高中英语语法 动词的语气

2024-05-01

高中英语语法 动词的语气(共8篇)

篇1:高中英语语法 动词的语气

第四章 动词的语气

一.概念

语气有三种:陈述语气,祈使语气和虚拟语气.语气表示说话人对劝词所示示的动作或所处的状态持有的态度或看法.二.相关知识点精讲

1.辨别if 引导真实条件句和if引导的虚拟条件句的区别

If he has time, he will go with us.= Probably he has time and will go with us.If he had time, he would go with us.=But in fact he has no time.2.虚拟条件句中主句和从句的谓与动词构成形式如下表

if条件句中的谓与动词 主句的谓与动词

与现在的事实相反

1.行为动词用did 形式

2.be动词用were should

would

could + 动词原形

might

与过去的事实相反

had + done should

would

could + have + done

might

与将来的事实相反 1.行为动词用did

2.should + 动词原形

3.were to + 动词原形 should

would

could + 动词原形

might

3.混合时间的虚拟语气

如果条件句中的动作和主句的动作不是同时发生,主句和从句的谓语动词的形式应分别根据各自所表示的时间加以调整。

1)0If I had received the passport yesterday, I would start today.2)If he had telephoned me last night, I would see him now.3)If he had followed the doctor’s advice, he would be all right now.4)If China had not been liberated, the working people would still be leading a miserable life.4.should/ could / might/ ought to + have done 表示“过去本应该/可以做而实际上却没做” needn’t have done 表示“过去没必要作而实际上做了”

5.虚拟语气中的倒装句

如果虚拟语气的条件从句谓语动词中含有were, had, could, should,有时可将if省去,而将条件从句的主语置于were, had, should, could 之后。

Had you invited us, we would have come to your party.Were I you, I would do more practice after class.Could she lend us a helping hand, she would do so.6.wish 后面的宾语从句的谓语动词应使用虚拟语气,表示“可惜…;….就好了; 悔不该…; 但愿…。” 主句谓语 从句谓语

wish 时态 谓语动词的形式

现在时

表示与wish同时发生 动词用过去时

be动词用were

过去时

表示在wish之前发生的动作 动词用had done

be用had been

将来时

表示在wish之后发生的动作 动词用would do;should do

be 用 would be;should be

1)I wish I knew the key to the answer.2)I wish I were ten years younger.3)I wish that I had gone to the football match last week.4)I wish that you had been here yesterday.5)He wishes that we would visit the old school.7.表示命令或建议动词suggest, insist, propose, desire, demand, request, order, command 后的宾语从句中应使用虚拟 should +动词原形; should 不可用would 来替代;主句所使用的动词时态不限。

8.suggest 为“建议去做…;命令…”从句用should + do

为“ 说明; 暗示”, 从句用过去时或过去完成时。

1)The doctor suggested that I should take the medicine three times a day.2)The doctor suggested that my grandmother had caught a bad cold.9.insist “坚持要去做…,坚持应该去做”,从句用should + do为“坚持表明,坚持说/解释”,从句用过去时或过去完成时。

10.虚拟语气也用于表语从句和主语从句中,表示间接的命令、要求、请求、建议、决定等,主句的主语通常是suggestion, proposal, request, order, idea 等。表语从句中的谓语动词是should +动词原型,should 可以省略。

11.在主语从句中,当从句用来表示惊奇、不相信、惋惜等,从句的谓语动词用需拟语气形式。其谓语动词时should + 动词原型,或should 省略。

三.巩固练习

1.If there were no subjunctive mood, English _________ much easier.A.will be B.would have been

C.could have been D.would be

2.If I _____ you, I’d join the army.A.am B.was C.were D.would be

3.If he _______ tomorrow, he would find Mr Wang in the office.A.comes B.will come C.should come D.come

4.If it _______ next week , the crops would be saved.A.rains B.will rains C.would rain D.should rain

5.If I _______ it, I would do it in a different way.A.were to do B.do C.had done D.was to do

6.Supposing the weather ________ bad, where would you go ?

A.is B.will be C.were D.be

7.If he had worked harder, he _________.A.would succeed B.had succeeded

C.should succeed D.would have succeeded

8.If he ________, he _________ that food.A.was warned;would not take

B.had been warned;would not have taken

C.would be warned;had not taken

D.would have been warned;had not taken

9.If my lawyer _________ here last Saturday, he _______ me from going.A.had been;would have prevented

B.had been;would prevent

C.were;would prevent

D.were;would have prevented

10.If he ______ it, he _______ it.A.had seen;could have believed B.saw;couldn’t believe

C.saw;couldn’t have believed D.has seen;had believed

11.—Do you think the thief entered through the window?

—No, if he had, I don’t believe, _______ broken the living-room’s window.A.he would have B.he must have

C.he had D.should he have

12.—Did you go swimming last Sunday?

—No.We would have gone ______ nicer.A.if the weather was

B.would the weather have been

C.had the weather been

D.should the weather be

13.______ it ______ for your help, I couldn’t have made any progress.A.Had;not been B.Should;not been

C.Did;not been D.Not;been您正在阅读的文章来自2xxyy.com

14._______ today, he would get there by Friday.A.Would have left B.Was he leaving

C.Were he to leave D.If he leaves

15.It is ordered that a new bridge ______ over the wide river.A.should be built B.would built

C.will be built D.built

四.答案

1.D 2.C 3.C 4.D 5.A 6.C 7.D 8.B 9.A 10.A 11.D 12.C 13.A 14.C 15.A

篇2:高中英语语法 动词的语气

一、一般疑问句中几个情态动词的问与答

1. Need I/he/…?

Yes,you/he/…must.(不用need)

2. Must I/ he/…?

No,you/ he/…needn’t/don’t(doesn’t,won’t)have to.(不用mustn’t)

3. May I/ he/…?

No,you/ he/…mustn’t.(少用may not)

4. Could(Can)you…?

Yes,I can (不用could)

