虚拟语气表示一种不能实现的假设
该语法主要用于if条件状语从句
也可用于主语从句、表语从句、宾语从句等
只有在只有在非真实条件句非真实条件句中才使用虚拟语气中才使用虚拟语气
通常有三种情况:通常有三种情况:①①与与过去过去事实相反
②②与与现在现在事实相反
③③与与将来将来事实可能相反
事实可能相反
虚拟语气虚拟语气条件从句条件从句的谓语形式主语的谓语形式与过去相反IfI(you,he/she,they,we)+had+过去分词should/would/could/might+have+过去分词IfIfyouhadgotupyouhadgotupearlier,earlier,youcouldhaveyoucouldhavecaughtthecaughtthetrain
如果你早一点起床,就会赶上火车的
如果你早一点起床,就会赶上火车的
与过去相反与过去相反IfI____________timelastnight,I_____________toseethefilmwithyou
hadhadhadhadwouldhavegonewouldhavegoneIfhemorecarefully,hethecaraccidentyesterday
haddrivenhaddrivenwouldnothavehadwouldnothavehadIfIhowtoswim,IfIhowtoswim,IItrappedinthisisland
trappedinthisisland
hadlearnthadlearntwouldnothavebeenwouldnothavebeen条件从句条件从句的谓语形式主语的谓语形式与现在相反IfI(you,he/she,they,we)+动词过去式should/would/could/might+动词原形例:例:If