if条件句中的虚拟语气课件
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if引导的虚拟条件句ppt课件.ppt1、虚拟语气------if引导的虚拟条件句虚拟语气(if条件句)Iftheworkingconditionsarenottoobad,Iwillacceptthejob.Ift heworkingconditionswerenottoobad,Iwouldacceptthejob.真实条件句:对现有事实的一种陈述,使用的是陈述语气〕---表达一种看法〔工作条件状况未知〕非真实条件句---虚拟语气〕表达一种假设〔与事实相反---工作条件已经很糟糕了〕If引导的虚拟条件句的三种类型带if的虚拟条件句省略if的虚拟条件句隐藏if的虚拟条件句Ⅰ、带if的虚拟条件句Ifsheinvitedme,Iwouldgototheparty.Ifshehadinvitedmeyest2、erday,Iwouldhavegonetotheparty.Ifsheshouldinvitemetomorrow, Iwouldgototheparty.与如今事实相反:if条件句用一般过去时〔动词be用were〕主句用would(should/could/might)+动词原形IamsorryIamverybusyjustnow.IfIhadtime,Iwouldcertainlygototh emovieswithyou.Ifyoucouldbeartheloneliness,youmightsucceed. Ifwehadn’tmadeadequatepreparations,thepartywouldn’thavebe ensosuccessful.The3、floodmighthavecausedgreatdamagetothepeople,ifwehadn’tbuilt somanydams.与过去事实相反:if条件句中用过去完成时主句用would〔should/could/might〕+have+过去分词。