5. Shall I/she/ he…?

No,you(she,he)needn’t/can’t/mustn’t

二、情态动词表“推测”

1.can,may,must使用的句式:

1)肯定陈述句中:must表“肯定、必定、一定”意,may/might表“也许,或许”意。

2)否定陈述句中:can’t/couldn’t表“不可能”意,may not/might not表“也许不、可能不”意。

3)疑问句中:只能用can或could,不能用must,may或might。

注意:表推测的could,might并不是指过去时间,而是表示比can,may把握性略小些的情况。

2.对目前状态的推测:

1)must/may/might/can/could+be+表语

例如:She must be a teacher.她肯定是老师。She can’t/couldn’t be a doctor.她肯定不是医生。 He may not/might not be a doctor.他可能不是医生。

2)must/may/might/can/could+一些不能用于进行时的静态动词(如:have,exist,live,like,hate,own,belong to等)

例如:She must have her own car,for she has a lot of money.

That kind of bird may live in the valleys.

3.对目前正在发生的事情进行推测:

句式:must/may/might/can/could+be doing

例如:They must be waiting for us.他们肯定正在等我们。

She may/might be doing her homework.她可能正在做作业。

Can/Could he be playing football?他会正在踢足球吗?

4.对已发生的事情进行推测:

句式:must/may/might/can/could+have done

例如:There’s no lignt in the room. They must have gone to bed./She knows nothing about the film. She can’t/couldn’t have seen it./Can/Could he have been a doctor?/He may/might(not)have been a teacher./They must have been watching TV at nine last night./Can/Could she have stayed in Beijing last year?

注意:will have done句式也可表“肯定/可能已经…”推测意。

例如:He will have learned advanced mathematics,for he knows a lot about it. 他肯定/可能学过高等数学,因为他对此懂得很多。

三、“情态动词+have done”用法

1.should/ought to +have done,意“本应该…”,含有责备或后悔意。

例如:You should have come here a little earlier./I ought to have sent him to school./

2.shouldn’t/oughtn’t to+have done,意“本不应该”,含有责备或后悔意。

例如:You shouldn’t have watered the flower./I oughtn’t to have scolded her for such a small thing.

3.might have done,意“过去可能做”;could have done意“本能够做”,两者都含有委婉批评或遗憾之意,也可表对过去情况的推测。

例如:He might have gone to Nanjing with Professor Wang.last week,but he was ill.上星期他本可以和王教授一起去南京的,可他病了。We could have finished the work ahead of time.我们本来是能够提前完成工作的。

四、情态动词在反意疑问句中的用法

1.“肯定祈使句+附加问句”结构,附加问句常用will/would/won’t you形式。

例如:Stand still,will/would/won’t you?

2.“否定祈使句+附加问句”结构,附加问句常用will/would you形式。

例如:Don’t watch TV,will/would you?

3.Let’s…,shall we? ; Let us…,will/won’t you?

4.含有must句子的反意问句

1)must表示“必须”时,附加部分常用needn’t,也可用mustn’t.例如:He must go with you,needn’t/mustn’t he?

2)mustn’t表“一定不能”时,附加部分用may.例如:She mustn’t leave,may she?

3)must表“一定、想必”推测意时,附加部分主要有下列几种形式:

A.He must be an engineer,isn’t he?They must be writing now,aren’t they?(这类句子问句前部分含“must be…”或“must be doing…”。)

B.She must have a car/live there, doesn’t she?

C.He must have seen the film,hasn’t he?(这类句子问句前部分的谓语为must have done,句子无具体过去时间状语。)

D.He must have seen the film last week,didn’t he?(这类句子问句前面部分的谓语为must have done,句子有具体过去时间状语。)

E.Mother must have been shopping then,wasn’t she?(前面部分谓语为must have been doing。)

5.含有may表推测的句子,其反意问句形式与must表推测的反意问句形式相似。

例如:She may have finished her homework,hasn’t she?

五、几组词语辨析

1.must与have to:must强调说话者的主观看法,have to强调客观需要,表示“不必”意要用needn’t或don’t/didn’t/won’t have to,不能用mustn’t。

2.can/could与be able to:can多用于现在时,也可用于将来时,could只用于过去时,be able to可用于各种时态。表示“过去经过努力而做成(或没做成)”要用was/were(not) able to ,而不用could(not)。例如:He worked hard,but he wasn’t able to pass the exam.

3.will,would,used to:都可表“习惯”意。①will表示不受时间限制的习惯性动作。如:Fish will die out of water./ She’ll sit for hours without saying anything.

②would表示过去习惯性的动作,但不涉及与现在情况的对比。如:He would walk by the river in the morning.注意:would后不能跟表状态动词。例如不能说He would be late for school last year. ③used to表示过去习惯性的动作或状态,但这种习惯现在已不存在了。如:He used to get up early. He used to be late for school.

4.dare与need

六、虚拟语气在if引导的条件句的用法

1)与现在事实相反的结构:

2)与过去事实相反的结构:

3)与将来事实相反的结构:

**当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时,动词的形式要根据它所表示的时间来调整。例如:

If you had worked hard, you would be very tired.

(从句说的是过去,主句指的是现在.)

5以上句型可以转换成下列形式:

**省略if,用“were, have, should +主语”. 例如:

Were I in school again, I would work harder.

Had you been here earlier, you would have seen him.

Should there be a meeting tomorrow, I would come.

**用介词短语代替条件状语从句:but forwithout.例如:

Without air, there would be on living things.

But for your help, I couldn’t have done it.

七、虚拟语气在名词性从句中的用法

1.“wish +宾语从句”表示不能实现的愿望,汉语可译为“可惜……”. “……就好了”, “悔不该……”, “但愿……”等.

表示现在不能实现的愿望,从句的谓语动词用过去式;表示将来不能实现的愿望用“would(could) +动词原形”;表示过去不能实现的愿望时用“had +过去分词”或“(could)would +have +过去分词”.例如:

I wish it were spring all the year round.

