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1、As用法總結(jié)Ⅱ.As作連詞，主要引導(dǎo)以下狀語從句：1.引導(dǎo)時間狀語從句。與while意義相近，強(qiáng)調(diào)兩個動作同時發(fā)生；或某事一發(fā)生，另一事立刻發(fā)生。e.g①Heshoutedaloudasheranalong.②Iwasstartledasheopenedthedoor.③Wegetwiseraswegetolder.2.引導(dǎo)原因狀語從句，與because的用法相近。e.g①Asitwasgettingverylate,wesoonturnedback.②Wemuststopwritingnow,asIhaveratheral
2、otofworktodo.3.引導(dǎo)方式狀語從句，作“正如，好象，按照”解。主要的句式有asif(asthough);justas;justas…as.e.g①WhenatRome,doasRomansdo.②Wedofarmworkastheoldpeasantteachesus.③Whenapencilispartlyinaglassofwater,itlooksasifitwerebroken.★④As(itis)inyourcountry,wegrowwheatinthenorthandriceinthesouth.正
3、如(像)你們國家一樣，……。4.引導(dǎo)條件狀語從句。主要句式有：aslongas/solongas只要Ⅳ.As作介詞1.作“如，像”解。e.g①Theygotunitedasoneman.②Shespokeofmeasherclosedfriend.2.作“充當(dāng)，作為”解。e.g③Asawriter,hewasfamous.④EnglishisspokenasthefirstlanguagebemostpeopleinAustralia.3.As作為介詞，常和以下動詞連用。regard…as/beknownas/conside
4、r…asuse…as/describe…as/berememberedasworkas/actas/behonoredas/Weregardthesunasthesourceofmostformsofenergy.e.gⅤ.含as的固定詞組1.assoonas→引導(dǎo)時間狀語從句。So/asfarasIknow→在句中作插入語。意思是“據(jù)我所知”。e.gAs/SofarasIknow,hewillcomeherenextMonday.Aswellas→并列連接詞組，意思是：“和，同”。當(dāng)其連接兩個并列主語時，謂語動詞應(yīng)與前面的
5、主語在數(shù)上保持一致。也可以和短語notonly…butalso進(jìn)行替換。e.g2.Myparentsaswellasmyeldersisterenjoymusic.試比較下面句子。①M(fèi)yeldersisteraswellasmyparentsenjoysmusic.②TomstudiesJapaneseaswellasChinese.TomstudiesnotonlyChinesebutalsoJapanese.★★→aswell→譯為“也，還”經(jīng)常放在句尾。與too,also同義詞。e.g3.Comehereearly,a
6、ndbringyourbrotheraswell.Soastodosth./so…astodosth.→引導(dǎo)目地或結(jié)果狀語。e.g4.Hestudieshardsoastopasstheexam.Hewassostrongastocarrytheheavybox.5.suchas→意為“例如，諸如”可用來引入同位語，舉一例或數(shù)例說明它與之同位詞的詞所含的具體內(nèi)容。e.gTherearedifferentformsofenergy,suchasheatenergy,lightenergy,soundenergyandetc.6
7、.asto(=asfor/asregards)關(guān)于，至于asmuchas/asmanyas“多達(dá)…，達(dá)到…至多”e.gThereisnodoubtastohishonesty.Hecanearnasmuchas500dollarsaday.7.asaresult/asaresultof(由于……的結(jié)果)asawhole(就整體來說)/asfollows(如下)asusual(照常)/asa(general)rule(通常)asamatteroffact(事實(shí)上)/asabove(如上)assoonaspossible/ase
8、arlyaspossibleasquicklyaspossibleMoreexamples:①Shediedasaresultoftheaccident.②Thereasonsareasabove(asfollows).③Themachinerunsasusual.④Asamatterof
