowerhigherloweryoungerolderricherpoorerhardersofterdarkerlighterstrongerweakercoolercolderwarmercleanerthickershyercheaper3.重读闭音节双写+er2.以e结尾+rlargehuge(极/巨大的)latenicefinewide(宽的)safe(安全的)

close(近的)wise(明智的)brave(勇敢的)largerhugerlaternicerfinerwidersafercloserwiserbraver大红湿热胖瘦伤心的bigredwethotfatthinsadbiggerredderwetterhotterfatterthinnersadder4.辅音+y结尾，改y加ier5.多音节+moreeasyearlyhappyheavylazybusyfunnyluckycrazy(疯狂的)prettyuglysillyangryhungryfriendlylovelyhealthyeasierearlierhappierheavierlazierbusierfunnierluckiercrazierprettierugliersillierangrierhungrierfriendlierlovelierhealthier严肃/重的外向的舒适的舒适地仔细的/小心的仔细地/小心地seriousoutgoingcomfortablecomfortablycarefulcarefullyloudloudlyquietquietlyquickquicklyslowslowlyloudermoreloudlyquietermorequietlyquickermorequicklyslowermoreslowly原级比较级good/wellbetterbad/badly/illworsemany/muchmorelittlelessfarfarther(表示距离：“更远”)further(表示程度：“更进一步”)oldolder(新旧或年龄)elder(兄弟姐妹长幼关系)不规则形容词和副词的比较级形容词和副词比较级常用句型1e.g.I’mmoreoutgoingthanmysister.YouknowmoreaboutyourselfthanI(do).DavidjumpshigherthanI/me.当than前后所使用的动词相同时，通常用助动词代替后面的动词。该助动词也可以省略。1.A+___________+___________+than+B.2.A+___________+___________+than+B.be动词adj.比较级实义动词adv.比较级形容词和副词比较级常用句型22.Which/Who+be动词+形容词比较级,AorB?Which/Who+实义动词+副词比较级,AorB?

“哪一个/谁更……，A还是B？”WhichT-shirtis

(nice),thisoneorthatone?Whois

(active),MaryorKate?Whichoneis

(popular)amongstudents,goingtoconcertsorgoingtothemovies?nicermoreactivemorepopular形容词和副词比较级常用句型3Thetownisbecoming

(beautiful).“越来越……”

3.比较级+and+比较级或moreandmore+形容词/副词原级colderandcoldermoreandmorebeautiful

冬天天气变得越来越冷了。It’sgetting

(cold)inwinter.

这个小镇正变得越来越美丽。4.A+be动词+the+形容词比较级+ofthetwo/twins(+其他).Maryistheshorterofthetwo.

玛丽是这两个人中较矮的那个。A是两者中较……的5.the+比较级,the+比较级“越……，就越……”Themoreyoulaugh,thehappieryou’llfeel.

你笑得越多，你就会感到越开心。形容词和副词比较级常用句型4形容词和副词比较级常用句型51.

(careless)

youare,

(many)mistakesyou’llmake.

你越小心，错误就会越少。2.

(much)

youeat,

(fat)

you’llbe.

你吃得越多，就越胖。3.

(hard)

youstudy,

(good)

gradesyouwillget.

你学习越努力，成绩就会越好。ThemorecarelessthemoreThemorethefatterTheharderthebetter5.the+比较级,the+比较级“越……，就越……”(1)比较对象必须一致。Myhairislongerthanyours.(2)有时为了避免重复，可用that或those代替前面提到的词，而且that或those不能省略。TheweatherinHainaniswarmerthanthatinBeijing.HisstoriesaremoreinterestingthanthoseItold.比较级的注意事项三多两少两特殊:much，alot，far，…的多

alittle，abit(一点儿)，

even(甚至)，still(仍然)1,修饰比较级的词他甚至比以前看起来要更年轻。Helooks

evenyoungerthanbefore.我的爸爸唱的比我更好一点儿。Myfathersings

alittlebetterthanme.昨天比今天要冷的多。Yesterdaywas

muchcolderthantoday.()1.NowChinesepeoplearelivinga________lifethanbefore.A.goodB.wellC.betterD.best()2.Themoreyousmile,the________youwillfeel.A.happyB.happierC.happilyD.morehappily()3.Whichseasondoyoulike_____,springorwinter?A.thebestB.betterC.goodD.well()4.Ithinkthestoryisnotso___asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting()5.Whenspringcomes,itgets____.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter()6.___Ilookatthepicture,____Ilikeit.A.Thebetter;themoreB.Themore;thelessC.Themore;themoreD.More;themore()7.Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhotCBBACCA3b.Usethewordsinbracketstowritequestionsandanswers.1.Q:IsJulieslimmerthanyou

