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1、AboutMoodMood,asagrammaticalcategory,isafiniteverbformthatindicateswhetheranutteranceexpressesafact(indicativemood),acommandorrequest(imperativemood),oranon-factandhypothesis(subjunctivemood)moodIndicativemoodImperativemoodSubjunctivemoodWelcomeSubjunctiveMoodTherearetwoformsof
2、thesubjunctive:be-subjunctiveandwere-subjunctive.Thebe-subjunctivetakesthebaseformandthewere-subjunctivehasonlythewereform.BothareremnantsofOldEnglish.subjunctivemoodbe-subjunctivewere-subjunctivePart1:be-subjunctivemoodThebe-subjunctive,liketheimperative,isrealizedbythebasefor
3、moftheverb.Whateverthepersonofthesubject,thepredicatorinvarablytakesthebaseform.Consequently,wheretheclausehasapluralsubject,thereisnormallynodistinctionbetweenindicativeandsubjunctiveforms,exceptfortheverbbe.Thesubjunctiveformofbeisbeforallpersons.Thebe-subjunctiveisusedasfoll
4、ow:1.Incertainthat-clausesaftersuchverbsasdecide,decree,demand,insist,move,order,prefer,propose,recommend,request,suggest,vote,ect,eg:Theteacherorderedthatallthebooksbeputwheretheywere.HeinsistedthatTombepunishedbecauseofthemistake.aftersuchadjectivesasadvisable,appropriate,des
5、irable,essential,fitting,important,impossible,necessary,obligatory,proper,ect,eg:Itisessentialthatallnewwordsbelookedupinthedictionary.aftersuchnounsasdecision,decree,demand,instruction,order,requirement,resolution,ect,eg:TheboardhasgiveninstructionsthattheagentflytoBoston.Thef
6、inaldecisionwasthatNickbefiredduetohisdishonesty.IncertainadverbialclausesThebe-subjunctiveisalsousedinadverbialclausesintroducedbyif,though,whatever,solongas,whether,lest,…..e.g:IfIwereyou,Iwouldnotbelievedhim.Whateverbehisdefense,wecannottoleratethisdisloyalty.Exercise:Ifit__
7、___(be)necessary,Iwillstayhere.beThisuseofthebe-subjunctiveislimitedtoformalstyle,whileininformalstyletheindicativemoodor“should/may+infinitive“areusedinstead.e.g:Ifthenewsistrue,everythingispossible.Hehidhimselfinthebushlestheshouldbeseen.③IncertainformulaicexpressionsThebe-su
8、bjunctiveisalsousedinsomeformulaicexpressionstoexpress
