8上U3 Section A-2grammar.ppt

,英语教学课件系列,Go,for,it!,八年级(上),Unit3Iammoreoutgoingthanmysister.,SectionAGrammarFocus,大多数形容词和副词有三个等级：原级、比较级、最高级,1.什么是形容词的原级？表示修饰两种东西的程度是一样的,用as.as表示原级，译为:“和一样”。2.什么是形容词的比较级？表示两者相比，一个比另一个更，有比较级的句中有than,且仅限于两者比较。,形容词的原级和比较级,原级和比较级区分程度的不同：,原级是说明两个人物或事物的程度是一样。比较级是区分两个人物或事物的程度不一样。,Thistreeisas_asthattree.,Thegreenbagisas_asthered.,Thispenisas_asthatpen.,tall,big,long,原级,YaoMingisJordan.,Jordan,226cm,198cm,tallerthan,Yaoming,tall,taller,Jordanistall.,比较级,￥20,￥30,cheap,cheaper,Thepinkdressischeap.,Theblackdressis_thepinkone.,cheaperthan,当两个人或两件事物进行比较时，形容词和副词要用比较级，也就是词尾-er形式，比较级常常用than来连接被比较的两个人或事物。,e.g.Iamshorterthanyou.,Theredcariscute.Thebluecar_theredcar.(蓝车比红车更可爱）,iscuterthan,Theredappleisbig.,Thegreenappleis_theredone.,biggerthan,56.1kg,heavy,58kg,Garfieldisheavy.Doraemonis_Garfield.,heavier,heavierthan,Garfield,Doraemon,short,-,shorter,small,-,smaller,nice,nicer,safe,safer,-,-,-,-,-,-,big,thin,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成1.构成的规则变化:2.构成的不规则变化:,形容词和副词的比较级,1.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er构成比较级或-est构成最高级.如：原级比较级最高级coldcoldercoldestbrightbrighterbrightestyoungyoungeryoungest,2)以字母e结尾的词只加r或-st构成比较级和最高级。原级比较级最高级nicenicernicestfinefinerfinestlargelargerlargest,3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:bigbiggerbiggestthinthinnerthinnest4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easyeasiereasiesthappyhappierhappiest,5)多音节词和部分双音节词在词前加more或most。如：deliciousmoredeliciousmostdeliciousinterestingmoreinterestingmostinterestingimportantmoreimportantmostimportant,2.构成的不规则变化:e.g.good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest,无比较时用原级。Heisveryoldnow.他现在很老了。Theyranquitefast.它们跑得相当快。Theweatherlooksratherbad.天气看上去相当糟Iamsohappy.我是如此的快乐。,原级的用法,句型1：A+as+形容词/副词原级+asB译为：“A跟B一样”如：Heisasexcitedashisyoungersister.他和他妹妹一样兴奋。Theypickedasmanyapplesasthefarmers(did).他们摘的苹果和农民一样多。,句型2:A+not+as/so+形容词/副词原级+as+B译为：“A没有B那样”Heisnotso/asexcitedashisyoungersister.他没他妹妹那么兴奋。Theydidntpickso/asmanyapplesasthefarmers(did).他们摘的苹果不如农民多。,句型：A+谓语动词+比较+than+B.译为：“A比B要更”e.g.Atrainisfasterthanacar.火车比轿车快多了。Thisbookdidntcostmemorethanthatone.这本书花费我的钱不比那本多。,比较级的用法,在形容词比较级前可用much,even,still,alittle来修饰,表示“的多”,“甚至”,“更”。e.g.1)Thiscityismuchmorebeautifulthanbefore.2)Shesalittlemoreoutgoingthanme.3)今天天气比昨天更冷了。,Exercise,一将下列形容词变成比较级形式：,oldfatyounguglyhighlowlightwhitesunnyhotcool,older,fatter,younger,uglier,higher,lower,lighter,whiter,sunnier,hotter,cooler,二、词汇,1.Imtallbutmysisteris_(short).2.Mymotherhaslonghair,andmysisterhas_(long)hair.3.Thislittlebabyis_(outgoing)thanthatone.,shorter,longer,moreoutgoing,4.Insomewayswelookthesame,insomewayswelook_(不同的).5.Annisavery_(安静的)girl,shehardlymakesnoise.,different,quiet,1.Thetwins_lovelygirls.A.areallB.arebothC.bothare2.IlikedrawingandIamgood_it.A.inB.onC.at3.Thatboxis_thanothers.A.moreheavierB.heavyC.muchheavier,三、单项选择,B,C,C,4.Sheisthreeyears_thanIam.A.oldB.moreoldC.older,C,5.Thisoneistoolarge.Canyoushowmea_one?A.largerB.largeC.smallD.smaller,D,6.Lucyisveryshort,butsheis_thanhersister.A.shorterB.longerC.tallerD.older7.Frankis_friendlythanhisbrother.A.alittlemoreB.afewmoreC.muchD.alittle8.Samis_atChinesethanJim.A.goodB.wellC.betterD.gooder,C,A,C,13.Therearemanytallbuildingson_sidesofthestreet.A.eitherB.allC.both(2008长沙中考)14._Lily_Lucymaygowithyoubecauseoneofthemmuststayathome.A.Not,butB.Neither,norC.Both,andD.Either,or（中考真题）,C,B,GrammarFocus,3aUsethewordstowritequestionsandanswers.1.Julie/tall/youQ:_A:No,sheisnt.Shes_thanme.2.Jack/run/fast/SamQ:_A:No,hedoesnt.Heruns_thanSam.,IsJulieastallasyou?,taller,DoesJackrunfasterthanSam?,slower,3.yourcousin/outgoing/youQ:_A:No,sheisnt.Shes_thanme.4.Paul/funny/CarolQ:_A:No,heisnt.Hes_thanCarol.,Isyourcousinmoreoutgoingthanyou?,moreserious,IsPaulasfunnyasCarol?,morefunnier,3bThinkofyourselftwoyearsago.Writeabouthowyouaredifferentnow.1.Areyoutaller?_2.Areyoufunnier?_,Yes,Iam.ImtallernowthanIwastwoyearsago.,Yes,Iam.ImfunniernowthanIwastwoyearsago.,3.Areyoumoreoutgoing?_4.DoyoustudyEnglishharder?_5.Doyousingbetter?_,Yes,Iam.ImmoreoutgoingnowthanIwastwoyearsago.,Yes,Ido.IstudyhardernowthanIdidtwoyearsago.,Yes,Ido.IsingbetternowthanIdidtwoyearsago.,3cCompareyourparents.Check()whoissmarter,funnier,hechart.Thenaskyourpartnerabouthis/herparents.,A:W