高中英语虚拟语气讲解.ppt

Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 虚拟语气?虚拟语气是一种特殊的动词形式,一是用来表示说话人所说的话不是一个事实,而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中);一是表示说话人的愿望、要求、命令、建议等(在宾语从句、表语从句、同位语从句)。虚拟语气的概念 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 虚拟语气一、在条件从句中(叫虚拟条件句),表示与事实相反的条件。分三种情况(以 do 为例): 虚拟语气在在条件从句中表示与事实情况相反条件从句的谓语形式主句的谓语形式表示现在情况过去式(did) (be 常用 were) Would / could / might / should ( 用于第 1人称) + 动词原形(do) 表示过去情况过去完成式(had +done 上面 4个情态动词+have done 表示将来情况①过去式(did) ② should + do ③ were to do 4个情态动词+ do Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 虚拟语气[例句] 1. If you e a few minutes earlier, you would have met him. 要是你早来几分钟的话,你就能见到他了。(与过去事实相反) 2. If it were sunny tomorrow, I e to see you. 明天要是天气好的话,我来看你。(与将来事实可能相反) 3. If I were you, I would go at once. 假如我是你的话,我会马上走。(与现在事实相反, 事实上我不可能是你) 虚拟语气在在条件从句中 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 虚拟语气二、省略 if 的条件从句当从句中有 were, had 或 should 时,可省略 if ,而把它们放在句首。? If I were to meet him tomorrow, I should ask him about it. Were I to meet him tomorrow, …? If he should fail in the experiment this time, he would try again. Should he fail in the experiment …虚拟语气在在条件从句中 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Prof