虚拟语气(顺口溜).ppt

高三英语语法(十二)、实际意义上的虚拟语气。、虚拟语气形式。Theorderwasthatwe(should)、小小顺口溜虚拟语气并不难,从句时态都提前,主句would加在前,注意动词要还原。(省略if要倒装))IfIwereinyourshoes,)Ifwehadleftearlier,wewouldn’)IwishIwereascleverasyou2、虚拟语气在条件句中的应用所述情况if从句主句与过去相反if+主语+haddone主语+would/could/might/should+havedone与现在相反if+主语+did(be动词用were)主语+would/could/might/should+do与将来相反①if+主语+did②if+主语+wereto+do③if+主语+should+do主语+would/could/might/shoulddo①此表中需要注意几点:。在非正式情况下,第一、第三人称后偶尔也用was。如:Ifhewere/wasyou,,would,could以及might可以用于各种人称。,只能用should,而不能用would,could和might等。如:Ifitshouldraintomorrow,wewouldnotgocamping.(shouldrain也可以用rained,weretorain代替)4、主句和if条件句时态不一致(单独虚拟)。如:Ifhehadreceivedsixmorevotes,,wewouldhaveallowedyoutojointheminthework.②含蓄条件句有时为了表达的需要,在虚拟语气中并不总是出现if引导的条件句,而通过其他手段来替代条件句。。常用介词有with,without,butfor等。如:Wecouldn’eededwithoutyourhelp(=Ifwehadn’tgotyourhelp).Whatwouldyoudowithamilliondollars?Butfortherain(=Ifithadn’tbeenfortherain),。如:1)Hewouldhavegivenyoumorehelp,).(ifIhadn’tbeenill,…)★but,otherwise连接的两个并列的分句存在单独虚拟现象,即:一个分句为虚拟句,另一个分句为真实句。3)Itwouldbeamistakenottohelphim.(Itwouldbeamistakeifwedidn’thelphim.)hesame.★有些句子相当于一个条件从句,谓语也可用虚拟语气。4))Imagineyourchildplayedtruant.③省略if的情况如果从句中含有系动词、情态动词或助动词(were,had,should或could)时,可省略if,把从句中的were,had或should或could提到其主语前形成倒装结构。如:Hadwemade(=Ifwehadmade)adequatepreparations,,,whatshouldwedo?