虚拟语气用法及动词形式-word资料(精).doc

用法及动词形式 1 、表示与现在事实相反的情况: 从句: If 主语+ 过去时(Be 动词用 were) 主句: 主语+should/would/could/might+do eg: 1. IfI were you,I would take an umbrella. 如果我是你,我会带把伞。(事实:我不可能是你) 2. IfI knew his telephone number,I would tell you. 如果我知道他的电话号码,我就会告诉你。(事实:不知道) 3. If there were no air or water,there would be no living things on the earth. 如果没有水和空气, 地球上就不会有生物。( 事实: 地球上既有空气也有水)4. IfI had any money with me,I could lend you some. 如果我带钱了,我就会借给你些。(事实:没有带钱) 5. If he studied harder,he might pass the exam. 如果他再努力些,就能通过考试了。(事实:没有努力) 6. she looked at me as ifI had been a stranger. 她看我的样子好像我是一个陌生人。(事实:我并非陌生人) 2 、表示与过去事实相反的情况从句: If 主语+had+done 主句: 主语+should/would/could/might+have done eg: 1. IfI had got there earlier,I should/could have met her. 如果我早到那儿,我就会见到她。(事实:去晚了) 2. If he had taken my advice,he would not have made such a mistake. 如果他听我的劝告的话,就不会犯这样的错误了。(事实:没有听我的话) 3 、表示对将来情况的主观推测从句: ① if+ 主语+were to do 主句: ①主语+should/would/could/might+do ② if+ 主语+did/were ②主语+should/would/could/might+do ③ if+ 主语+should+do ③主语+should/would/could/might+do eg: 1. If he e here tomorrow,I would talk to him. 如果他明天来这儿的话,我就跟他谈谈。(事实:来的可能性很小) 2. If there were a heavy snow next Sunday,we would not go skating. 如果下周日下大雪, 我们就不能去滑冰了。( 事实: 下雪可能性很小) 3. If she were to be here next Monday,I would tell her about the matter. 如果她下周一来这儿的话,我就会告诉她这件事的始末。(事实:来的可能性很小) 4、有时, 虚拟条件句中,结果主句和条件从句的谓语动作若不是同时发生时,虚拟语气的形式应作相应的调整。这种条件句叫错综条件句。①从句的动作与过去事实相反,而主句的动作与现在