as的用法归纳全ppt课件.ppt

Period3:SentencePatterns,1,9日单选正答率,3.Shewasafraidtogointotheyardbecauseshewasafraidofbeingbittenbythebigdoglyingatthegate.beafraidtodo因害怕而不敢做某事beafraidofdoingsth.担心(害怕)某事发生Heisafraidofbeingbeatenbyhisfather.Heisafraidtotouchthesnake.6.Wearedyingtohearaboutyourexperienceinthearmy.bedyingforsth.(n.)bedyingtodosth.,beeagertodobeeagerforlongtodolongfor,2,9日单选正答率,7saysthatprovidingchildrenwithaccesstotheinformationsuperhighwayisofgreatimportance.haveaccessto获得的机会（权利）进入的通道OnlyhighofficialshaveaccesstothePresident.Thereisnoaccesstothehouse.11.Thetwocountriesusedtobeatwarwitheachother,butnowtheyareatpeace.atwar做表语atpeace做表语Inpeace=peacefully做状语Letusforgiveeachotheronlythenwillweliveinpeace单选14.完型24.,3,Lookthroughtheguideline；Makefullcomprehensionofthekeypoints；,10:43to11:00,4,11:00to11:05,Task1:Summarizetheusageof“as”Task2:Discusstheexercisesthatconfuseu,5,as用法归纳,6,as,conj.,adv.,relativepron.,prep.,固定用法,引导定语从句,引导时间状语从句,引导原因状语从句,引导让步状语从句,引导方式状语从句,引导比较状语从句,7,一、作副词,Jackisastallashisfather.Paulrunsfast,butIrunjustasfast(ashedoes.)Tomhasalotofmoneybutldonthaveasmuch.,肯定句：“像（和）一样”常用于asas结构.否定句：“不像（和）一样”常用于notas(so)as,8,IreadtheletterasIwalkedalongtheriver.AsIgetolderIgetmoreoptimistic.JohnwashavinghisdinnerwhenIsawhim.Shecanwriteonlywhenthebabyisasleep.Wemuststrikewhiletheironishot.Whilewewerereading,theteachercamein.,1.引导时间状语从句,二、用作连词,9,as引导时间状语从句,as,当的时候延续性动词,同时进行,10,Asshehasbeenillperhapssheneedsomehelp.Istayedathomebecauseitrained.Sinceeveryoneishere,letsstart.Itmusthaverainedlastnight,forthegroundiswet.,2.引导原因状语从句,语气由强至弱：becausesinceasfor,11,as引导原因状语从句,as是个常用词，所表示的原因是双方已知的事实或是显而易见的，含义与since相同，但语气更弱，常译成“由于，鉴于”because语气最强；常用于回答why的提问；它所指的原因通常是听话人所不知道的since表示对方已知的、或稍加分析便可得知的原因，有时译作“既然”for表附加的解释、说明或推理。不放句首注意：在强调句型中只能用becauseItwasbecauseImissedtheearlybusthatIwaslateforschool.,12,.,1.Strongasheis,heisafraidofpain.2.Slowlyasthetortoisewalks,itcanbeattherabbit.3.Doctorassheis,shecantcureherowndisease.4.Try（hard）ashedoes（will）,heneverseemsabletodotheworkbeautifully.,adj./adv+as+S+be/v.,n.+as+S+be(句首名词不带冠词),v.+as+S+do/does/did,3.as引导让步状语从句（倒装）,13,as引导让步状语从句,Althoughtheyarepoortheyarehappy.Busyasheis,heinsistsonstudying.Thoughheisbusy,heinsistsonstudying.Busyas(though)heis,heinsistsonstudying.Makeasummary:as译成“虽然，尽管”，引导让步状从必须用倒装语序；although不倒装，且不能再与but连用，但能和yet连用；though可倒可不倒,14,4.as引导方式状语从句,As引导方式状从译成“按照的方式”Remember,youmustdoeverythingasIdo.WhenatRome,doasRomansdo.Wedofarmworkastheoldpeasantteachesus.,15,5.引导比较状语从句,用于“as.as.或notso/as.as.”中,前一个as是副词,后一个as是连词，“像(不和)一样”。Yourpenwritesassmoothlyasmine.Thisdictionaryisnotas/sousefulasyouthink.Thisisasgoodanexampleastheotheris.Icancarryasmuchpaperasyoucan.,16,6.引导条件状语从句,主要句式有：aslongas/solongas只要Aslongasyoustudyhard,youwillmakegreatprogress.,17,三、用作关系代词,as作为关系代词，用来引导定语从句，包括限制性定语从句和非限制性定语从句。构成such/soas/thesameas等结构，在从句中作主语、宾语和表语.引导非限和which的区别：Asweallknow,TaiwanbelongstoChina.Taiwan,asweallknow,belongstoChina.TaiwanbelongstoChina,asweallknow.aseverybodyknows,asyoumayremember,asyousay,asIcansee,asIhavesaid,asyoumayhaveheard一些固定词组,18,注意：suchas与suchthat,soas与sothat的区别：that是连词，引出结果状语从句，在从句中不做成分；as是关系代词，引出定语从句，在从句中可作主语、宾语和表语。比较：Heissuchaniceboythateveryonelikeshim.Heissuchaniceboyaseveryonelikes.这个男孩的性格如此之好，人们都喜欢他。Itissodifficultaproblemthatnobodycanworkitout.Itissodifficultaproblemasnobodycanworkout.这个问题太难了，没有人能解决。,19,四、作介词，,1.表示“作为，当作,以身份”Asawriter,hewasfamous.2.as作为介词，常和以下动词连用regardas/beknownas/considerasuseas/describeas/berememberedasbehonoredas/作介词的as常用来引入补足语Theyregardhimastheirleader.宾补Thereportwasconsideredasfalse.主补,20,As和like都可以做介词,但词义是不同的,As作为,以资格,Like像.与相似,Asascientist,hededicatedtothetruth.Sheworkslikeabeaver.她工作勤勤恳恳,as连词像一样+句子like介词像一样+词Ihaveneverseensuchacleverman_he,21,五、用于一些固定搭配,1.suchas例如2.asfor=astosb/sth.至于某人（某事物）3.soasto以便,为了4.asamatteroffact事实上，其实5.asaresult作为结果6.asaresultof由于/作为的结果7.asfollows如下8.asfarasIknow/cansee就我所知,22,Readthefollowingsentences:1.Tomrunsfast,butIrunjustasfast.2.Shedoesntsingsowellashersister.3.Ihavechangeditasyousuggested.4.Wealllikeherassheisverykind.5.Heraisedhisvoicesoastobeheard.6.Tiredastheywere,theywalkedon.7.Ineverheardsuchstoriesashetold.8.Heiscareful,ashisworkshows.9.Heworksasateacher.10.Asyousow,sowillyoureap.,23,1.Agoodmanyproposalswereraisedbythedelegates,_wastobeexpected.A.thatB.whatC.soD.as2._mightbeexpected,theresponsetothequestionwasverymixed.A.AsB.ThatC.ItD.What3._heworkshard,Idontmindwhenhefinishestheexperiment.A.AssoonasB.SofarasC.AswellasD.Aslongas,OK,OK,OK,Checking,24,4.Itisgenerallybelievedthatteachingis_itisascience.A.anartmuchasB.muchanartasC.asanartmuchasD.asmuchanartas5.Shedoesntspeak_herfriend,butherwrittenworkisexcellent.A.aswellasB.sooftenasC.somuchasD.asgoodas6.Thepianointheothershopwillbe_,but_.A.cheaper;