第七讲 高中英语语法 虚拟语气讲解与练习

虚拟语气 英语中有三种不同的语气：陈述语气，祈使语气和虚拟语气。 虚拟语气：虚拟语气是由句中谓语动词的特殊形式表现出来的，表示说话人所说的不是事实，而是一种假设、愿望、怀疑或推测。 一．虚拟语气表示假设，用在 if非真实条件句中 从句 主句 1. 与现在事实相反 If主语+did/were 主语+should / would/could / might + do 1. 与过去事实相反 If主语+ had done 主语+ should / would/ could / might + have done 1. 1.did 与将来事实相反 If主语+ 2.should do 主语+should / would/could / might + do 1. 3.were to do 1. 例： 1. If I were you, I would accept his advice. 1. If you had studied hard before, you would have passed the exam. 1. If it rained/should rain/were to rain tomorrow, I would stay at home. 1. 注意： 1.错综时间虚拟语气 1. 当从句主句所表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作出相应 1. 的调整。 1. If you ____________(follow)my advice just now, you _________(be)better now. 1. If you __________(study)hard before, you _______(be)a college student now. 2. 省略if的虚拟条件句中，were，had（完成时态标志），should放在句首，（用于倒装结构）， 1. if必须省略。(只倒装从句，主句不改变) 1. 1.Were I you(=If I were you),I would not do it. 1. 1.Had