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考研英语语法精要 动名词
三、动名词
1.必须接动名词做宾语的动词
牢记下列要求接动名词做宾语的.动词:
acknowledge, advocate, anticipate, appreciate, advise, avoid, admit, confess, consider, defend, delay, deny, dislike, enjoy, escape, excuse, fancy, favor, finish, forgive, imagine, include, involve, justify, keep mind, miss, mention, pardon, practice, postpone, permit, report, resent, resume, recall,recollect,risk, resist, suggest, tolerate。如:
Although a teenager, Fred could resist being told what to do and what not to do.
I appreciate having been given the opportunity to study abroad two years ago.
2.动名词做介词短语
考生尤其要识别下列短语中的to是介词,不是不定式符号:
object to, resort to, react to, contribute to, look forward to, be accustomed to, be committed to, be exposed to, be subjected to, be devoted to, be dedicated to, be opposed to, be reconciled to, be contrary to, be (get) used to, come close to, get down to, give oneself up to, prefer…to, see to, set to, take to, in addition to, with regard to, with a view to, on the way to。如:
There was no sign that Mr. Jospin , who keeps a firm control on the party despite having resigned from leadership of it, would intervene personally.
Our modern civilization must not be thought of as having been created in a short period of time.
Nowhere in nature is aluminum found free, owing to its always being combined with other elements, most commonly with oxygen.
As the children become financially independent of the family, the emphasis on family financial security will shift from protection to saving for the retirement years.
Everyone with half an eye on the unemployment figures knew that the assertion about economic recovery being just around the corner was untrue.
大学网考研频道。考研英语语法精要 不定式
二、不定式
1.不定式做主语
(1)做形式主语的代词:
不定式做主语, 通常用it充当形式主语, 把做主语的不定式短语后置。 如:
It took me only five minutes to finish the job.
To be frank, it is a great relief to have the task fulfilled in so short a time.
(2)引导逻辑主语的介词:
不定式的逻辑主语一般由介词for引导,但下列表示人的性格行为特征的形容词做表语时, 不定式的逻辑主语则由of引导:
absurd, bold, brave, courageous, careful, careless, clever, wise, foolish, silly, stupid, good, nice, kind, thoughtful, considerate, greedy, generous, honest, modest, polite, rude, cruel, selfish, lazy, wicked, wrong。如:
Experts say walking is one of the best ways for a person to stay healthy.
It’s clever of you to have invented such a device.
(3)不定式做主语补足语:
掌握常用不定式做主语补足语的.句型。注意不定式表示的动作发生的时间,并采用相应形式。如:
said
reported
thought
be to do sth.
believed
known
supposed
Byron is said to have lived on vinegar and potatoes.
The bank is reported in the local newspaper to have been robbed in broad daylight yesterday.
2.不定式做宾语
(1)必须接不定式做宾语的动词:
掌握要求接不定式做宾语的动词:
agree, afford, aim, arrange, appear, ask, attempt, choose, claim, decide, desire, determine, expect, fail, guarantee, hope, endeavor, intend, long, mean, manage, offer, ought, plan, pledge, pretend, prepare, promise, proceed, prove, resolve, refuse, request, swear, tend, try, venture, wait, wish。如:
Even though the children pretended to be asleep, the nurses were not deceived when they came into the room.
注意:
1)有的动词要求特殊疑问词+不定式做宾语, 这类动词有:
consider, discover, explain, forget, guess, know, learn, observe, remember, see, tell, understand, wonder,如:
While still a young boy, Bizet knew how to play the piano well and as he grew older, he wrote operas, the most famous of which is Carmen.
2)如果该特殊疑问词在不定式中做介词宾语, 介词往往置于该特殊疑问词的前面。如:
The professor can hardly find sufficient grounds on which to base his argument in favor of the new theory.
Without facts, we cannot form worthwhile opinion for we need to have factual knowledge upon which to base our thinking.