I wish you could go with us.

We wish we had arrived there two hours earlier.

2.虚拟语气在动词一个坚持(insist);两个命令(order,demand);三个建议(advise,suggest,propose);四项要求(demand,require,request,ask),等后面的宾语从句中用“(should)+动词原形”.例如:

We suggested that we (should) have a meeting.

We insisted that they (should) go with us.

The doctor ordered that she (should) stay in bed for a few days.

He demanded that we (should) start right away.

**注意:insist作“力言”, “强调”解时,宾语从句不用虚拟语气,只有当insist作 “坚持(认为)”, “坚持(应该)”解时宾语从句才用虚拟语气.例如:

Mike insisted that he had never stolen anything.

又如suggest

3.虚拟语气用于表语从句、同位语从句

作advice, idea, order, demand, plan, proposal, suggestion, request等名词的表语从句和同位语从句,其谓语动词要用虚拟语气的结构“(should)+动词原形”.例如:

We all agreed to his suggestion that we (should) go to Beijing for

sightseeing.

My idea is that we (should) exercises first.

4.虚拟语气在 as if(as though)中,引导的表语从句或状语从句中的应用.

如果从句表示的动作发生在过去,用过去完成时,指现在状况,则用过去时,指将来则用过去将来时.例如:

He looked as if he were an artist.

He speaks English so fluently as if he had studied English in England.

Even if he were here,he could not solve the problem.

5.虚拟语气用于主语从句.

在主语从句中,谓语动词的虚拟语气结构用“ should 十动词原形”的结构,表示惊奇、不相信、惋惜、理应如此等.例如:

It is necessary( important,natural,strange,etc) that … we should clean

the room every day.

It was a pity ( a shame,no wonder,etc) that you should be so careless.

It will be desired( suggested,decided,ordered,requested,proposed,etc)

that she should finish her homework this afternoon.

在上述三种主语从句中,should意为“应该”,“竟然”,可以省去,但不可换用would.主句所用动词的时态不限.

注意:这种从句表示的是事实.如果说话人对这种事实表现出惊奇的情感,就可用虚拟语气.反之,如果不表示惊奇等情感,that从句也可用陈述语气,例如:

It is a strange that he did not come yesterday.

It is a pity that you can’t swim.

八.几种常见的其他虚拟语气结构

1.虚拟语气用于定语从句

这种从句常用在 It is( high) time( that)…句型中,定语从句的谓语动词用过去式,或 should十动词原形( should不能省略,be用 were)来表示,意为“(现在)该……”。例如:

It is ( high) time we left (should leave).

lt is high time we were going.

2.虚拟语气用于 if only引导的感叹句中,用法同.wish

If only I had taken his advice.

我要是听他的话就好了.

If only I were a bird.我如果是一只鸟就好了.

3.虚拟语气在简单句中的应用

l)情态动词的过去式用于现在时态时,表示说话人谦虚、客气、有礼貌或语气委婉,常出现在日常会话中,例如:

It would be better for you not to stay up too late.

Would you be kind enough to open the door?

2)用于一些习惯表达法中,例如:

Would you like a cup of tea?

I would rather not tell you. You had better go now.

3)用“ may 十动词原形”表示“祝愿”、“但愿”. may须置于句首,例如:May you be happy! May you succeed!

4.would rather-----

篇3:高中英语语法 动词的语气

陶行知先生说:“教学艺术在于设法引起学生兴趣。”布鲁姆认为:“成功的外语课堂教学应当在课内创设更多情境, 让学生有机会运用已学到的语言材料。”在课内创设情境, 也就是指在教学过程中, 根据教学内容, 围绕教学目标, 从教学实际需要出发, 引入或创设与教学内容相适应的具体场景和氛围, 调动学生积极的学习情绪, 促使学生积极参与到教学过程中, 激发情感体验, 从而感知、理解、学习和运用语言。

语法教学大体可以分为呈现 (presentation) 、操练 (practice) 和运用 (product) 三个阶段。在这三个阶段如何创设有效情境让学生掌握所学语法呢?笔者以“虚拟语气用于if条件句”这一语法现象为例。

一、呈现阶段, 在情境中感知

音乐无国界, 学生们喜爱英文歌曲。创设教学情境可选用合适的英文歌曲。播放英文歌曲, 创设音乐情境, 不仅能激发学生学习兴趣, 还能导入新课。上课时, 教师先让学生听Be Yonce演唱的《If I were a boy》歌曲。学生们被Be Yonce的歌声所吸引, 听完后感觉震撼。

接下来, 教师提问:Is the singer a lady?学生回答:Yes, she is a lady.教师顺势引导:You know the singer is a lady.But she sings:If I were a boy, I would roll out of bed in the morning.So when we talk about a fact, we use“If I am…, I will…”.But when we talk about imagine situation, we use“If I were…, I would…”.This is what we call Subjunctive Mood.

最后, 通过观察歌曲中的歌词, 在教师的启发、引导下, 学生得出以下结论:Subjunctive Mood is not a fact, but the speakers’wishes, guesses, hypotheses and suggestions.It is often used in if-clauses.这些语言与问题情境相结合的方式, 让学生有针对地认知了语言形式, 提高了学生对语言的感知效果。

二、归纳阶段, 在情境中学习

在教师创设的情境中“June is graduation season”, 通过两组不同人群 (在校生和毕业生) 的不同感悟。

If I were a high school graduate, I would be happy.

If time could be turned back, I would be happy.

接着, 教师创设“June is not only graduation season, but also a time for regrets.”情境

If I had followed my teachers’advice, I would have worked harder.

If I had worked harder, I would have done more exercises.

If I had done more exercises, I might have done well in the College Entrance Exam.

然后, 创设“The high school graduate wishes something.”情境。

If I were to meet my teachers, I would say“Thank you!”for your work.

