虚拟语气的全面讲解.pptVIP

??如果从句表示的动作发生在过去，用过去完成时，指现在状况，则用过去时，指将来则用过去将来时 例如： He looks as if he were an artist.??? He speaks English so fluently as if he had studied English in England．??? Even if he were here，he could not solve the problem． 四)虚拟语气在 as if(as though)，even if( even though)等引导的表语从句或状语从句中的应用． She often laughs spontaneously, and her good humor breaks out as brightly as if it were a part of the sunshine above.她常常发出发自内心的微笑，而且她那美好的情绪像天上一道明亮的阳光一样，常常流露出来。? They talked as if they had been friends for years.他们交谈着，就好像他们是我年的老朋友一样。? She looks as if she would cry.她看起来好像要哭了 例如：?She put a blanket over the baby for fear that he should catch cold. 她在那个婴儿身上盖上了毯子以免他着凉。?The bad man was put in the soft-padded cell lest he injure himself. He kept quiet lest he (should) disturb her.?I did this so that I might have a couple of weeks to prepare my paper. 由连接词in case, so that ,in order that ,unless, lest ,for fear that引起的状语从句中，谓语动词要用虚拟形式，即should(might, would)+动词原形， * * 虚拟语气表示说话人的愿望、假设、猜测或建议，而不表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示，下面对虚拟语气在各种句式中的用法分别介绍。 句式 复合句 状语从句 定语从句 名词性从句 主语从句 宾语从句 表语从句 同位语从句 Subjunctive Mood 条件状语从句 其他状语从句 If 条件句 含蓄条件句 简单句 一、虚拟语气在简单句中的应用 用“ may 十动词原形”表示“祝愿”、“但愿”． may须置于句首， 例如：May you be happy!? May you succeed!? May you have a good time!? 其他表示愿望、祝愿或诅咒;命令。 God bless you . Heaven forbid! work ! Be more careful！ You go out ! ? 名词性从句 主语从句 条件状语从句 含蓄条件句 二、 复合句 定语从句 状语从句 宾语从句 表语从句 同位语从句 其他状语从句 If 条件句 虚拟条件句可分为两类： 一类是叙述与现实事实相反的情况， 一类是叙述与过去事实相反的情况。 另外，还有一类用于推测将来的情况，也称作推测条件句。 （一）虚拟语气用于条件状语从句。 表示与现在事实相反的假设时， 条件状语从句中的谓语动词用“过去式（be的过去式用were）”，而主句中的谓语动词用“would（should, could, might）+动词原形。” Example If I had time ,I would certainly go to the movies. If I were you, I should study English. If he had time, he would attend the meeting. 练习 题例： 1)?????? If my father __________ here now, he _____