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1、GrammarTheSubjunctiveMoodTheSubjunctiveMoodIfIwereAndyLou,IwouldbeinHongKongnow.IwishIwereamillionaire.WesuggestthateveryoneshouldhelptheAIDSpatients.WhentousetheSubjunctiveMoodinEnglish?hypotheseswishessuggestion虚拟语气虚拟语气是一种特殊的动词形式(verbstructure)，用来表示说话人所说的话不是一个事实(fact)，而只是一种假设(hypotheses)愿望(wishes
2、)、建议(suggestion)或怀疑doubt等等。ThedefinitionoftheSubjunctiveMood虚拟语气应该注意的几点:1.虚拟语气在条件句中1)表示不太可能出现的情况”,条件从句一般用过去时,主句用woulddo,shoulddo或might/coulddo;2)表示“本可能发生却未发生的事情”， 条件从句用过去完成时，主句用wouldhavedone,shouldhavedone,might/couldhavedoneTheoldmenwouldfinditdifficulttogetajobiftheyleftthefarm.Ishouldbesurprised
3、ifitwaslessthanfivepounds.IfIfrightenedthosebirds,theymightflyoffandIwouldneverseethemagain.IfIwereyou,Iwouldaccepttheoffice.IfIwereaskedtodefinemymood,I’dsay“bored”.Ifhehadtakenhisdoctor’sadvice,hemightnothavediedsosoon.Ifhehadrealizedthat,hewouldhaverunawaywhiletherewasstilltime.Ifshehadnotmarrie
4、d,shecouldhavebecomespecialinthefiled.2.虚拟语气在条件句也可用来表示“将来不太可能出现的情况”， 条件从句用shoulddo,wereto或一般过去时，主句用woulddo,shoulddo,could/mightdo.Ifitshouldraintomorrow,thesportsmeetwouldhavetobeputoff.IcouldseethesurfaceofthemoonwithmyowneyesifIweretogotothemoonsomeday.Whatwouldyoudoifhefailedtocometomorrow?注意：含有
5、should的条件句，主句可以用一般现在时或一般将来时．例如：Ifthereshouldbeanotherflood,whatshallwedo?Askhertoleaveamessageifsheshouldcome.3.在正式英语文体中，if从句中的第一个动词如果是should,were或had,可将此动词置于句首，替代if．例如：Wereitalltrue,itwouldstillnotexcusetheiractions.Hadthecaptainbeenmorecareful,hisshipwouldnothavesunk.Shouldanyvisitorscome,Iwoulds
6、ayyouarenothere.4.ifonly和suppose(supposing),也可以引导虚拟从句．IfonlyIhadmoretime,Icouldgotheretohelpthem.Supposingitwerefinetomorrow,wouldyougoclimbingthemountainwithus?5.Ifitwerenot/hadnotbeenfor…也是常见的虚拟句型，意思是“要不是…” 例如：Ifithadnotbeenforyourhelp,wewouldnothaveachievedsomuchinourwork.Ifitwerenotforthewisede
7、cision,Wecouldnotbelivingahappylife.6.虚拟语气用于Iwish…的宾语从句中：表示现在时间，动词用一般过去时和过去进行时(be动词用were/was)．表示过去时间，动词用过去完成时和过去完成进行时．表示将来时间，动词用would/could等+动词原形IwishIknewhowtooperatethiscomputer.Iwishheweren’tsolazy.Idowi