(2)可以用不定式做宾语补足语(复合宾语)的动词:
下列动词可以用不定式做宾语补足语(复合宾语):
advise, allow, ask, beg, cause, command, compel, enable, determine, encourage, expect, feel, find, force, hate, have, hear, help, inform, invite, let, like, make, mean, need, notice, notify, oblige, order, permit, persuade, remind, request, require, see, send, teach, tell, tempt, trouble, urge, want, warn, watch, wish。
注意:画线动词后面的不定式不带to。
如:
Because of the recent accidents, our parents forbid my brother and me to swim in the river unless someone agrees to watch over us.
大学网考研频道。考研英语语法精要 分词
四、分词
分词起形容词和副词的作用,在句中做定语或状语。在概念上考生应清楚:
● 现在分词表示主动,表示动作在进行。
● 过去分词表示被动,表示动作结束了的状态或结果。
1.分词做定语,弄清现在分词与过去分词的区别
分词短语做定语相当于省略了的定语从句,考生应掌握:
(1)现在分词与被修饰词之间具有主动意义。如:
It’s easy to blame the decline of conversation on the pace of modern life and on the vague changes taking place in our ever-increasing world.(相当于the changes which take place...)
There was a very interesting remark in a book by an Englishman that I read recently giving what he thought was a reason for this American characteristic.(相当于which gave...)
How many of us attending, say, a meeting that is irrelevant to us would be interested in the discussion?(相当于How many of us who will attend...)
(2)过去分词与被修饰词之间具有被动意义。如:
Good news was sometimes released prematurely, with the British recapture of the port announced half a day before the defenders actually surrendered.
(相当于…recapture of the port which had been announced…)
Just as the value of a telephone network increases with each new phone added to the system, so does the value of a computer system increase with each program that turns out.
(相当于…each new phone which is added to…)
The author gave a detailed deion based on his personal observation of nature.
(相当于…deion which was based on…)
(3)下列不及物动词也以过去分词形式做定语或表语,但不具有被动意义:
deceased, departed, elapsed, faded, fallen, gone, grown-up, retired, returned, risen, set, vanished, much-travelled, newly arrived, recently come。如:
an escaped prisoner一个逃犯
a retired worker一位退休工人
a faded curtain一个褪了色的窗帘
a newly arrived student一个新来的学生
2.分词做状语,注意区分分词的一般式与完成式
(1)表示时间,多置于句首,注意如果分词表示的动作的`时间先于谓语动词,要用完成式。如:
Having completed one task, we started on another one.
(complete先于start之前发生)
(2)表示原因,置于句首句尾均可,根据情况有时要用完成式,有时用一般式。如:
He wasn’t asked to take on the chairmanship of the society, being considered insufficiently popular with all members.
There seemed little hope that the explorer, having been deserted in the tropical forest, would find his way through it.
(3)表示伴随、方式,置于句尾,用分词的一般式。如:
Helen borrowed my dictionary the other day saying that she would return it soon.
Anna was reading a piece of science fiction, completely lost to the outside world.
(4)表示结果,置于句尾,用分词的一般式。如:
The city found itself in a crisis situation last summer when the air conditioning on dozens of the new buses broke down, them unusable.
(5)表示补充说明(同位),置于句尾,用分词的一般式。如:
The article opens and closes with deions of two news reports, each making one major point in contrast with the other.
Ford tried dividing the labor, each worker assigned a separate task.
3.分词的独立主格结构
分词的逻辑主语一般为句子的主语,否则分词短语要有自己的逻辑主语,称为分词独立主格结构。分词独立主格结构只是句子的一个部分,但在翻译时经常译成独立的句子,考生要注意英汉两种语言在结构上的区别。如:
All flights having been canceled because of the snowstorm, we decided to take the train.
Darkness setting in, the young couple lingered on merrymaking.
