虚拟语气用法汇总

虚拟语气用法汇一、虚拟语气在条件句中EGIFIHADTIME,IWOULDATTENDTHEMEETINGIFHEHADHURRIED,HECOULDHAVECAUGHTTHETRAINIFIWERETOGOABROAD,IWOULDGOTOAMERICA注意虚拟语气中的省略在条件句中，可省略IF，把WERE,HAD,SHOULD提到句首，变为倒装句式IFIWEREATSCHOOLAGAIN,IWOULDSTUDYHARDERWEREIATSCHOOLAGAIN,IWOULDSTUDYHARDERIFYOUHADCOMEEARLIER,YOUWOULDHAVEMETHIMHADYOUCOMEEARLIER,YOUWOULDHAVEMETHIMIFITSHOULDRAINTOMORROW,WEWOULDNOTGOCLIMBINGSHOULDITRAINTOMORROW,WEWOULDNOTGOCLIMBING二、虚拟语气在名词从句中的运用（1）用于宾语从句1、用于WISH后面的宾语从句中。一般用虚拟语气，表示一种不可能实现的愿望。其谓语动词形式为表现在过去时表过去过去完成时表将来WOULD,MIGHT,COULD动词原形IWISHTHATIWEREABIRDIWISHTHATIHADSEENTHEFILMLASTNIGHTIWISHTHATIWOULD/COULDGO2、用于表示命令、建议、要求等一类词后面的宾语从句中谓语动词用（SHOULD）动词原形。INSIST,ORDER,COMMAND,SUGGEST,ADVISE,PROPOSE,REQUIRE,REQUEST,DEMAND,DESIREETCWESUGGESTEDTHATTHEMEETINGSHOULDBEPUTOFFTHEYINSISTEDTHATTHEBOYSHOULDGOWITHTHEM注意SUGGEST当表示“暗示、表明“讲时，INSIST表示“坚持认为”之意时，应用陈述语气。（2）用于表语从句和同位语从句表语和同位语从句中要用“（SHOULD）动词原形”，SHOULD可以省略SUGGESTION/PROPOSAL/ORDER/PLAN/ADVICE/IDEA/REQUESTMYIDEAISTHATWESHOULDTHINKITOVERBEFOREACCEPTINGITMYSUGGESTIONTHATWESHOULDHAVEAMEETINGHASBEENACCEPTEDBYOTHERSWEALLAGREETOTHATSUGGESTIONTHATTHEMEETINGSHOULDBEPUTOFF（3）用于主语从句1、ITISIMPORTANTNECESSARY,STRANGE,NATURALTHAT，THAT后用（SHOULD）动词原形ITSNECESSARYTHATWESHOULDHAVEAWALKNOW我们有必要出去散散步。ITSNATURALTHATSHESHOULDDOSO她这样做是很自然的。ITSIMPORTANTTHATWESHOULDTAKEGOODCAREOFTHEPATIENT重要的是我们要照顾好病人。2、ITISDEMANDED/SUGGESTED/ORDERED/REQUIRED，THAT后用（SHOULD）动词原形ITISDEMANDEDTHATWESHOULDWORKOUTAPLAN我们被要求制定出一个计划。3、ITISAPITY/ASHAME/NOWONDERTHAT，THAT后用（SHOULD）动词原形ITSAPITYTHATYOUSHOULDMISSAGOODCHANCE三、虚拟语气在其他从句中1ITISHIGH/ABOUTTIMETHAT从句中的谓语动词用过去式或SHOULD动词原形，SHOULD不能省略ITISHIGHTIMETHATYOUWENT/SHOULDGOTOSCHOOL2IFONLY引导的感叹句（要是该有多好啊表示现在的情况,用过去式如果是过去的情况,用过去完成时态IFONLYIKNEWTHEANSWERIFONLYIHADSEENTHEFILMYESTERDAY3WOULDRATHER从句表示现在的情况,用过去式如果是过去的情况,用过去完成时态IWOULDRATHERYOUTOLDMETHETRUTHIWOULDRATHERYOUHADGONETHERELASTSUNDAY4ASIFASTHOUGH看起来表示与现在事实相反，用过去式；与过去事实相反用过去完成式HADDONEHETREATS/TREATEDTHEBOYASIFHEWEREHISOWNSONHESPEAKS/SPOKEASIFHEHADKNOWNABOUTIT5EVENIFEVENTHOUGH即使表示与现在事实相反，用过去式；与过去事实相反用过去完成式HADDONEEVENIFHEWEREHERE,HECOULDNOTSOLVETHEPROBLEMEVENIFIHADBEENBUSYTHEN,IWOULDHAVEHELPEDYOU6其他BUTFOR/BUTTHATIFITWERENOTFOR,IFITHADNOTBEENFOR（要不是），WITHOUT（没有），OTHERWISE，OR（否则），表示现在的情况,用过去式如果是过去的情况,用过去完成时态BUTFORTHEIRHELP,IWOULDNOTHAVEFINISHEDTHETASK要不是他帮忙，我完不成任务的。BUTFORWATERANDAIR,NOTHINGCOULDLIVEINTHEWORLD要不是有水和空气，世界上没有什么能生存。WHATWOULDIHAVEDONEWITHOUTYOU没你我该怎么办啊HEWASVERYBUSYOTHERWISE,HEWOULDHAVECOMETOTHEPARTY他很忙，否则他回来参加派对的LEST（以免；免得），INCASE（以防）和FORFEARTHAT（生怕，唯恐）谓语部分用（SHOULD）动词原形KEEPQUIETINCASEYOU（SHOULD）INTERRUPTHIMWHENHEISBUSY要保持安静，以防打扰