?(Julie/slim/you)A:No,sheisn’t.Sheisasslim

asme.2.Q:_____________________________________?(you/serious/cousin)A:No,I’mnot.Iam___________thanheis.3.Q:_____________________________________?(Tom/smart/Sam)A:No,Idon’tthinkso.IthinkSamisas___________asTom.4.Q:_____________________________________?(Jack/swim/fast/Sally)A:No,hedoesn’t.Heswimsas___________asSally.AreyouasseriousasyourcousinlessseriousDoyouthinkTomissmarterthanSamsmartDoesJackswimfasterthanSallyfast/slɪm/adj.苗条的Aisless...thanBA不如B...3c.Lookatthechart.ThencompletethesentencestocompareGuangzhouandVancouver.Usethewordsintheboxand

than.FactsPopulation(2024)18,978million0.76millionArea7,436squarekm115squarekmAveragerainfallperyear1,923mm1,475mmAverageJanuarytemperature16℃5℃AverageJulytemperature31℃18℃人口面积年平均降雨量1月平均气温7月平均气温VancouverGuangzhouIsGuangzhou’sarealargerthanVancouver’s?Whichcityhasalargerpopulation,GuangzhouorVancouver?largesmallmuchwarmcool1.ThepopulationofVancouverwas___________thatofGuangzhouin2024.2.Inarea,Guangzhouis_______________Vancouver.3.Itrains________inGuangzhou______inVancouver.Guangzhou’s.4.GuangzhouhasapleasanttemperatureinJanuary.Itis___________VancouverinJanuary.5.Vancouveris________________GuangzhouinJuly.smallerthanlargerthanwarmerthancoolerthanthanmore3c.Lookatthechart.ThencompletethesentencestocompareGuangzhouandVancouver.Usethewordsintheboxand

than./ˈplez(ə)nt/adj.宜人的GuangzhouandVancouverhavemanydifferences.Firstofall,thepopulationofVancouverwassmallerthanthatofGuangzhouin2024.Then,intermsofarea,GuangzhouislargerthanVancouver.What'smore,itrainsmoreinGuangzhouthaninVancouver.Also,GuangzhouhasapleasanttemperatureinJanuary,anditismuchwarmerthanVancouverinJanuary.Besides,VancouveriscoolerthanGuangzhouinJuly.Additionally,Guangzhouisabusycitywithlotsofpeople,whileVancouverismorepeaceful.MakeareportaboutthecomparisonbetweenGuangzhouandVancouver.1.ThepopulationofVancouverwassmallerthanthatofGuangzhouin2024.（1）population常与定冠词the连用，作主语时，谓语动词通常用第三人称单数形式。Thepopulationofthiscityisincreasingrapidly.（2）指人口“多”时，用

；人口“少”时，用

。

人口增加用________，人口减少就用_______。smalllarge/bigShanghaihasalargepopulation.ItisoneofthemostpopulouscitiesinChina.Languagepointsgrowfall（3）提问“有多少人口”时，用

。what上海人口众多，它是中国人口最多的城市之一。这座城市的人口正在迅速增长。加拿大的人口是多少？WhatisthepopulationofCanada?high—

.tall—

.funny—

.

easy—

.nice—

.

late—

.fat—

.

thin—

.little—

.

good—

.well—

.bad/badly—

.beautiful—

.interesting—

.hard-working—

.

thinner

fatterlater

nicer

easier

funnier

taller

higher

moreinteresting

morebeautiful

worse

betterbetter

lessclearlyloudlyquietlymoreclearlymoreloudlymorequietlyfatbigwetfatterbiggerwetter一、请写出以下形容词和副词的比较级:

morehard-working二、用括号内所给单词的适当形式填空。1.Thisbridgeisthe_______(short)ofthetwo.2.Thiselephantisthreetimes______(big)thanthattiger.3.Bob’sgrandmaiseighty,butshelooksmuch________(young)thansheis.4.Ithinkmathsis_____________(difficult)thanEnglish.It’shardformetolearnitwell.5.—W