初中英语语法知识点虚拟语气

初中英语语法知识点虚拟语气
初中英语语法知识点虚拟语气

初中英语语法知识点——虚拟语气

虚拟,在汉语中表示一种假设的,不存在的情况,同样,英语中虚拟语气是用来表示说话人的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。在初中阶段,虚拟语气一般用于下列情况:

一、条件状语从句

1、与现在事实相反

若与现在事实相反,虚拟语气的条件从句的谓语用过去式(be通常用were),主句谓语用“should (would, could, might)+动词原形”。如:

If I were you, I would take an umbrella. 如果我是你,我会带把伞。(事实上我不可能是你)

If I knew her number I could ring her up. 要是我知道她的电话号码,我就可以给她打电话了。(事实上我不知道)

2、与过去事实相反

若与过去事实相反,从句:主语+had done ,主句:主语+should/would/could/might+have done,例如:

If I'd left sooner,I'd have been on time. 要是我早点动身,我就准时到了。(但我动

身太迟了)

If I 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)

3、与将来事实相反

从句:①if+主语+were to do 主句:①主语+should/would/could/might+do

②if+主语+did/were ②主语+should/would/could/might+do

③if+主语+should+do ③主语+should/would/could/might+do

例如:If he went,would you go too? 如果他去,你也去吗?(大概他不会去) If he should come 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)

注意与说明:对于与将来事实相反的情形,请注意以下几点:

一是这里说的与将来事实相反,实为对将来情况的推测;

二是此用法中的条件从句谓语除用过去式外,有时也用“should+动词原形”(表示可能性极小,常译为“万一”)或“were to+动词原形”(表示与将来事实相反的假设);

三是当条件从句使用“should+动词原形”这样的谓语时,主句谓语除可用“should (would, could, might)+动词原形”这样的虚拟语气外,也可用陈述语气或祈使语气。如:I should see him, I'll tell him. 万一我见到他,我就告诉他。

If it should rain tomorrow, don’t expect me. 万一明天下雨,就别等我了。

二、wish 后宾语从句

1、表示与现在事实相反的愿望,谓语动词用过去式。例如:

I wish I had your brains. 我希望我有你那样的头脑。(事实:我根本比不上你)

2、表示与过去事实相反的愿望,谓语动词:had+done 例如:

I wish I had knownthe truth of the matter. 我希望我那时就知道这件事情的真相。(事实:那时还不知道)

3、表示将来难以实现的愿望,谓语动词:should/would(情态动词)+ 动词原形

I wish I should havea chance again. 我希望我还能有一次这样的机会。(事实:很难再有这样的机会了)

常见考法

对于虚拟语气的考查,在单项和完形填空中出现的较多,在阅读理解中,也常会出现虚拟语气的句子。我们掌握了虚拟语气的用法,会帮助我们更好的理解短文。

典型例题:Mary is ill today. If she _____,she ____ absent from school.

A. were not ill,wouldn't be

B. had been ill,wouldn't have been

C. had been ill,should have been

D. hadn't been ill,could be

解析:题干的意思是“ Mary今天病了,如果她没生病,今天她就会去上学了”。因为第一句说,Mary今天病了,所以本题考查的是与现在情况相反的事情,因之,主句用would、should、could+动词原型,从句用一般过去时。

答案:A

误区提醒

1、在学习虚拟语气的时候,要对过去、现在、将来的虚拟的做出正确的判断。

2、一定要记住,虚拟语气的条件从句的谓语用过去式,动词be要用were。

典型例题:I ________ him the answer ________ possible,but I was so busy then.

A. could tell,if it had been

B. must have told,were it

C. should have told,had it been

D. should have told,should it be

解析:先分开看此题,由于设空处在主句,所以先看主句,因为由主句看不出题目所表达的具体时间,所以再看从句,此从句是由but引导的转折句,所表达的时态是一般过去时,意为“我那时很忙”,所以,主句发生的事情是与过去事情相反的事情,因之,主句用could、should、would+动词原形,从句用过去完成时。