If I had another chance in high school, I could worked harder.

If I should say something to Senior Two students, I might say“Value everyday.”

在教师不断创设的情境中, 学生感知了大量虚拟语气用于if从句的现象, 对其构成有一定的感性认识。同时, 教师把这些例句呈出出来, 并把从句、主句的动词标注出来。最后, 引导学生归纳出如下图表:

通过创设不同的教学情境, 引导学生探究性学习, 充分调动了学生的积极性和主动性, 启发学生独立思考, 培养学生独立分析问题的能力。教师启发、引导下学生的归纳, 改变了学习方式, 学生不再是被动接受知识, 而是主动参与, 乐于探究。

三、巩固阶段, 在情境中运用

中国教育学会外语教学专业委员会理事长龚亚夫曾在答记者问时说过:语言技能形成和发展的关键环节在于大量的语言实践。这表明要让学生有大量的机会进行语言实践。因此, 在巩固阶段, 教师应创设不同情境, 设计不同教学活动来帮助学生在运用中掌握语法。先是设计语言形式层面的练习, 见下:

My regret and wish

I regret punishing one of my students last week because he didn’t hand in his homework in time.If time could be turned back, I would have listened to his explanation.If I had listened to his explanation, I would not have punished him.If I were to punish a student in the future, I would calm down and listen to his explanation.

这是从“毕业生的遗憾与祝愿”过渡到“教师 (我) 的遗憾与祝愿”情境, 学生们感兴趣。通过主从句动词的填空, 强化学生对虚拟语气在if从句用法的认识。

接着, 让学生观看一段名为“If time could be turned back”视频。视频中, 在《时间都去哪儿啦》背景音乐中, 演绎了一个小男孩成长成了一个小伙子。小时候, 与父母分享每一次的进步与成功。后来, 工作了, 忙得连春节都没办法回家与父母一起过春节。直到得知母亲病重的那一天, 当他赶回家时, 母亲已走了, 永远离开了。两行泪水刷地涌下来, 他泣不成声了。视频中震憾的画面, 加之伤感的音乐的煽情, 将真实的生活情境带进了语法教学课堂, 拉进了教学与现实生活的距离。学生主动参与到教学中。让学生在逼真的生活空间去领悟英语语言的魅力和语法知识的内涵。这时, 再让学生谈谈the man’s regrets and wishes, 提供给学生交际情境。让学生带着任务置身于运用语言的交际活动中, 感知、分析、理解、体验、感悟, 在运用中掌握语法。这正符合课标倡导的“学中用, 用中学, 学了就用”的思想。

最后, 让学生回忆他们的过去经历, 想想他们在过去的经历中有哪些他们遗憾的事和美好祝愿。并以“My regrets and wishes”为题写一篇短文。语言学习的目的是形成听、说、读、写四种技能的综合运用能力。听和读是理解的技能, 说和写是表达的技能。因此, 教师应让学生能用恰当运用if从句的虚拟的句子进行书面表达。

《英语课程标准》 (实验稿) 指出:此次英语课程改革的重点就是要改变英语课程过分重视语法和词汇知识的讲解与传授, 忽视对学生实际语言运用能力的培养的倾向, 强调课程从学生的学习兴趣、生活经验和认知水平出发, 倡导体验、实践、参与、合作与交流的学习方式和任务型的教学途径, 发展学生的综合语言运用能力, 使语言学习的过程成为学生形成积极的情感态度、主动思维和大胆实践, 提高跨文化意识和形成自主学习的过程。这要求教师们关注学生学习过程, 创设不同情境, 让学生在情境中学习语言, 学生能够获得语言输入, 并通过在情境中运用语言, 在语言输出中完成语法形式与功能的转换。

摘要:本文结合人教版高中英语模块6语法虚拟语气用于if从句的教学实例, 阐明情境创设在教学中的运用。旨在调动学生积极的学习情绪, 主动参与, 乐于探究。让学生带着任务置身于运用语言的交际活动中, 感知、分析、理解、体验、感悟, 在运用中掌握语法。

关键词:语法教学,情境创设,虚拟语气

参考文献

篇4:商务英语动词语气的用法

关键词:陈述语气;祈使语气;虚拟语气

无论汉语还是英语如果说话者采用不同的语气,那么他所要表达的意思也就不同。如果说话的人想要告诉别人一件事情或回答别人一个问题,也就是想要把句子里的行为作为现实的东西陈述出来,就要用陈述语气。说话的人想要别人做某件事情,使可能变成现实,他就可以通过命令、请求或劝告向对方提出,这时就需要用祈使语气。说话人想要对未来之事作一假设,就要用假设语气。

一、陈述语气

陈述语气所表达的意思可以通过英语动词不同的时态表现出来,陈述的行为或动作可能现在就存在于现实之中,或者过去在现实中存在过,或者将来要在现实中存在。例如:

1.This Exhibition Hall is composed of four sections.

这个展览厅由四部分构成。

2.The first Guanzhou Autumn Fair was held in 1957.

1957年举办了第一届秋季广交会。

3.We will place with you an order for rock phosphate for the second hail of 2000.

我们将向你方订购2000年下半年的磷酸盐。

如果说话的人对行为的对象比对行为的实行者更感兴趣时,陈述语气也可以使用被动语态。例如:

1.I was much impressed by your showroom.

你们的展览室给我留下了深刻的印象。

2.Large sums of money are released on submission of specified documents.

大笔资金的划拨是以提交规定的单据为基础的。

二、祈使语气

说话的人认为这句话的内容虽未成为现实,但可以通过命令、请求、劝告等方法使其变为现实,这时才用祈使语气。如果句子中主语是第二人称(你或你们),则主语省略,谓语动词用原形。例如:

1.Please show me some samples.

请给我看一些样品。

2.Be sure to deliver the goos before Aril 15.

