高中语法项目------虚拟语气SubjunctiveMood一:分类1在英语中有三种语气,陈述语气,祈使语气和虚拟语气2虚拟语气表示说话的人的一种愿望、意见、命令、要求,有时候是一种非真实的假设、料想或者是不可能实现的与事实相反的愿望
二、形式虚拟语气经常用在if引导的条件状语从句中,在条件句中做出和事实不相符的一种假设
和现在事实相反的假设If从句主句主语+动词过去式+其它(be动词用were)主语+would/should/could/might+动词原形+其它如:IfIwereyou,Iwouldstudyhard
Ifhehadenoughmoney,hewouldbuyacomputer
和过去事实相反的假设If从句主句主语+haddone+其它主语+hadbeendone+其它(被动)主语+would/should/could/might+havedone主语+would/should/could/might+havebeendone(被动)如:Ifyouhadcomefiveminutesearlier,youwouldhavemethim
Iftheyhadbeentreatedintime,theywouldnothavedied
和将来事实相反的假设If从句主句主语+weretodo+其它主语+动词过去式+其它主语+should+动词原形+其它主语+would/should/could/might+动词原形如:IfIweretodoit,Iwoulddoitinanotherday
Ifitrainedtomorrow,wewouldn’tbeabletogoonpicnic
混合条件句混合条件句是指条件句是对过去事实相反的假设,而主句则表示现在的某种情况
用心爱心专心If从句主句主语+haddone+其它主语+would/should