As的用法小结（2021.10公开课）课件-高考英语一轮复习

(1)Ibeganasacalculatingmachine......howicouldbemadetoworkasauniversalmachine...FirstasaPCandthenasalaptop,...AsaresultItotallychangedmyshape.(2)Ihadgrownaslargeasaroom....usedtomakemobilephonesas

wellashelpwithmedicaloperations.(3)Astimewentby,Iwasmadesmaller.Thesechangesonlybecamepossibleasmymemoryimproved.AsIhavegrownolderIhavealsogrownsmaller.高三英语专题复习之一as的用法小结本课重点outlineas1.用作介词2.用作副词3.用作连词4.常见固定搭配Theytalkedasoldfriends.Theytreatedusashonoredguests.Jackisastallashisfather.HecanspeakEnglishasfluentlyasyou.Heshoutedaloudasheranalong.Asitgotlate,wesoonturnedback.WhenatRome,doasRomansdo.Childasshewas,sheknewalot.Heisaspoorasachurchmouse(is).Asisknowntoall,culturalrelicsarequitevaluable.1.用作介词Ex.Thesunisconsideredlikethesourceofmostformsofenergy.Theytalkedasoldfriends.Theytreatedusashonoredguests.像，如……当作，充当，作为…思考：1.as与like的区别？

2.“认为…是…”,“把…当作…”的表达有哪些？astreat…as…;consider…as…;regard…as….;recognize…as…;take…as…thinkof…as…;lookon…as…;referto…as…2.用作副词Jackisastallashisfather.HecanspeakEnglishasfluentlyasyou.Ex.他们没有和你一样努力工作。as…as…和…一样…Theydidn’tworkas/sohardasyou.思考：as…as…与so…as…的区别？3.用作连词Heshoutedaloudasheranalong.Asitgotlate,wesoonturnedback.WhenatRome,doasRomansdo.Childasshewas,sheknewalot.Heisaspoorasachurchmouse(is).Asisknowntoall,culturalrelicsarequitevaluable.讨论：以上句子as分别引导什么从句？时间状语从句原因状语从句方式状语从句让步状语从句比较状语从句定语从句1)as引导时间状语从句译为“当……时”，“随着……”,“一边……一边……”区别as,when,while？1.Hewasabouttosaysomething_____thedoorwasopened.2.Hewassayingsomething_____thedoorwasopened.Thedoorwasopened_____hewassayingsomething.3.Hehadjustsaidsomething______thedoorwasopened.4._____timewentby,Igotusedtothewayhedidhisworkgradually.Heshoutedaloudasheranalong.句型：sbwasabouttodo…when…did…sbwasdoing…when…did…sbhadjustdone…when…did……did…whilesbwasdoing…whenwhilewhenwhenAs2)as引导原因状语从句区别as,because,since,for?----Whyhewaslateforschool?----Ashegotupverylate.2.Itwasaseverybodyhereknewhimthatwefoundhisaddresseasily.3.Becausehisillness,hecouldn’tattendtheteaparty.Asitgotlate,wesoonturnedback.becauseBecauseof3)as引导方式状语从句译为：“按照，依照”，“正如…”，“像…”Irememberthewholethingas________ithappenedyesterday.I’velovedyouasifyou______(be)myson.Hesattherequietlyasthoughnothing________(happen).Heisdressedneatlyeverydayasifhe_______(meet)hisprincessinthenextminute.WhenatRome,doasRomansdo.if/thoughwerehadhappenedcouldmeet4)as引导让步状语从句1.Herealizedthatadoctorashewas,hecouldn’tsaveeveryone.2.Tiringthoughhewas,heinsistedonfinishinghisexperiment.3.Hardlyasheworked,hedidn’tachievemuch.4.Explainalthoughhemight,Istillcouldn’tfollowhim.Childasshewas,sheknewalot.TiredHardas/though5)as引导比较状语从句Wavesofredlightaretwiceaslong_____thoseofbluelight.Wavesofredlightaretwice______(long)thanthoseofbluelight.Wavesofredlightaretwicethe_______(long)ofthoseofbluelight.Heisaspoorasachurchmouse(is).倍数的表达:A+V谓+倍数+asadj/advas+B+比较级than+B+then.of+Baslongerlength6)as引导定语从句【判断】A:(Which,As)isreported,strangethingshappenonthisroadeverytwoyears.B:Hetookoverhisfather’scompany,(which,as)wasbeyondourexpectation.C:Hepointedtothedirectionfrom(which,as)hecame.D:Thepalaceissuchalovelyattraction(which,as)numeroustouristsvisiteveryyear.E:Thepalaceissolovelyanattraction(that,as)numeroustouristsvisititeveryyear.Asisknowntoall,culturalrelicsarequitevaluable.4.常见的固定搭配asamatteroffactas