4.分词做表语和补语,尤应注意由使役动词变来的分词的形式
(1)现在分词表示主语或宾语的特征,多以事物做(逻辑)主语。如:
His victory in the final was no more convincing than I had expected.
(2)过去分词表示主语或宾语所处的状态或对某事的心理反应和感受,多以人做(逻辑)主语。如:
These students are quick at learning. We’ll have them trained in new methods.
People cannot but feel puzzled. For they simply cannot understand how he could have made such a stupid mistake.
大学网考研频道。考研英语语法精要平行结构
九、平行结构
1.注意由并列连词或等立连词连接的`成分在语法形式上是否相同,即都是形容词,或都是介词短语,或都是不定式,或都是动名词,或都是句子等。如:
Symposium talks will cover a wide range of subjects from overfishing to physical and environmental factors that affect the populations of different species.
In the teaching of mathematics, the way of instruction is generally traditional, with teachers presenting formal lectures and students taking notes.
2.注意比较结构中相比较的内容在语法形式上是否相同。如:
It is better to die on one’s feet than to live on one’s knees.
Despite the temporary difficulties, the manager prefers increasing the output to decreasing it.
3.其他具有并列或比较意义的短语。
(1)rather than, let alone 虽不是并列连词,但在结构上连接两个语法形式相同的成分。如:
We are taught that a business letter should be written in a formal style rather than in a personal style.
For the new country to survive, let alone for its people to enjoy prosperity, new economic policies will be required.
(2)如果平行的两个成分在形式上是介词短语,而且介词相同,一般说来第二个介词不要省略。如:
At times, more care goes into the composition of newspaper and magazine advertisements than into the writing of the features and editorials.
大学网考研频道。考研英语语法精要 虚拟语气
六、虚拟语气
1.主从句谓语动词的时态
(1)掌握主从句谓语动词的规范搭配:
主句 从句
与现在事实相反 would/情态动词过去式+do were (不分人称)/did
与过去事实相反 would/情态动词过去式+have done had done
与将来事实相反 would/情态动词过去式+do should do
如:
If the doctor had been available, the child could not have died.
There is a real possibility that these animals could be frightened, should there be a sudden loud noise.
(2)区分主从句表示的不同时间概念:
主从句谓语动词所指时间不同,这叫做错综时间条件句,动词形式应根据实际情况来调整。如:
Had it not been for the timely investment from the general public, our company would not be so thriving as it is.
(主句与现在事实相反,从句与过去事实相反)
Had Paul received six more votes in the last election, he would be our chairman now.
(主句与现在事实相反,从句与过去事实相反)
(3)识别事实和假设混合句:
Your math instructor would have been happy to give you a make-up examination had you gone and explained that your parents were ill at the time.
(句子前半部分为假设情况,而“父母病了”是事实)
I would have gone to visit him in the hospital had it been at all possible, but I was fully occupied the whole of last week.
(前半部分为假设,后半部分是事实)
2.名词性从句的虚拟形式
名词性从句是指宾语从句、主语从句、表语从句和同位语从句。从句的'谓语动词需用(should+)动词原形表示虚拟。考生应熟悉:
(1)下列动词做谓语时,that宾语从句中的动词用虚拟形式:
desire, advise, recommend, command, direct, order, ask, demand, request, require, insist, maintain, move, propose, prefer, urge, vote。如:
In the past men generally preferred that their wives work in the home.
I move that he be discharged for his serious mistake.
(2)下列形容词和分词做表语或补语时,that主语从句中动词用虚拟形式:
advisable, desirable, insistent, preferable, urgent, appropriate, compulsory, crucial, essential, imperative, important, necessary, obligatory, possible, probable, proper, vital, advised, arranged, commanded, demanded, desired, ordered, proposed, recommended, requested, required, suggested。如:
The board deem it urgent that these files should be printed right away.
It is essential that all these figures be checked twice.