要保证4月15日之前发货。

如果谓语动词是第一、第三人称(我、我们、他、她、它、他们),则需用动词Let+宾语(这时主语已转化为Let的宾语)+不带to的不定式。例如:

1.Let's both make a further concession.

让我们双方都做出进一步的让步。

2.Let's sit down and talk about the terms of payment.

让我们坐下来谈论一下付款条件。

祈使语气的否定形式由do not +不定式,或Let's后加not构成。

三、谓语动词假设语气

1.真实条件句。英语句子结构是if+从句(一般现在时)+主句(will +动词原形),这类由if 引导的条件状语从句表达肯定语气,是对于未来之事的假设,并且假设是可能实现的。例如:

If we have further requirements,we'll place an order with you for the second half of 2010.

如果我们有进一步的需要的话,会向贵方订购2010年下半年的货。

全句的含义是:如果我们有进一步的需要的话,会向贵方订购的(而且很有可能有进一步需要),所以这是一种具有真实条件的肯定语气。

2.虚拟语气。表示主观愿望和假想虚拟的情况。句中的假设是与事实相反的假设。它可分为现在、过去、将来三种与事实相反的假设。不同的假设,谓语动词所用的时态形式有所不同,所表达的含义也是不同的。

(1)与现在事实相反的假设。虚拟条件句用过去时,be 的过去时一律用were;主句用would(就、会),should(就、应),could(能、会),或might(也许、可能)+动词原形,这种句子实际上是表达了一种否定语气。如:

a. If we had further requirements,we would place an order with you for the second half of 2008.

如果我们有进一步的需要的话,会向贵方订购2010年下半年的货。

b. There is a gap of only US$2,if we can meet each other in halfway,we'll soon come to term.

差价仅仅2美元,如能两家平分,则可马上成交。

c. If I could,I would.

我能这样做的话,我就做了。

(2)与过去事实相反的假设。虚拟条件句用过去完成时,主句用would(就、会),should(就、应),could(能、会),或might(也许、可能)+have+过去分词。这种虚拟语气是表示过去情况的,是一种与事实完全相反的假设。例如:

a. If you had filed the claim within the claim period,we would have entertained it.

如果贵方在索赔期内提赔的话,我们就受理了。

全句的含义是:因为贵方没有在索赔期内提赔,所以我们不受理。

b. If we had not taken into consideration the friendly business relations between us,we would not have offered you such a low price.

要不是考虑到我们双方的友好贸易关系,我们就不会向你报这么低的价。

全句的含义是:正是考虑到我们双方的友好贸易关系,我们才向你报这么低的价。

(3)与将来实现性不大的假设。虚拟条件句用should或were to(万一、能)+动词原形;主句用would(就、会),should(就、应),could(能、会),或might(也许、可能)+动词原形。例如:

a. If the quality of the goods should be found not in conformity with the contractual stipulation,we would reserve the right to file a claim against you.

如若发现货物质量不符合合同规定,我们保留向贵方提赔的权利。

b. Should there be a flood,the factory would suspend the production and we would be unable to effect the delivery.

萬一发生水灾,工厂就无法生产,我们也不能交货。

以上两句表示这种情况实现性很小(但不是完全没有),而且说话人在做这种假设时,一般不希望这种情况发生,或者认为这种情况发生的可能性很小。

四、虚拟语气助词的省略

虚拟语气中虚拟条件句的谓语动词部分,有的包含一个助动词were,had或should,在这种情况下,可把if省略,而把助动词were,had或should移到主语的前面。这两种不同结构的虚拟条件句所表达的意思完全相同,后者在口语中很少用,但在商务英语信函中却经常使用。

1. 用于与现在事实相反的虚拟条件句的复合句中,例如:

a. If we had further requirements,we would place an order with you for the second half of 1990.

b. Had we further requirements,we would place an order with you for the second half of 1990.

如果我们有进一步需要的话,会向贵方订购1990年下半年的货。

2. 用于与过去事实相反的虚拟条件句的复合句中,例如:

a. If we had not taken into consideration the friendly business relations between us,we would not have offered you such a low price.

b. Had not we taken into consideration the friendly business relations between us,we would not have offered you such a low price.

要不是考慮到我们双方的友好贸易关系,我们就不会向你报这么低的价格。

3. 用在与将来实现性不大的虚拟条件句的复合句中,例如:

a. If there should be a flood,the factory would suspend the production and we would be unable to effect the delivery.

b. Should there be a flood,the factory would suspend the production and we would be unable to effect the delivery.

万一发生水灾,工厂就无法生产,我们也不能交货。

4. 用在与将来实现性小得等于零的虚拟条件句的复合句中,例如:

a. If I were to be you,I would be able to sell at such price.

b. Were I to be you,I would be able to sell at such a price.

如果我是你,我将按这个价钱卖。

参考文献:

[1]张道真,温志达.实用英语语法[M].北京:外语教学与研究出版社,1998.

篇5:英语虚拟语气的语法

if 从句:①should/shall do

②were to do

篇6:英语语法虚拟语气在从句中的使用

在It is (high, about)time(that)…句型中,that引导的定语从句中的谓语常用一般过去时来构成虚拟语气。

例:It’s about time that we put an end to this controversy.

现在该是我们停止这场争论的时候了。

例:It is time we went to bed.

我们该去睡觉了。

二、虚拟语气用于if only 引导的从句中

在if only引导的从句中,谓语动词须采用虚拟语气,其用法与wish后宾语从句的用法基本相同,表示“但愿”,“要是…就好了”的意思。

例:If only I knew what you wanted.

要是我知道你需要什么就好了。

例:If only he had arrived in time,he would not have been punished.

他要是准时到达就好了。

经典练习:

1、It’s already six o’clock now. Don’t you think it’s about time____?

A)we are going home

B)we go home

C)we went home

D)we can go home

2、If only the committee____the regulations and put them into effect as soon as possible.

A)approve

B)will approve

C)can approve

D)would approve

3、It’s necessary____the dictionary immediately.

