专门用途英语学术论文中的it be V-ed that型式研究的综述报告.docx

专门用途英语学术论文中的itbeV-edthat型式研究的综述报告
Introduction:
The“itbeV-edthat”constructionisaspecializedformusedinacademicandscholarlywriting.Thisconstructioniscommonlyusedtoexpresscertaintyorfact,andisoftenusedinresearchandacademicpaperstopresentclaimsinaclearandassertivemanner.Inthisarticle,wewillreviewresearchontheuseofthe“itbeV-edthat”constructioninacademicwriting,exploringitsunderlyingstructure,usagepatterns,andcommonpitfalls.
Structureofthe“itbeV-edthat”construction:
The“itbeV-edthat”constructionismostoftenstructuredassubject+auxiliary“be”verb+pastparticiple+“that”clause.The“that”clauseoftenincludesaverbthatindicatesthespeakerorwriter’sopiniononthesubject.Forexample:
-Itisarguedthatclimatechangeisapressingissue.
-Ithasbeenshownthatexerciseimprovesmentalhealth.
-Itisbelievedthateducationisakeyfactorinreducingpoverty.
Usagepatterns:
Oneofthemainusagepatternsofthe“itbeV-edthat”constructionistointroduceafactorclaimthattheauthorpresentsastrue.Thisconstructionemphasizesthecertaintyoftheclaimandallowstheauthortotakeafirmstanceonthetopic.AccordingtoastudybyHyland(1998),the“itbeV-edthat”constructionismostcommonlyusedinacademicarticlesrelatedtoscience,technology,andmedicine,whereobjectiveclaimsareoftenpresented.
Anotherusagepatternofthe“itbeV-edthat”constructionistoattributeaclaimorideatoaspecificsource.Thisisoftendonetoacknowledgetheworkofotherresearchersortoestablishthecredibilityofastatement.Forexample:
-Ithasbeensuggestedthatrenewableenergysourcesareaviableoptionforreducingcarbonemissions(Smith,2015).
-Itiswidelyacknowledgedthatearlychildhoodeducationisimportantforcognitivedevelopment(Johnson,2009).
Commonpitfalls:
Whilethe“itbeV-edthat”constructioncanbeaneffectivewaytopresentclearandassertiveclaimsinacademicwriting,itcanalsobemisusedoroverused.Onecommonpitfallisusingthisconstructiontoofrequently,whichcanmakethewritingseemrepetitiveandrobotic.Additionally,usingthisconstructiontoexpresspersonalopinionsorsubjectiveclaimscanunderminetheauthor’scredibilityandweakentheargument.
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