(3)下列名词接同位语从句或表语从句时,从句中动词用虚拟形式:
insistence, preference, recommendation, suggestion, proposal, motion, desire, re-quirement, request, order, necessity, importance, regulation, rule, resolution, understanding。如:
John Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it be analyzed in a religious, as well as worldly, frame of reference.
They keep telling us it is of utmost importance that our representative be sent to the conference on schedule.
3.含蓄虚拟条件句的谓语动词形式
含蓄虚拟语气是指假设条件不通过if从句表达,而是暗含在其他结构中。考生应熟悉:
(1)连词but, but that, or, or else;副词otherwise, unfortunately等表示转折假设。如:
A safety analysis would have identified the target as a potential danger. Unfortunately, it was never done.
Victor obviously doesn’t know what’s happened; otherwise he wouldn’t have made such a stupid remark.
(2)介词短语暗含假设条件,常用的有:without, but for, under more favorable conditions等。如:
But for the English examination I would have gone to the concert last Sunday.
(3)intended/meant/hoped/wished/planned或was/were +不定式完成式或had intended/meant/planned/hoped/wished+不定式一般式暗示虚拟语气。如:
I intended to have called on you, but I was busy at that time.
(4)情态动词完成式暗示虚拟语气。如:
I should have called to make an airline reservation, but I didn’t.
4.常用虚拟形式的句型
(1)从句中动词用过去式或过去完成式表示虚拟的句型:
would rather would as soon as though suppose…
had rather would sooner as if supposing…
If only… It is (high) time that…(从句中动词只用过去式)
如:
His wife would rather they didn’t talk about the matter any more.
I’d rather you went by train, because I can’t bear the idea of your being in an airplane in such bad weather.
If I were in a movie, then it would be about time that I buried my head in my hands for a cry.
My father always talks as though he were addressing a public meeting.
(2)If it were not for… (与现在事实相反)
If it had not been for… (与过去事实相反) 相当于but for。如:
If it had not been for his help (= but for his help), we would not have succeeded.
(3)If only…谓语动词视情况选用适当的形式。如:
If only the committee would approve the regulations and put them into effect as soon as possible.
(4)lest/for fear that/in case 从句谓语用(should+)动词原形。如:
The mad man was put in the soft-padded cell lest he injure himself.
(5)whether…or…有时谓语用be的原形,引导让步虚拟从句,这种用法经常采用倒装结构。如:
Church as we use the word refers to all religious institutions, be they Christian, Islamic, Buddhist, Jewish, and so on.
The business of each day, be it selling goods or shipping them, went quite smoothly.
大学网考研频道。考研英语语法精要 形容词 副词
八、形容词、副词及其比较级
1.形容词的句法功能
形容词在句中做定语、表语和主语。考生应注意:
(1)以 “a” 开头的形容词如alone, alike, asleep, awake等不能做前置定语,可做表语或后置定语。
(2)某些以副词词缀 “-ly” 结尾的词是形容词,如friendly, leisurely, lovely等。
(3)下列动词既是实义动词又是系动词,注意用做系动词时,要求形容词做表语:remain, keep, become, get, grow, go, come, turn, stay, stand, run, prove, seem, appear, look。如:
All those left undone may sound great in theory, but even the truest believer has great difficulty when it comes to specifics.
2.副词主要测试其修饰作用
考生应了解:副词可修饰谓语动词、非谓语动词、形容词、副词、介词短语、整个句子。如:
This pair of shoes isn’t good, but that pair is hardly better.
(与前半句的否定意义吻合)
It’s essential that people be psychologically able to resist the impact brought about by the transition from planned economy to market economy.
Andrew, my father’s younger brother, will not be at the picnic, much to the family’s disappointment.
Most of us are of the opinion that this set of training program is among the most wisely devised ones we have seen so far.
3.考比较级时,考生应把握
(1)形容词和副词比较级的形式是否和比较连词对应出现,即是否符合原级比较及比较级的结构。如:
Do you enjoy listening to records? I find records are often as good as, or better than an actual performance.
