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1、无人称动词Theimpersonalpronounil('it')isusedinFrenchwhenanactionhasnoagent,thatis,whenthereisnopersonoranimatebeingresponsiblefortheaction.Theconjugatedverbisalwaysinthethirdpersonsingular,nomatterwhattensetheimpersonalverbtakes.Tex:Tiens,ilpleuttrèsfort!Tex:Wow,itisrainingreallyhard!Theactio
2、noftheverb(pleut,'israining')isanimpersonal,naturalforce.Theimpersonalpronounilisoftenreferredtoasa'dummysubject'becauseitfillsthesyntacticpositionofsubjectbutdoesn'thaveanyrealmeaning.1.weatherexpressions（天气）WeatherexpressionsinbothFrenchandEnglishrequireimpersonalsubjects.Theinfinitive
3、of'weatherverbs'canonlybeconjugatedinthethirdpersonsingularform(theilform).pleuvoir,torainIlpleut.It'sraining.neiger,tosnowIlneige.It'ssnowing.grêler,tosleetIlgrêle.It'ssleeting.geler,tofreezeIlgèle.It'sfreezing.bruiner,todrizzleIlbruine.It'sdrizzling.WeatherconditionsarealsoexpressedinF
4、renchusingtheverbfairefollowedbyanadjectiveornoun.Ofcourse,whentheverbfaireisusedimpersonallyinsuchweatherexpressions,itcanonlybeconjugatedinthethirdpersonsingularform(ilfait).Seefaireexpressionsforamorecompletelistofweatherexpressions.Ilfaitchaud.It'shot.Ilfaitduvent.It'swindy.Ilfaitbea
5、u.It'sbeautiful.2.falloir(ilfaut...)'tobenecessary'（必需）Theverbfalloironlyexistsintheimpersonalform(ilfaut).ItalwaysexpressesthenotionofnecessityorobligationwhichistranslatedintoEnglishinvariousways('must,''should,''haveto').Falloirmaybefollowedbyaninfinitiveasin(d),byanounasin(c),orbyasu
6、bordinateclauseintroducedbyqueasin(a);notethattheverbinthesubordinateclausein(a)requiresthesubjunctivemood.Finally,itmaybeprecededbyapronounactingasanindirectobjectasin(b),awaytoavoidthesubjunctive.CommelamajoritédesFran?ais,Texnevoitpasl'intérêtduscandaleLewinsky.Tammy(scandalisée):Like
7、themajorityoftheFrench,TexdoesnotseethepointoftheLewinskyscandal.Tammy(shocked):(a)Ilfautquenoussachionslavérité.[fautque+clause]Itisnecessarythatweknowthetruth.Weshould/mustknowthetruth.(b)Ilnousfautdespreuves.[indirectobject+faut]Weneedevidence.(c)Ilfautuneenquête.[faut