答案:C

虚拟语气知识点总结和练习

虚拟语气语法总结 虚拟语气主要指的的是带有非真实条件状语从句的复合句,表达的是说话人的遗憾后悔的语气,愿望以及建议,命令,要求等等的情感,往往说的是与事实相反或者没办法实现改变的东西。虚拟语气主要表现为在对过去现在或者将来的情况做出假设后,有可能出现的情况。 虚拟语气的内容主要有三大模块 1.虚拟条件句 第一模块就是涉及到条件从句部分的内容。这一部分的虚拟语气主要体现在三个方面:基本用法,各自为政,以及含蓄之美。 下表就是条件从句虚拟语气的基本用法: 通常,在上面表格里反映的是非真实条件句的虚拟语气模式,从句和主句的谓语动词时间是一致的,如果两者时间不一致,此时就是混合型虚拟语气。混合型虚拟语气的使用要求“各自为政”,即从句和主句根据各自假设的时间不同,采用上面表格中对应的的谓语动词形式。 如何“各自为政”呢?这就像是数学里的排列组合,一边有三种情况,交叉一搭配就出现了好多种情况。不管怎样,我们要遵循一个原则,就是“各自为政”。例如,从句是对过去情况的假设,而主句则是对现在情况的假设,那我们在使用时,从句就用过去完成式,而主句要用would/could do的形式。当然,也不是所有的AB配就是合理的,有时候在具体语境下,会出现矛盾的情况,这时我们就要结合要表达的意思来判断他们是对什么情况的假设,选择合适的形式。一般而言,主句的假设时间会发生在从句的假设时间之后。因为是有这么一个条件才会出现主句的现状。因此在此类的完成句子练习中,我们要特别提醒注意时间状语的暗示 1. If I had seen you, I would not be so worried now. (从句是对过去的假设,主句是对现在的假设)

初中英语语法大全

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形式,表示名词的单数,要在名词前加冠词a或an。 This is a desk . 这是一张书桌。 There is an orange on the table . 桌上有一个橘子。 an orange 一个橘子 an new orange (×)→ a new orange (○) 一个新橘子 a desk a old desk (×)→ an old desk (○) 一张旧课桌 关键字:初中英语语法大全初中英语语法总结初中英语语法辅导英语语法大全名词复数名词所有格复数冠词抽象名词 a和an的使用区别 a加在以辅音开头的名词前,如a book,a pen。 an加在以元音开头的名词前,如an egg,an apple。 注意 有时a,an后面紧接的不是单数名词,而是a (an) +形容词+单数名词的形式。 这时判断用a还是an来表示“一个”的概念时,要看形容词开头字母的发音,而不是看名词。 2.复数

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我们正在上英语课。 3、现在完成时 表示动作发生在过去,完成在过去,但强调与现在情况仍有联系,其结果或影响仍存在。 They have lived in Beijing for five years. 他们在北京已经住了5年了。 4.一般过去时 表在过去某个特定时间发生且完成的动作,或过去习惯性动作,不强调对现在的影响,只说明过去。常跟明确的过去时间连用,如:yesterday; last week; in 1945, at that time; once; during the war; before; a few days ago; He used to smoke a lot. 他过去抽烟比较厉害。 5. 过去进行时 表示过去某个时间点或某段时间内正在发生的动作。 Beijing was hosting the 29th Olympic Games in August 2008. 在2008年8月,北京正在举行29届奥运会。 6. 过去完成时 表示过去某个时间之前已经完成的动作,即过去完成时的动作发生在“过去的过去”,句中有明显的参照动作或时间状语,这种时态从来不孤立使用( before, after, by, up till ) They finished earlier than we had expected. 他们提前完成了(工作)。 7. 一般将来时 表在将来某个时间会发生的动作或情况。常和tomorrow, next year, in 2008等表示将来的时间状语连用。 I am leaving for Beijing tomorrow. 我明天就要离开北京。 8、将来进行时 表将来某个时间正在发生的动作,或按计划一定会发生的事情。 I’ll be doing my homework this time tomorrow. 明天这会我正在写作业。 9、将来完成时 表在将来某时刻之前业已完成的事情,时间状语非常明显。常用的时间状语一般用by+将来的时间。如:by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引导的副词从句。 By the end of next month, he will have traveled 1000 miles on foot. 到下个月底,他步行将达到1000英里。 英语共有十六个时态、四个体。(注:四个体为——一般、进行、完成、完成进行。) 英语中的四个体相当于法语、西班牙语以及所有印欧语系罗曼语族中的式,如:直陈式,命令式等。

英语虚拟语气语法归纳总结

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初中英语语法专项练习——虚拟语气(2)

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【英语】虚拟语气知识点总结和题型总结

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可用虚拟语气的用法总结

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