虚拟语气一、if 引导的虚拟条件句(表示与事实相反的假设):现在:If+主语+过去式/were,主语+should/would/could/might+动词原形过去:If+主语+had+过去分词,主语+should/would/could/might+have+过去分词过去式/were将来:If+主语+ should + 动词原形, 主语+should/would/could/might +动词原形were to + 动词原形另外:有些词,如:orotherwise(否则);without(没有);but for(要不是)等,表示一个隐含的条件,所用的虚拟语气与if引导的虚拟条件句结构相同注意:if引导的虚拟条件句中,谓语部分含有werehadshould,可将引导词if省略,并将werehadshould 提到句首。二、wish之后接的宾语从句(表示不可能实现的愿望):过去式/were (现在)Wish +(that) had + 过去分词 (过去)would/could/might +动词原形 (