On the whole, ambitious students are more likely to succeed in their studies than are those with little ambition.
(2)比较的成分是否属于同类事物或同类概念。如:
The number of registered participants in this year’s marathon was half that of last year’s.
Young readers, more often than not, find the novels of Dickens far more exciting than Thackeray’s.
(3)比较级的修饰语如 a little, a lot, the, any, even, far, hardly, lots, much, rather,还有表示倍数比较的词等,他们的位置是:修饰语+as…as…, 或修饰语+more…than…。如:
Smoking is so harmful to personal health that it kills seven times more people each year than automobile accidents.
“Do you regret paying five hundred dollars for the painting?” “No, I would gladly have paid twice as much for it.”
(4)下列词和短语不用比较级形式却表示比较概念:
inferior,minor,senior,prior,prefer to,superior,major,junior,prefer?able,differ from,compared with,in comparison with,different from,rather than。如:
Their watch is superior to all the other watches on the market.
4.最高级形式应注意的问题
(1)最高级比较范围用介词in, over, of, among。
in, (all)over用于在某一范围内的比较,如:in China, all over the world; of, among 用于在同一群体内同类事物的比较,如:among the teachers, of the four dresses。
注意:among…相当于one of…,不说among all…。这一点考生应与汉语表达区别开来。如:
Of all visible lights, red light has the longest and violet the shortest wavelength.
(2)比较级形式表示最高级意义时,比较对象的.范围应用:
any other +单数名词
the other +复数名词
the others
anyone/anything else
上述词是用来将比较级结构转变成最高级意义的关键词语,切不可遗漏,否则会造成逻辑混乱的错误。如不能说:John runs faster than anyone.注意与汉语表达的不同。
5.有关比较级的特殊句型
(1)not so much…as…与其说……不如说……
The chief reason for the population growth isn’t so much a rise in birth rates as a fall in death rates as a result of improvements in medical care.
(2)no/not any more…than…两者一样都不……The heart is no more intelligent than the stomach, for they are both controlled by the brain.
There is no reason they should limit how much vitamin you take, any more than they can limit how much water you drink.
(3)no /not any less…than…两者一样都……She is no less beautiful than her sister.
(4)just as…so….正如……,……也……(用倒装结构)Just as the soil is a part of the earth, so is the atmosphere.
大学网考研频道。考研英语语法精要 倒装结构
十二、倒装结构
倒装是指句子成分不是按主语在前、谓语在后的正常语序排列,而是将谓语或谓语的一部分移到主语之前。倒装是一种修辞手段,目的是为了强调。倒装分为部分倒装和全部倒装,考试多为部分倒装。考生应掌握什么情况下需要倒装。
1.下列否定词及含有否定意义的词组修饰状语时,若置于句首,句子的主谓要部分倒装
never, no, neither, not only, hardly, scarcely, little, seldom, rarely, not until, nowhere, at no time, on no account, in no respect, in no sense, by no means, in no way, no longer, no less, no more, no sooner than, under no circumstances, in vain, still less。如:
Not only is its direct attack on their discipline, it bypasses the essence of what sociologists focus on.
Under no circumstances should we do anything that will benefit ourselves but harm the interests of the state.
2.以only修饰状语开头的句子,句子的主谓要部分倒装
only then, only at that time, only once, only in this way, only with, only through, only by, only when, only after, only because。如:
Only when you have obtained sufficient data can you come to a sound conclusion.
3.以下列副词或短语开头的句子,句子的主谓要部分倒装
often, so, well, to such a degree, to such an extent, to such extremes, to such a point,many a time。如:
So involved with their computers do the children become that leaders at summer computer camps often have to force them to break for sports and games.
4.以下列副词开头的句子,句子的主谓要全部倒装
(1)出于修辞需要,表示方向的副词:out, down, in, up, away, on。如:
Down jumped the burglar from the tenth floor when he heard someone shouted at him.
