谁能简单讲解一下虚拟语态,一定要简单,容易理解

虚拟语态 一、虚拟语态的几种固定句式 1.I wish.(一定用虚拟) 1）I wish i were you 2)I wish that she were here with me 2、as if./as though 好象 (不一定用虚拟,要看说话的语境``) 1）He speaks as if he were a...