A)that he will return

B)that he returned

C)that he return

D)that he has to return

4、She must have had an accident, or he____then.

A)would have been here

B)had to be here

C)should be here

D)would be here

5、I apologize if I ____you, but I assure you it was unintentional.

A)offended

B)had offended

C)should have offended

D)might have offended

解析:

1、答案选C)。在it’s about time that…..句型中,定语从句的谓语动词应用过去时来表示虚拟语气。所以C项是正确的。

2、答案选D)。if only表示一种愿望,谓语用“would+动词原形”表示对将来事实的愿望,所以D是正确的。

3、答案选C)。在由it is necessary 等引导的主语从句要使用虚拟语气,虚拟语气的谓语动词用“should+动词原形”或动词原形。

4、答案选A)。由or引出的是与事实相反的假设条件,因此空缺处应填入表示虚拟语气的谓语动词。前一个分句中表示的是过去的时间,所以后一分句要用would have done的形式。所以A是正确的。

篇7:高中英语语法 动词的语气

江苏省高邮市第一中学英语组 居树君 【摘 要】 随着新课改的不断深入,高二英语语法中的虚拟语气成为单选题中占分比较多的题型,这就面临着如何学好虚拟语气的问题。本文阐述虚拟语气在英语教学中的重要性,简析了高中虚拟语气教与学中存在的问题,探讨针对高中生如何掌握好虚拟语气的方法,在指出传统教学误区的同时,结合自己的实践,在吸收先进的教学方法的同时,提出几种可行的教学方法,提高学生学习虚拟语气的能力,为学生学好英语打下坚实的基础。【关键词】英语 虚拟语气 教学

众所周知,虚拟语气既是高中英语教学的重点,又是一大难点,很多学生经常对它的用法感到困惑。语法教学是高中生学好英语的前提和基础,对学生来说,学好虚拟语气是进步提高英语语法学习的前提和保障,作为一个教学工作者,如何有效地进行虚拟语气教学,将直接影响到学生是否真正理解和掌握英语,能否在考试中取得好的成绩以及切实有效地运用英语。

一. 虚拟语气的定义及应用

虚拟语气是指与事实相反,不可能或想象的情况或假设。

(一).虚拟语气在if引导的非真实条件句中的应用 动词形式/时间 从句 主句

与现在事实相反

动词过去式(be的过去式一般用were)would(could/should/might)+动词原形 与过去事实相反 be+动词过去分词

would(could/should/might)+have+过去分词 与将来事实可能相反

动词过去式;should/were to+动词原形 would(could/should/might)+动词原形

【注意】主句中的should只用于第一人称,would/could/might可用于所有人称 1.表示与现在事实相反的虚拟语气 如果我们有足够的钱,我们就去买一台电脑。2.表示与过去事实相反的虚拟语气

if i had known your telephone number yesterday, i should have telephoned you.如果我昨天知道了你的电话号码,我就会给你打电话了。3.表示与将来事实相反的虚拟语气

if it should rain, the crops would be saved.假如天下雨,庄稼可能就有收获了。【注意】(1)条件句中有were, had, should时,可把if省略,而把were, had, should放在主语前,构成到状结构。

(2)若非真实条件句为否定句,否定词not不提前。

(3)“could have+过去分词”可用于if条件句中表示不真实的情况。二.虚拟语气在名词性从句中的应用 1.虚拟语气在主语从句中的应用

在“it is necessary(important,natural,strange,etc.that„和“it is desired(suggested,decided,ordered,requested,proposed,etc.)that„”句型中,从句谓语用“(should+)动词原形

it is necessary that i should return it right now.我有必要马上把它还回去。

it is required that the students(should)learn a foreign language.学生们被要求必须学一门外语。2.虚拟语气在宾语从句中的运用

(1)wish后的宾语从句用虚拟语气。若表示与现在事实相反的愿望,从句谓语用一般过去时;若表示与过去相反的愿望,从句谓语用过去完成时;若表示将来没有把握或不太可能实现的愿望,用“would/could/might+动词原形”。i wish i had a little lab of my own.但愿我有一间属于自己的实验室。要是你昨天来听报告就好了。would rather 后的句子用虚拟语气。通常一般过去时表示与现在或将来事实相反,用过去完成时表示与过去事实相反。

i would rather he came tomorrow than today.we suggest that students should spend two or three years in an english-speaking country.我建议学生们在一个说英语的国家呆上两三年。【注意】当insist作“坚持认为”,用以陈述一种情况,suggest作“暗示,表明”解时,宾语从句通常不用虚拟语气。

mike insisted that he had never stolen anything.迈克坚持说他没有偷任何东西。

3.虚拟语气在表语从句、同位语从句中的运用。

当 advice, order, demand, proposal, suggestion, request等名词后跟表语从句或同位语从句时,其谓语一般用“(should+)动词原形”。

his suggestion is that you should drink more water.三.在练习题型中学生常犯的错误 如:(2009.天津高考)this picture is of good quality.if it _b___break down within the first year, we would repair i at our expense.a.would b.should c.could d.might大多数学生容易选成a答案,这说明他们对虚拟语气的本质还没有把握清楚。

(2006.湖北高考)__b__fired, your health care and other benefits will not be immediately cut off.a.would you be b.should you be c.could you be d.might you be 这题很多学生容易把答案选成a 原因是他们不知道是对将来的虚拟,把if 省略了,should 给提到了句首,用了部分倒装句。这也是虚拟语气中的常考题型,往往被学生所忽视。四.解读虚拟语气

虚拟语气”中的“命令性虚拟语气”和“成语性虚拟语气”,再加上“were 型”虚拟语气。[1] §3116如下图所示:subjunctive present mandative formulaic were从属分句中的任何动词就都能用虚拟语气。[1] §3116如:(1)our decision is that the school remain closed.(2)it is necessary that every member inform himself of these rules.(3)there was a suggestion that brown be dropped from the team.(4)we ask that the individual citizen watch closely any developments in this matter.jespersen[5](p161)称: 在这种由that 引导的主语、宾语、表