(2)出于习惯用法:here, there, now, thus, hence, then。如:
Now is your turn. There goes the bell.
(3)有时主语较长,为了使句子平衡,避免头重脚轻,主谓要全部倒装。这种情况多出现在主系表结构中。如:
Less important than ever is developing a meaningful philosophy of life.
In between these two extremes are those people who agree with the jury system as a whole, but feel that some changes need to be implemented to improve its effectiveness.
5.让步从句的倒装
(1)as引导让步状语从句,必须采用倒装结构,但不是主谓倒装,而是将被强调的内容置于句首。如:
Much as I have traveled, I have never seen anyone to equal her, in thoroughness, whatever the job.
(2)出现在句型be+主语+其他, come what may中。如:
While it’s true that we all need a career, preferably a profitable one, it is equally true that our civilization has accumulated an incredible amount of knowledge―be it scientific or artistic.
The business of each day, be it selling goods or shipping them, went quite smoothly.
Come what may, I’ll be on your side.
6.比较从句的`倒装
as, than引导的比较从句中,如果主语是名词短语且较长,经常采用倒装结构(不倒装也可以)。注意:这种结构主语一般为名词,如果是代词则不倒装。如:
Hydrogen burns much more cleanly than do other fuels and is easy to produce.
Today’s electric cars cannot go as fast as gasoline-driven vehicles because the battery does not offer the same amount of energy as does gasoline combustion.
Reading is to the mind as is exercise to the body.
(1)如果谓语动词是单个实义动词,倒装时需根据人称和时态加助动词do。如:
Little did we expect that he would fulfill his task so rapidly.
(2)考生要广义理解“句首”的概念,注意从句的句首和并列分句的句首均为句首。如:
Suddenly, Gallup’s name was on everyone’s lips; not only was he the prophet of the moment, but it was generally believed that he had founded a new and most important method of prediction.
大学网考研频道。考研英语语法精要 主谓一致
十一、主谓一致问题
主谓一致是指主语与谓语在数上要一致。把握主谓一致问题,考生主要解决的是对不同结构的'主语单复数的认定,进而选择适当的谓语。
1.主谓一致常出现在主谓倒装结构中。如:
Just outside the ruins is a magnificent building surrounded by tall trees.
Although a great number of houses in that area are still in need of repair, there has been improvement in the facilities.
2.主语与谓语之间有定语从句或其他结构修饰,所以距离较远,考生易误认主语。如:
The amount of pressure which the materials are subject to affects the quality of the products.
3.关系代词做主语的定语从句中,谓语的数要与先行词一致。如:
Despite much research, there are still certain elements in the life cycle of the insect that are not fully understood.
There are many valuable services which the public are willing to pay for, but which do not bring a return in money to the community.
4.动名词短语、不定式短语、名词性从句做主语,谓语用单数。如:
Buying clothes is often a time-consuming job because those clothes that a person likes are rarely the ones that fit him or her.
To understand the situation completely requires more thought than has been given thus far.
5.主语带有(together/along)with, such as, as well as, accompanied by, including, rather than 等附加成分, 谓语的数不受附加成分的影响。如:
The president of the college, together with the deans, is planning a conference for the purpose of laying down certain regulations.
6.表示时间、距离、金额、重量、面积、体积、容积等度量的名词短语做主语时,谓语用单数。
7.某些固定结构中谓语的数:
a great many + 可数名词复数 谓语用复数
many a + 可数名词单数 谓语用单数
a number of +可数名词复数 谓语用复数
the number of +可数名词复数 谓语用单数
the majority of +可数名词复数 谓语用复数
each/every +可数名词单数 谓语用单数
neither/either of +可数名词复数 谓语用单数
more than one +可数名词单数 谓语用单数
one and a half +可数名词复数 谓语用单数
the greater part of
a large proportion of
50% of
谓语的数与of后面的名词一致
one third of
plenty of
the rest of
大学网考研频道。★ 动名词的用法