一、教学内容:
chapter 7 a new newspaper
二、具体过程:
(一)虚拟语气的用法
虚拟语气是一种特殊的动词形式,用来表示说话人所说的话并不是事实,而是一种假设、愿望、怀疑或推测。
ⅰ用以表示虚拟条件的虚拟语气
用if条件从句表示的虚拟条件,是虚拟条件最普通的方式。
① 虚拟现在时表示与现在事实相反的假设,其if 从句的谓语形式用动词的过去式(be 一般用were),主句用would/ should/ could/ might +动词原形,例如:if i were in your position i would marry her.
② 虚拟过去时是表示与过去事实相反的假设,if 从句的谓语形式用过去完成时即had+过去分词,主句用would / should / could / might + have +过去分词,例如:if it had not rained so hard yesterday we could have played tennis.
③ 大多数的虚拟条件句属于上面三种情况中的一种,但并不排除存在于条件和结果中,一个和现在情况相反,另一个和过去情况相反,例如:if you had followed what the doctor said, you would not have been so painful now. 这个句子在高中出现频率颇高。
④ 但是,如果结果用了虚拟语气,而条件却用陈述语气,这种用法是错误的。
1) 虚拟语气用在简单句中,表示祝愿,命令。
may you be happy. 祝你幸福。
may you have a good time. 祝愿你玩得痛快。
may the friendship between us last long. 祝愿我们的友情天长地久。
have a good journey! 祝愿你
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