非常好虚拟语气全

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,语法要点,虚拟语气,Subjunctive mood,I什么是语气?,语气是动词的一种形式,用以表示说话,人对某种言行或某种事情的看法或态度。,英语有三种语气:陈述语气,祈使语气,和虚拟语气,陈述语气一般用来讲述事实或提出疑问。,常常用于陈述句、疑问句和感叹句。,e.g. I took a shower after supper.,What are you going to do?,What a beautiful flower!,祈使语气主要用于祈使句。,e.g. Get out of here!,虚拟语气,I.什么是虚拟语气?,虚拟语气是一种特殊的动词形式,表示说话人,所说的话不是事实,而是想象、假设、建议、,打算、意见、愿望、怀疑、推测、喜悦等等。,have told her what had happened ve would,e.g. If we had met her last night,如果我们昨晚见到她,我们就会告诉她发生了,什么事。,(实际上,我们并没有见到她,也没有告诉她,所发生的事。),为什么要学习虚拟语气?,虚拟语气是四级考试中重点考察的语法,点。历年四级考试中,仅仅单项填空部,分就一共出现了48道虚拟语气的题,目!,I.虚拟语气的最基本形式,非真实性条件句是虚拟语气最基本的表,现形式。,.由“if来引导的非真实条件句,组成方式,非真实的条件从句+假设结果(主句),最基本形式的表达方式,种类,从句的动词形式主句的动词形式,与现在事实相反动词过去式 would/ should/,(be的过去式常用 might/ could+,Were有时第三人动词原形,称单数可用Was),与过去事实相反had+过去分词 would/ should/,might/could,have+过去分词,与将来事实相反1动词过去式 would/ should/,2 should+动词原形 might/coud+,3 were to+动词原形动词原形,注意,在主句中, should一般只与第一人称搭,配,coud和mght各人称都可以使用,但woud是最普遍,最常见的。,Examples,如果他在这里,他就会帮助我们。,If he were here, he would help us,如果昨天没下雨,我们就去踢足球了。,If it had not rained yesterday we,would have played football,如果敌人胆敢袭击我们,我们将把他们,全消灭。,If the enemy were to(should) attack,us, we would wipe them out completely,