精选优质文档-倾情为你奉上M6U4 虚拟语气讲解 2011.12.16一、虚拟条件句非真实条件句是虚拟语气的一种，表示与事实或愿望相反的假设或是不可能实现的愿望。时间从句主句与现在相反If + 主 + 过去时主+ would / could / should / might) + do与过去相反If + 主 + had done主+ would / could / should / might) + have done与将来相反If + 主 + 过去时主+ would / could / should / might) + do1非真实条件句的形式，根据时间的不同可分为如下三种： 表示与将来的事实或愿望相反 If it snowed / should snow / were to snow tomorrow, we would change our plan要是明天下雪的话，我们就改变计划。 If we changed / should change / were to change o
