虚拟语气教案.ppt

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1、语气语气英语的动词一般可带有三种不同的语气：英语的动词一般可带有三种不同的语气：陈述语气，祈使语气和虚拟语气。不同陈述语气，祈使语气和虚拟语气。不同的语气用动词的不同形式（有的还借助的语气用动词的不同形式（有的还借助句法形式）来表示。句法形式）来表示。虚拟语气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)。虚拟语气的概念虚拟语气的概念 一、一、虚拟语气在条件句中虚拟语气在条件句中虚拟条件句虚拟条件句主句主句与与现在现在事实相事

2、实相反的假反的假设设与与过去过去相反的相反的假设假设与与将来将来相反的相反的假设假设If+主语主语+动词的过去式动词的过去式（动词（动词be用用were)主语主语+should,would,might,could动词动词原形原形If+主语主语+had +过去分词过去分词主语主语should, would, might, couldhave done1、If+主语主语+动词过去式动词过去式2、If+主语主语+were to+ 动词原形动词原形3、If+主语主语+should +动词原形动词原形主语主语should, would might, could动词动词原形原形eg:If I had ti

3、me, I would attend the meeting. If he had hurried ,he could have caught the train. If I were to go abroad ,I would go to America.如果我是你，我就会努力学习如果我是你，我就会努力学习如果我知道他的电话号码，我就给他打电话了如果我知道他的电话号码，我就给他打电话了如果明天下雨的话，我们会取消比赛如果明天下雨的话，我们会取消比赛If I were you, I would work harder at my lessons.If I had known his telep

4、hone number, I would have called him.If it should were to rain, we would call off the match.More practice:注意注意 在条件句中，可省略在条件句中，可省略 if，把，把were ,had, should 提到提到句首，变为倒装句式句首，变为倒装句式If I were at school again, I would study harder.Were I at school again, I would study harder.If you had come earlier, you wo

5、uld have met him.Had you come earlier, you would have met him.If it should rain tomorrow, we would not go climbing.Should it rain tomorrow, we would not go climbing. 二、虚拟语气在名词性从句中的运用二、虚拟语气在名词性从句中的运用、wish wish 后面的宾语从句中。后面的宾语从句中。 一般用虚拟语气，表示一种不可能实现的愿望。一般用虚拟语气，表示一种不可能实现的愿望。其谓其谓语动词形式为：语动词形式为：表现在过去时表现在过去时

6、表过去过去完成时表过去过去完成时表将来表将来would, might, could动词原形动词原形I wish (that) I were a bird.I wish (that) I had seen the film last night.I wish (that) I wouldcould go.2. 2.用于表示命令、建议、要求等一类词后面的宾语从句。用于表示命令、建议、要求等一类词后面的宾语从句。insist, order, command, suggest, advise, propose, require, request, demand, desire etc.We sugge

7、sted that the meeting (should) be put off.They insisted that the boy (should) go with them.注意：注意：suggest 当表示当表示“暗示、表明暗示、表明”讲时，讲时，insist 表示表示“坚持认为、坚持说坚持认为、坚持说”之意时，应用陈述语气。之意时，应用陈述语气。The smile on his face suggested that he was satisfied with our work.The man insisted that he had never stolen the money.

8、他脸上的表情表明他对我们的工作很满意他脸上的表情表明他对我们的工作很满意那个人坚持说他没有偷钱那个人坚持说他没有偷钱 在在suggestion / proposal / order / plan / advice / idea / request 等等名词后的表语和同位语从句中名词后的表语和同位语从句中要用要用“should动词原形动词原形”should可以省略可以省略3 3 用于表语从句和同位语从句用于表语从句和同位语从句My idea is that we (should ) think it over before accepting it. My suggestion that we

9、(should) have a meeting has been accepted by others.We all agree to that suggestion that the meeting (should) be put off.Choose the best answer: 1. I didnt know his telephone number. _ it， I _ then. A. Had I known， would ring him up B. Should I know， would have rung him up C. If I knew； would ring h

10、im up D. Had I known； would have rung him up 2. Mary is ill today. If she _， she _ absent from school. A. were not ill， wouldnt be B. had been ill， wouldnt have been C. had been ill， should have been D. hadnt been ill， could be DA3. Were I to do it， I _ it some other way. A. will do B. would do C. w

11、ould have done D. were to do4. The young man insisted that he _ nothing wrong and _ free. A. did; set B. had done; should be set C. should do; be set D. had done; must be set5. He gave orders that the experiment _ before 5:30pm. A. be finished B.will finish C. must be finished6. I didnt see your sister at the meeting. If she _， she would have met my brother. A. has come B. did come C. came D. had come7. She wishes she _ to the theatre last night. A. went B. would go C. had gone D. were goingBDABCThank you!