学位英语重点语法辅导-虚拟语气

1.英语中的三种语气英语共有三种语气，陈述语气、祈使语气和虚拟语气。

陈述语气用来讲述事实，有肯定、否定、询问和感叹等形式，谓语动词有人称、时态和数的变化；祈使语气用于提出请求、建议、劝告、命令和警告等，以动词原形起句，否定式句前加Don't；虚拟语气表示说话人所言内容不是事实，而是一种假设、愿望、建议、请求、命令或猜测，有时只是说话者的主观愿望，或表达他/她的强烈情感，谓语动词用特殊形式。

2.非真实条件句的虚拟语气巧计主句中五个虚拟引导词：MS COW(奶牛女士)：might, should, could, ought to, would2.1. 与过去事实相反1). If I had had much money at that time, I would have bought you what you want.2). If you had been more careful, the mistake might have been avoided.3). If you had taken my advice, you wouldn't have made such a mistake.4). We wouldn't have succeeded if it had not been for their help.5). If you had been here yesterday, you would have met the film star.6). If I had known more about giving first aid, I could have helped them.7). If you had got up earlier, you would have caught the train.8). If we had had enough rain last year, we could have gained a good harvest.9). If you had worked a little harder, you could have passed the final examination.10). If they had invited her to the party, she would have attended it.2.2.与现在事实相反1). If I were you, I would go there at once.2). If my classmates were here, they would help me.3). If I were you, I would accept the job.4). If classes were smaller, children would learn more.5). If I were ten years younger, I would start all over again.6). If I had enough money, I would buy a large house.7). If I had time, I would go shopping with you.8). If I knew all the answers to all your questions, I would be a genius.9). If he were here now, we would ask him about it.10). If I had time, I would study French.11). If I knew her number, I could ring her.（可惜我不知道）12). If there were no gravity, we should not be able to walk.（实际上地球引力始终存在。

）13). If I knew the answer, I would tell you.（实际上我确实不知道，所以肯定不能告诉你。

）14). If I had money on me, I would lend you some.15). We would not be able to walk if there were no friction.16). If you were in my position, what would you do?17). If they treated me as a slave, I had to resign.18). If there were no examinations, we should have a much happier time.19). If wishes were horses, beggars might ride.（如果幻想能成为马匹，叫花子们都有了坐骑。

）20). Life might be too dull if it had no difficulties in it.（倘若生活中没了困难，就会过于平淡。

）2.3. 与将来事实相反1). If it rained / should rain / were to rain tomorrow, we would have a rest.2). If the sun were to rise from the west, I would marry you.（注意：对将来虚拟的条件从句中，在实现的可能性方面过去式did最大，should do中等，were to do 最小。

如本句太阳没有可能从西方升起，所以本句用were to最恰当。

）3). If I were to meet her tomorrow, I would ask her about it.4). If green plants should disappear some day, there would hardly be any life on the earth.5). If I were to do the work, I would do it in a different way.6). If it should(were to) rain this afternoon, the football match would be put off.7). If you missed the film this evening, you would be sorry for it.（如果今晚错过了这场电影，你会遗憾的。

实际上，你不会错过。

）8). If I were to see her tomorrow, I would invite her home.9). If you lived there for several months, you would change your mind about the place.10). If things were to be done twice, all would be wise.（如果事情能被做两次，人人都会变得明智。

）2.4. 混合型1). If you had followed the doctor's advice, you would be much better now.（过去→现在）2). If you had worked hard, you would be a college student now.（过去→现在）3). If you had listened to me, you wouldn't be in such trouble now.（过去→现在）4). If you had got six more votes yesterday, you would be our chairman now.（过去→现在）5). If I had earned much money last summer, I would go on a vacation next month.（过去→将来）6). If you hesitated this moment, you might suffer in future.（现在→将来）7). If the doctor had come sooner last night, Tom would be alive today.（过去→现在）8). If I were you, I would have gone to her birthday party.（现在→过去）9). If it had rained last night, the ground would be wet now.（过去→现在）10). If you hadn't lent me some money, I couldn't have bought the new house and most likely I wouldn't be still living in the dangerous house now.（过去→过去→现在）2.5. if的省略与条件句的倒装1). Were I you, I would have accepted the job.2). Were she here, she would support us.3). Were you to go fishing with me, you would have a much happier time.4). Were men angels, no government would be necessary.（如果人人都是天使，政府就没有必要了。

）5). Were she my daughter, I wouldn't allow her to study abroad.6). Had you come earlier, you would have met my girlfriend.7). Had I time, I would come.（本句中had是实意动词，而非主动词。

）8). Had I been informed earlier, I could have done something to prevent it from happening.9). Many persons in the worls would have succeeded had they not wasted their valuable time.10). Should it be fine tomorrow, we would go outing.11). Should you change your mind, no one would blame you.12). We would gone to your birthday party had you invited us.13. I would go should it be necessary.14). What would have happened had Bob walked farther, as far as the river bank?15). Had it not been for you, I would have lost my way.16). Were it not for water, no plant could grow.17). Be they common people or high-ranking officials, they stand equal before the law. (Whether they be…)18). Be the weather what it may, I will leave tomorrow. (Whether the weather be what it may, …)注意：在这一结构中，若条件句为否定句，not应被放在主语之后，而不能缩写成weren't, shouldn't或hadn't而置于居首。