虚拟语气语法3.ppt

Subjunctive Mood 虚拟语气英语动词有三种语气, 陈述语气,祈使语气和虚拟语气。一、陈述语气(The Indicative Mood): 用来陈述一个事实,或提出一种看法,有肯定、否定、疑问或感叹等形式。 The sun is larger than the earth. Does Tom usually get up very early? What a clever boy! 二、祈使语气(The Imperative Mood) 用来表示请求、邀请、命令、警告或劝告等。 Wait outside until you are asked . Let ‘ s just take a break, shall we ? 虚拟语气表示说话人的某种假设、愿望、怀疑、猜测、建议等含义,即动词所表示的动作或状态并非事实,或不可能实现。三. 虚拟语气( The Subjective Mood) would/could/should /might + do 将来过去现在主句的谓语形式 If 从句的谓语形式条件从句 If 主语+did /were If 主语+had done would/could/should/ might + do would/could/should/ might have done. If 主语+did. +should do +were to do 一. 虚拟语气在条件状语从句中的用法。 1、与现在事实相反从句谓语形式主句谓语形式 If 主语+did/were 主语+should/ would /could/ might+ do If I________ you, I should stay at home. If I ______the time, I would make a trip to Italy to see the Leaning tower. were had 。 2、与过去事实相反从句谓语形式主句谓语形式 If 主语+had done 主语+should/ would /could/ might+ have done If you _________yesterday, you would have met him. (come) If the hurricane ___________during the daytime , there would have been many deaths. (happen) e had happened 3、与将来事实相反从句谓语形式主句谓语形式 If 主语 did. should do were to do 主语+should/ would /could/ might do If you came tomorrow, we ___________the meeting. (have) If it _____________________tomorrow, the meeting would be put off. (rain) would have were to/should rain 注意:假设条件虚拟倒装。条件从句中有 should, were, had 三个助动词可以把 if省略,并将这三个词提至句首。 If I were you, I would give it up. Were I you, I would give it up. If it were not for your advice, we couldn ’ t have got over the difficulties. Were it not for your advice, we couldn ’ t have got over the difficulties. If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? Should there be a flood, what should we do?