语、同位语四种名词分句中, “祈使句被作为直接引语完整的保存下来, „讲话人觉得这里的be 型虚拟式是未经转变的指未来的祈使语气”。quirk 等[2] §14133也指出: 所有主要句子类型皆可变为间接引语, 而在转型后的间接祈使句中, 并无时态之后移。如果我们将这些命令性虚拟语气的深层语义和形式与祈使句作一对比, 便可发现二者有着十分密切的联系。如:(5)“do it right away.”i insistently said(to john).(6)i insisted that john do it right away.(7)“have another apple ,”caral suggested(to me).(8)caral suggested that i have another apple.例(5)、(7)属于隐主语型祈使句, 其主语是交际双方中的受话者you , 谓语动词为意指未来的一般现在时第二人称的形式。[6] quirk 等[2](p828)说过: “it is intuitively clear that the meaning of a directive implies that the omitted subject is the 2nd person pronoun you.”易仲良教授[4](p45)也撰文指出: 祈使句式 的主语无论隐没不现, 还是使用外现, 使用时不管是you 或是貌似第三人称的不定代词或名词词组, 都是受话者, 其谓语动词形式是限定动词现在时的第二人称形式。例(6)、(8)quirk等称之为命令性虚拟语气。而我们的看法

却不然。两例的that 分句中, 原例(5)、(7)祈使句被作为直接引语完整的保存了下来, 其主语表面上是第三人称john 和第一人称i, 而实际上仍然是交际双方中的受话者, 原祈使句之潜在主语you , 谓语动词保留了原祈使句谓语动词的形式, 即与第二人称you 相呼应的英语动词现在时态形式,[4]而不是quirk等所说的动词原形, 也不是did、had在转型后的间接祈使句中, 限定性动词并无时态之后移, 没有通常应有的一致性, 没有现在时和过去时之分。这样, 受话人可以从中感受来自现实发话人与原始发话人的双重声音, 从而较多的保留了话语原声状态下的祈使色彩。分析表明, quirk 等的be 型虚拟语气中的一类, 即“命令性虚拟语气”并没有它自身的标记性, 其谓语动词不是什么动词原形形式, 而是与祈使句谓语动词始终使用一般现在时第二人称的形式是一致的, 语义亦无二致, 都是要受话人作出某种行为的反应。易仲良教授[4](p48)将命令性虚拟语气称做间接祈使句。21成语性虚拟语气和心理祈使成语性虚拟语气(formulaic subjunctive)或曰祈求性虚拟语气是quirk等确认的现在虚拟语气的第二大类。他们认为这类虚拟语气也由原形(v)构成。但是, 这种成语性虚拟语气仅仅用在某些需要作为整体来学的成语性结构中[1] §3116用于某些感叹句表示愿望或希冀, 常常与超越自然力有关。如:(10)so be it then!(11)heaven forbid that „(12)suffice it to say that „(13)be that as it may, „ 试与祈使句作比较, 如:(14)god save the queen!(15)smith stand by me!quirk等把例(14)命之曰成语性虚拟语气, 它与祈使句例(15)的动词形式完全一致, 所引两例在深层语义上都是祈使某一对象做某事。祈使句例(15), 如前所述, 所祈使的对象“smith”表面上看是第三人称, 但实际上为现实语言交际中的受话人you , 其谓语动词是一般现在时第二人称的形式。[4](p45)关于祈使句中不定代词或名词短语作主语不是第三人称而是第二人称的观点jespersen [5](p148)早有论述: “any imperative is virtually in the second person , even if seemingly addressed to a third person.”poutsma[7](p200)在论述祈使句谓语动词时也曾说道: “the imperative , from the nature of its meaning, is used only in the present tense.”而例(14)所祈使的对象“god”在quirk 等看来, 也是第三人称, 但从话语的形成过程看, 句中“god”系发话人向彼岸世界之呼告, 我们不难读出其心理语言为彼岸的受话人you , 其谓语动词不是quirk等所说的动词原形形式, 而是与心理语言的受话人you 相呼应的现在时态形式。句中宾语“the queen”乃此岸世界受话人的称谓, 属现实语言第二人称, 寥寥几言, 发话人的思绪往返天人之际, 经历着内部语言向外部语言的转换, 却始终保持着面对面的交际, 表达一种发自内心的、祈求上帝保佑现实受话人的强烈愿望。[8]这里所谓的成语性虚拟语气实质上是心理祈使句。[4](p51)我们的论述在大家面前便展现了一幅be 型虚拟语气、祈使语气、陈述语气实为一体的图景:语气 主语 谓语

be 型虚拟语气 you v 祈使语气 you v 陈述语气第二人称 you v

quirk等的所谓be 型虚拟语气的二大类与祈使句的形式完全一致, 语义亦无二致: “be 型虚拟语气”的主语或明或隐都是受话人, 即第二人称you;其谓语动词与祈使句总是相同的, 我们称之为一般现在时态第二人称形式。[4](p51)quirk 等[2](p155)也指出: “these(mandative subjunctive and formulaic subjunctive)are realized , like the imperative , by the base form of the verb.”可是传统语法学家却将这三为一体的形式分别划分为三种不同的语气语法范畴: 陈述语气、祈使语气、虚拟语气。这种“同一范畴内的同形异意”有悖语言学关于语法范畴的基本观点。

