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[提分宝典]临考磨剑之重点语法(七)虚拟语气.doc

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    • 临考磨剑之重点语法(七) 虚拟语气一.虚拟语气定义 虚拟语气是表示与事实相反或建议,命令,要求和个人观点和看法的动词的一种特殊形式,经常出现在名词性从句或状语从句中温馨提示:虚拟语气主要有两种情况1)表示与事实相反(包括不真实/难实现的愿望) 2)表示建议,命令,要求和个人观点和看法 虚拟语气体现在谓语动词的形式上 Eg.If I were you, I would take this job.(与现在事实相反) 如果我是你,我就接受这份工作 I wish that I were a bird.(现在的不真实的愿望) 我希望我是一只鸟 He suggested that I ( should) start early.(表示建议) 他建议我应该早点出发 The officer ordered the soldiers that they (should )obey the rules .(表示命令) 这个军官命令士兵要遵章守纪。

      It is necessary that he ( should )learn English.(表示个人观点和看法) 他学习英语时必要的 二.虚拟语气的类型 1.If条件句中虚拟语气 从句和主句的动词形式要用特殊的形式表示虚拟,如下表:从 句主 句与现在事实相反动词的过去式(be的过去式一般用were)would/ should/ could/ might + 动词原形与过去事实相反had + 过去分词 would/ should/ could/ might + have + 过去分词与将来事实相反 动词过去式/should + 动词原形/were to + 动词原形would/ should/ could/ might + 动词原形 Eg If I were you, I would take this job.(与现在事实相反) 如果我是你,我就接受这份工作 If you had come here yesterday, you would have met Mr. Wang.(与过去事实相反) 如果你昨天来这儿,你就会遇到王先生。

      If it should rain/were to rain/ rained tomorrow, we would put off the sports meeting. (与将来事实相反,天气预报明天是晴天) 万一明天下雨,我们就推迟运动会温馨提示:1).假设的情况是过去或现在都不存在的,或将来不大可能发生的,则是虚拟条件句用If 说过去或现在的事,一定表示虚拟用If 说将来的事,就有两种情况,真实或虚拟,如果表示将来不可能发生或万一发生的事情就是虚拟,反之,是真实条件句 Eg If it rains tomorrow, we won’t go there.(表示真实的条件) 如果明天下雨,我们就不去那里了 2).如果条件状语从句的谓语动词有were,had或should,可以把if省去,而把were,had或should移到主语前面,形成倒装 Eg. Were I you,I would take this job. 如果我是你,我就接受这份工作 Had you come here yesterday, you would have met Mr. Wang. 如果你昨天来这儿,你就会遇到王先生。

      Should it rain/ were it to rain tomorrow, we would put off the sports meeting. 万一明天下雨,我们就推迟运动会 3).错综时间条件句 当条件从句表示的动作和主句表示的动作发生的时间不一致的时候(一般从句表示与过去事实相反,主句与现在事实相反一般情况下,在主句和从句中都有时间状语的提示 Eg. If you had followed the teacher’s advice before, you would not regret now. 如果你以前听老师的建议, 你现在就不会后悔了 4).含蓄条件句 英语中有些介词短语如without...(没有……),but for... (要不是……),in that case 等和有些连词but(但是),副词otherwise(否则),并列连词or(否则可以代替If 条件句表示虚拟条件这时我们只考虑主句的虚拟形式就可以了 Eg. But for his help, I would not have finished the task.(与过去事实相反) 要不是由于他的帮助,我不会完成这项任务。

      =If it hadn’t been for help, I would not have finished the task. I would have come here , but my mother was ill.(与过去事实相反) 我本要来这儿,但是我的妈妈病了 =If my mother hadn’t been ill, I would have come here. I was busy,otherwise I would have helped you. 我当时很忙,不然就帮助你了与过去事实相反) otherwise=if I hadn’t been busy2. 在名词性从句中的虚拟语气 1)wish后的宾语从句 过去式(与现在事实相反) 从句的谓语动词形式 过去完成式(与过去事实相反) could/would+动词原(与将来事实相反) Eg. I wish that I were a bird.(现在的不真实的愿望) 我希望我是一只鸟。

      He wishes he hadn’t made that mistake.(与过去事实相反) 他希望他没犯那个错误 He wishes that he could go to the moon one day.(与将来事实相反) 他希望他有一天能去月球2) suggest 等+从句 在suggest(建议),advise(建议),recommend(建议,劝告),propose(建议),demand(要求),request(请求),require(要求),order(命令),command(命令),insist(坚持要),desire(欲望)等动词后的宾语从句中要求用“should+动词原形”或只用动词原形Eg. He suggested that I ( should) start early.温馨提示:1)当suggest表示暗示的含义时,所接的宾语从句用真实的语气 2)suggest(建议),advise(建议),recommend(建议,劝告),propose(建议),demand(要求),request(请求),require(要求),order(命令),command(命令),insist(坚持要),desire(欲望)等动词的被动语态所带的主语从句中的动词要求用“should+动词原形”或只用动词原形。

      Eg. His pale face suggested that he was ill.(suggest表示暗示) 他的苍白的脸暗示他病了 It is required that all the students (should) be quiet.(主语从句) 要求所有的学生肃静 3)suggestion/advice/proposal(建议)/demand/requirement/ request(请求)/command/order(命令)这些名词所接的同位语从句/主语从句/表语从句,从句谓语要用虚拟形式(should) do should 可以省略 Eg.My suggestion is that you (should )do something about it.(表语从句) 我的建议是你应该对这件事采取措施 My request that he (should )attend our party has been accepted.(同位语从句) 他参加我们的晚会的请求被接受了 4) 在主语从句中用以表示惊奇、惋惜等个人观点时,也用虚拟语气(should)+动词原形 should可以省略.经常用在下面的句型中It's necessary/important/surprising/natural/strange that.....是.必要的/重要的/令人惊讶的/自然的/奇怪的...It's a pity/a shame that......是遗憾的 Eg. It’s strange that he( should) speak to his father like that. 他竟然和他的爸爸那样说话,真是很奇怪。

      It's a pity that he should not agree with us. 真遗憾,他竟然不同意我们的观点 5)would/had rather 后的宾语从句 表示“宁愿”,表示现在或将来的情况,谓语动词用过去时; 表示过去的情况,谓语动词用过去完成时 Eg.I'd rather you told him the bad news tomorrow.(表示将来的情况) 我宁愿你明天告诉他这个坏消息 I had rather you hadn't made that mistake.(表示过去的情况) 我宁愿你没犯那个错误 6)It is (high) time (that)...“(早)该……”之后的宾语从句 宾语从句中的谓语动词用过去时, 有时也可以用“should+动词原形(should不能省略)” Eg. It's (high) time you went/should go to school. 。

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