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as在定语从句中的用法8高中英语从句专题微课程－6Teller微课程工作室主讲人夏利智TeachingaimsEnablestudentstograsptheusageofasinattributiveclauseEnablestudentstograspthedifferencebetween“as”and“which”inattributiveclause一、“as”inattributiveclauses“As”canbeusedtointroduceanattributiveclause,includingrestrictiveandnon-restrictiveattributiveclause.Usedasarelativepronoun,“as”canbeservedasansubject,apredicativeandanobject.Example:Asisknown,greatchangeshaventakenplaceinJinhuacity.(subject)Ihaveneverseensuchkindofpeopleastheyare.(predicative)Noonewillbelievesuchstoriesashetold.(object)一、asinrestrictiveattributiveclauses“As”canbeusedtointroducearestrictiveattributiveclause.Itmayexistin“so/such…as”or“thesame…as”structuresandrepresentstheantecedentsbeingnounsforpeopleorthings.Example:ThisisthesamewalletasIlost.Mikeissocuteaseveryonelikes.ComparisonIn“thesame…as”structure,“that”canalsobeusedtoreplace“as”.2)ThisisthesamewalletthatIlost.1)ThisisthesamewalletasIlost.这个钱包跟我丢的那支一模一样。这就是我丢的那个钱包。二、asinnon-restrictiveattributiveclauses1.Wecanuse“as”tointroduceannon-restrictiveattributiveclausetofurtherclarifythemeaningofthemainclause.2.Theas-clausecanbeputatthebeginning,ormiddle,orattheendofthesentence.3.“As”canbeusedinsomefixedstructures,suchas“asweknow”,“asisexpected”,“asisoftenthecase”,etc…Example:HeisanEnglishman,asIknowfromhisaccent.Differencebetween“as”and“which”inattributiveclause1.which-clausecanonlybeputattheendofthemainclause.2.“As”introducingaclauseisusedtoexpressthespeaker’sopinion,idea,andsoon,translatedinto“正如…所…”inChinese.1.As-clausecanbeputinfrontoforattheendofthemainclause.2.Whichisusedtogiveasupplementaryexplanationtothemainclause.Itcanbetranslatedinto“这件事，这一点”.1.Aswasknown，Terrywonthefirstprizeinthecompetition.Terrywonthefirstprizeinthecompetition，aswasknown.Terry,aswasknown,wonthefirstprizeinthecompetition.2.Terrydidn'tgetpromotion,whichwasunexpected.Summary“As”canbeusedtointroduceanattributiveclause,includingrestrictiveandnon-restrictiveattributiveclause.2.Whenusedtointroducerestrictiveclause,“as”isalwaysusedinsomefixedstructure.3.Whenasisusedinnon-restrictiveclause,weshouldpayattentiontothedifferenceof“as”and“which”,boththeirplaceandthereChinesemeanings.Teller微课程工作室负责人：李威峰学科指导：李威峰(兼)技术指导：李威峰(兼)成员：汪兰刘少敏周英巧江淑芳何俊鲍冰茹曹薇严帆洪燕茹朱丽杨丽娟李嘉懿夏利智