31were 型虚拟语气和过去时态

quirk等的were 型虚拟语气是一种假设, 它用在条件分句、让步分句和前面是祈愿动词如wish 的从属分句中。这种虚拟语气只限于用were 这一种形式, 它出现在动词be的第一人称和第三人称单数现在时中。[1] §3116这样, quirk 等将传统的含过去时态的所谓虚拟语气, 不论是行为动词的-ed 形式, 还是be 动词的was , 还是情态助动词的过去式都归为或陈述语气范畴, 或祈使语气范畴, 或情态词范畴, 并非虚拟语气。同时quirk等[1] §11132还指明: “事实上, 对表达假设条件来说, 用陈述语气和虚拟语气都可以, 而在正式的书面英语中更多采用虚拟语气的形式。”可知, 陈述句也可以表达假设意义。我们知道“时”(tense)是个语法范畴, 它是表示时间区别的动词形式。[9](p160)“过去时”, 顾名思义, 当然表示过去时间。可是在语言实际操作中, 人们却被告知“时态”与“时间”本不一一对应, 过去时也可以表示现在时间或者将来时间, 即非过去时间。[10](p64)如:(16)i saw a film last night.(17)if he lived with us now we would be much happier.(18)i wondered if you could do that for me.lyons[11](p71836)沈家煊[14](p17-24)虚化的结果是进一步提高了were 的使用频率, 却降低了was的使用。由于were 的高使用率, quirk等将过去虚拟语气中的were 看作是普通的过去时形式,[1] §11132与be 动词以外的所有动词的过去时态采用不分人称和数的单一式是一

篇8:高中英语语法 动词的语气

一、现在分词

正因为现在分词一半是动词一半是名词, 所以现在分词具有动词、形容词或副词的特点。这类词可以用在以下类型的句子中。

(1) 部分谓语。现在分词可以用在动词的进行时中。He is re a d ing a book.

(2) 定语。如果现在分词作名词的修饰语, 一般是像形容词一样, 置于动词前。现在分词表示的动作是由它修饰的名词完成的, 或者表明被修饰语的状态。Look at the flying bird! (正在飞的鸟) 如果现在分词用作定语修饰“something”“anything”“nothing”等, 需后置。The book mentions something interesting. (一些有趣的事)

(3) 表语。现在分词在句中可以用作定语, 表示句子主语的状态或者特征。His report is convincing. (有说服力的)

(4) 状语。 (1) 时间状语:如果现在分词表示的动作与限定性动词表示的动作几乎同时发生, 就可以使用现在分词短语。Seeing Mr.Smith, we g re e te d him.如果现在分词表示的动作发生在限定性动词表示的动作以前, 我们用现在分词的完成时形式。Having finis he d our home work, we we nt to p la y b a s ke tb a ll. (2) 原因状语:Be ing a Pa rty me mb e r, he works ve ry ha rd. (3) 方式状语:He s tood the re, g a zing a t the b rig ht moon. (4) 结果状语:She hurrie d to s c hool, le a ving he r p urs e b e hind. (5) 目的状语:He g ot up ve ry e a rly this morning, hop ing to c a tc h the firs t b us.

(5) 宾语或主语的补足语。现在分词还可以跟在“see”“hear”“notice”“watch”“feel”和“find”这些动词的后面做宾语补足语或者主语补足语。a.I saw him crossing the street. (宾语补足语) b.He wa s s e e n c ros s ing the s tre e t. (主语补足语)

二、动名词

动名词是非限定性动词的一种。我们称其为动名词是因为它具有动词和名词的特征。动名词与其宾语或者其状语被称为“动名词短语”。

(1) 动名词或动名词短语在句中的作用。 (1) 主语:Smoking is not a llowe d in the offic e. (2) 谓语:动名词或动名词短语在句中可用作谓语, 含义与主语一致。His job is delivering newspapers. (3) 动词宾语:Hob's hair needs cutting. (4) 介词宾语:He was c ha rg e d with ne g le c ting d uty.

(2) 动名词的复杂结构。我们通常把物主代词或名词性物主代词放在动名词的前面来表示动名词的逻辑主语。It's no use your te lling me not to worry.

(3) 动名词的时态和语态。动名词有现在时和完成时两种时态, 主动和被动两种语态。 (1) 动名词的现在时表示的是一个普遍的动作或与限定性动词几乎同时发生的动作。We are all interested in c limb ing mounta ins. (2) 动名词的完成时表示的动作发生在限定性动词表示的动作以前。I regret not having taken the doctor's a d vic e. (3) 动名词在主动语态中表示主动动作。有时我们要用逻辑主语来更清晰地表达我们的意思。比较:a.I like staying here. (我喜欢呆在这) b.I like your staying here. (我喜欢你呆在这) (4) 如果逻辑主语是动名词所表示动作的宾语, 我们用动名词的被动语态。I took his dictionary away without being seen.

三、名词化的动名词

在语法术语中, 第三种“动词+ing”形式是指具有名词特征的名词化的动名词。它一般在句中用作主语、宾语或介词宾语。名词化的动名词具有以下特征:

(1) 名词化的动名词有复数形式。He paid no attention to the ir c oming s a nd g oing s.

(2) 冠词可以前置于名词化的动名词。A knocking at the door wa s he a rd.

(3) 形容词修饰名词化的动名词, 副词修饰现在分词和动名词。对比:a.The work needs careful planning. (形容词修饰名词化的动名词) b.The work needs planning carefully. (副词修饰动名词) c.I saw him planning carefully. (副词修饰现在分词)

(4) 名词化的动名词没有宾语。对比:a.The reading of the b ook is a g re a t e njoyme nt. (名词化的动名词用作主语) b.I like re a d ing b ooks ve ry muc h. (动名词+宾语用作动词“like”的宾语) c.I s a w him re a d ing a b ook in his room. (现在分词+宾语用作宾语补足语)

(5) 名词化的动名词没有时态或者语态。对比:a.He does s ome wa s hing e ve ry d a y.b.Afte r ha ving wa s he d the c lothe s he wa tc he d te le vis ion. (动名词的完成时用作介词“a fte r”的宾语)

参考文献

[1]潘欢怀.现代英语实用句法[M].北京:北京师范大学出版社, 1987.

[2]张道真.实用英语语法[M].北京:商务印书馆, 1979.

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