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论变体基础英语教学中虚拟条件句与其变体查抄袭率

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[摘 要]英语虚拟条件句是虚拟语气的基本形式,它不仅是学习虚拟语气的基础,而且是基础阶段英语教学的重点和英语考试的难点之一。虚拟条件句由基本形式和各种变体组成,前者形式固定,易于掌握,而后者结构多变,较难掌控。因此,专题研究英语虚拟条件句及其变体是英语教学和考试的必修基本功,也是有效使用虚拟语气的必要保障。
[关键词]虚拟条件句;条件;变体
动词是学习英语词法的重点,语气是学习动词的难点,而虚拟又是学习语气的要点。因此,英语词法之重在动词,动词之难在“语气”,语气之要在“虚拟”。虚拟语气(subjunctive mood)是专门表达“检测设意义”(hypothetical meaning)及其他“非事实意义”(non-factual meaning)的动词形式。简而言之,虚拟语气是动词的特殊形式,用来表达说话人难以实现或不可能使之成为事实的意愿、建议、请求、意图、惊奇、设想等情境。虚拟语气可分为条件式,即虚拟条件句(主要用于状语从句)、命令式/建议式(主要用于名词性从句)和其他类别。在各种类型的虚拟语气中,虚拟条件句是学习的基础,它分为基本形式和几种主要变体。前者结构相对较固定,类似公式,易于学习,后者则结构多变,形式多样,不易掌握。因此,在基础英语教学中,必须熟练掌握虚拟条件句的基本形式并有效识别各种“变体”。

一、虚拟条件句的基本结构与类别

英语虚拟条件句的基本形式由if引导的非真实性条件从句加上主句构成,为了表达虚拟功能,从句和主句谓语动词都要作特定形式的变化。由于人类生活需要经历过去、现在和将来三个不同时间节点,虚拟条件句也随之分为上述三种类型,各自结构及动词形式如下。
虚拟条件句上述三种基本形式对应的典型例句如下:
1. 与现在事实相反的检测设。(1) If I had the chance, I would he another try. 如果我有这个机会,我定会再试试。(事实是我没这样的机会,不可能去试)(2) If I were you, I would he a sleepless night. 如果我是你的话,我会失眠。(事实是我不是你,不可能会失眠)
2. 与过去事实相反的检测设。(1) If he had told you the fact that day, you would he grasped the precious opportunity. 如果那天他把事实告诉你的话,你会抓住那个宝贵的的机会。(事实是他没告诉你,机遇失之交臂)(2) If we had known the truth at that time, we would he made greater progress. 如果我们当时了解真相,就会取得更大进步。(事实是,我们当时不解真相)

3. 与将来情况相反的检测设。

(1) If they got/should/were to get the specific information tomorrow, they would get you informed soon. 如果他们明天能得到相关消息,定会首先让通知你。(事实是他们不能得到消息)(2) If you were/ should/were to be the president of USA tomorrow, what would you do first? 如果你明天当上美国总统,首先将会做什么?(事实是,明天你不可能当上总统)

二、虚拟条件句的各种常见变体

1. 省略if倒装式。如果有should,were或had出现在虚拟条件句的从句部分,则常省略该从句引导词if,并将should,were或had提到句首引起部分倒装。如:(1) Should it snow (If it should snow), we could not go out for picnic. 如果明天下雪(事实是明天不会下雪),我们就不能外出野炊。(2) Were he in my position (If he were in my position), he might act differently. 如果他遇到我这种情况,他可能会做出相反的举动。(3) Had I taken your words that day (If I had taken your words that day), I would he suffered a lot. 如果我那天听了你的话,就会倒大霉。以上三例分别是对将来、现在和过去的虚拟,从句分别用到should, were和had。
2. 委婉替代式。有时虚拟条件不直接通过if引导词引出,而是借助部分介词或介词短语、不定式或动名词短语、特定抽象名词或并列句型以及上下文等形式表示出来,这种情况也称委婉或含蓄虚拟条件句。这类常见功能词有without, with, but, but for/that(倘若),given more time, given, given that(如果被给),or, or else, otherwise(否则, 要不然),unless(除非,如果不),supposing, supposed that(如果),等等。如:(1) Without solar power (=if there were no solar power), our life would not be so green today. 如果没有太阳能,我们就不能享受今天的绿色生活。(2) God would he helped you, but you was so lazy (=if you had not been so lazy). 如果你当初不是太懒,上天定会助你。(3) But for the hey rain (=if it had not been for the hey rain), we should he delivered the goods on time. 如果不是那场大雨,我们定会准时送货。(4) They’re really busy,otherwise (=if they were not busy) they would go treling with me. 如果他们不忙,就会和我一同出去走走。(5) Meeting in China (=if they had met in China), they might he established a friendship. 如果他们当时能在中国相遇,说不定还能建立一段友情。(6) To keep their promise (=if he w

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ere to keep their promise to each other), they would love each other till death do them apart. 如果他们铭记彼此的承诺,就会享受忠贞不渝的爱情。(7) One more step forward (=if you had moved one more step forward) and you might he seen the God. 如果你当时再前进一步,就可能命丧黄泉。(8) Your late reputation would be ruined! 你会晚节不保!(虚拟条件隐藏在上下文中,很可能是if you should/were to accept his bribe。)

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