资源描述：
《高考英语虚拟语气ppt课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Subjunctivemood1ItlooksasifHarryPotterwereagrown-up.Isheagrown-up?IwisheverydaywereSunday.IseverydaySunday?2这种表示假定、想象、愿望等的非事实观念的语气就叫虚拟语气。英语的语气分三大类：陈述语气：用来叙述一件事实。祈使语气：表达说话人的请求或命令。虚拟语气：表示说话人的愿望,假设,猜测或建议,而不是表示客观存在的事实。3虚拟语气在各种句式中的用法:(一)用于条件状语从句1、真实条件句和虚拟条件句真实条件句：IfIhavet
2、ime,Ishall(will)gotoseeyou.Ifyoumove,I’llshootyou.虚拟条件句:IfIwereabird,Iwouldflythere.IfIwereastudent,Iwoulddoit.4从句主句与现在事实相反与过去事实相反与将来事实相反If+主语+动词过去式（be动词一律用were)主语+would/should/could/might+动词原形If+主语+had+过去分词主语+would/should/could/might+have+过去分词动词的过去式或should/wereto+动词
3、原形主语+would/should/could/might+动词原形2、虚拟语气在条件句中的用法5eg.IfIwereyou,IshouldstudyEnglish.Ifhehadtime,hewouldattendthemeeting.Ifyouhadcomeyesterday,youwouldhavemethim.Ifyoucametomorrow,wewouldhavethemeeting.Ifitwereto/shouldraintomorrow,themeetingwouldbeputoff.6（1）当条件状语从句的行
4、为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间来调整。(混合时间条件句)eg.Ifyouhadfollowedthedoctor’sadvice,youwouldbequiteallrightnow.(从句指过去,主句指现在)IfIhadspokentohimyesterday,Ishouldknowwhattodonow.注意7（2）从句省略if,用倒装句式“were,had,should+主语”eg.WereIinschoolagain,Iwouldworkharder.Hadyoubeenheree
5、arlier,youwouldhaveseenhim.Shouldtherebeameetingtomorrow,Iwouldcome.注意8(3)含蓄条件句：虚拟条件暗含在介词短语或上下文中，从句不表现出来。eg.Icouldnevergotocollegewithouthishelp.Butfor(要不是)yourhelp,weshouldhavefailed.Iwouldhavevisitedyoulastweek,butIwassobusy.(=IfIhadnotbeensobusy,…)注意(=Ifthereweren
6、othishelp…)(=Ifithadnotbeenforyourhelp…)ButthatIsaw,Iwouldn’thavebelievedit.(=IfIhadn’tseenit…)Iwasillthatday.OtherwiseIwouldhavecome.(=IfIhadn’tbeenillthatday,Iwouldhavecome.)9(4)特殊结构的条件句Ifitwerenotfor…eg.Ifitwerenotforhishelp,Icouldnevergotocollege.Ifithadnotbeenfo
7、ryourhelp,weshouldhavefailed.“如果没有…”,表示同现在事实相反的假设Ifithadnotbeenfor…“如果当时没有”,与过去事实相反的假设注意10(5)Ifonly…(“要是…多好呀”)引导的感叹句eg.IfonlyIhadtakenhisadvice!我要是听他的话就好了!IfonlyIhadwings!Ifonly+主语+过去完成（与过去相反）过去式（与现在或将来相反）注意(itwouldhavebeenbetter)11(二）wish引导的宾语从句从句动词的虚拟语气形式wish引导的宾语从
8、句1.与现在事实相反:过去式(be多用were)2.与过去事实相反:had+过去分词3.与将来事实相反:would+动词原形eg.Iwisheveryonewereactiveinthelesson.IwishIhaddonebetterinthemid-ter
