新概念英语第三册虚拟语气英语讲解和习题.docxVIP

虚拟语气是一种表达假设、条件或不确定性的语法形式。这种语气在英语中通常用于表达与现实相反的情况，或者表达某种可能性或不确定性。下面将介绍虚拟语气的三种主要形式：条件虚拟、愿望虚拟和命令虚拟。 一、条件虚拟 条件虚拟是指在某个条件真实的情况下，陈述某个行为或情况可能发生。通常，条件虚拟使用的句式为：“如果+从句+动词过去时态+主句+动词过去时态”。例如： * If we had more money, we could buy a new car. 如果我们有更多的钱，我们就可以买一辆新车。 * If she were here, she would help us. 如果她在这里，她就会帮助我们。 二、愿望虚拟 愿望虚拟是指表达对某种情况的强烈愿望或希望。这种语气常用于一些成语或习惯用语中，如“wish”等。例如： * I wish I were a millionaire. 我希望我是百万富翁。 * She wishes she had never seen him again. 她希望她从来没有再见到他。 三、命令虚拟 命令虚拟是指表达对某种情况的强烈建议或要求。这种语气通常用于正式场合或官方文件中，常使用“should”等情态动词。例如： * They demanded that the thief should be punished. 他们要求惩罚那个小偷。 * It is recommended that we should take more exercise. 建议我们应该多运动。 以下是几道虚拟语气的英语练习题： 1. If I ___________ more time, I would study more diligently. A. had B. have C. having D. will have 2. If we ___________ more water, we could swim in the river. A. had B. have C. will have D. have had 3. If the bus ___________ on time, we would not have been late for school. A. were to arrive B. will arrive C. arrived D. had arrived 4. If only I ___________ the truth earlier! A. would learn B. have learned C. had learned D. learned 5. If only I ___________ the party last night! A. attend B. attended C. would attend D. had attended 答案： 1. A. had 2. B. have 3. D. had arrived 4. C. had learned 5. D. had attended 6. If I ___________ to the party last night, I would have met some famous people. A. am B. was C. will be D. had been 7. If I ___________ you to the party, I would have told you about it. A. have invited B. invited C. had invited D. would invite 8. If I ___________ out of the room, I would have seen the newspaper. A. left B. will leave C. have left D. would have left 9. If I ___________ at the party last night, I would have a good time. A. attend B. attended C. was attending D. had attended 10. If I ___________ to the party yesterday, I would have had dinner with some famous people. A. arrived B. arrived C. would arrive D. had arrived 11. If the train ________ (come) in ten minutes, we would be l