隨著(zhù)2017考研的到來(lái)，各地考生們也在積極復習考研英語(yǔ)�？忌鷤儜撊绾螐土暱佳杏⒄Z(yǔ)語(yǔ)法呢?英語(yǔ)語(yǔ)法又有哪些難點(diǎn)呢?下面是小編為大家整理收集的2017考研英語(yǔ)語(yǔ)法難點(diǎn)總結，僅供大家參考。
(一)情態(tài)動(dòng)詞
一.情態(tài)動(dòng)詞的現在完成式的用法
情態(tài)動(dòng)詞現在完成式主要有兩個(gè)功能：表示已經(jīng)發(fā)生的情況和表示虛擬語(yǔ)氣。在這兩個(gè)方面must/mustn’t,;can/cann’t;need/needn’t;may/mayn’t;might/mightn’t;should/shouldn’t;
ougtht等情態(tài)動(dòng)詞+完成式表示的意思是有一定區別的
1.表示已經(jīng)發(fā)生的情況。
1)must have+過(guò)去分詞，表示對已發(fā)生情況的肯定推測，譯為“(昨天)一定……”。如：
My pain apparent the moment I walked into the room, for the first man I met asked sympathetically:” Are you feeling all right?”
[A] must be [B] had been [C] must have been [D] had to be
(答案為C)
2)can’t / couldn’t have+過(guò)去分詞，表示對已發(fā)生情況的否定推測，譯為“(昨天)一定沒(méi)……”。如：
Mary my letter; otherwise she would have replied before now.
[A] couldn’t have received [B] ought to have received
[C] has received [D] shouldn’t have received
(答案為A)
3)may / might have +過(guò)去分詞，表示對已發(fā)生的事情做不肯定、可能性很小的推測，或事實(shí)上根本沒(méi)發(fā)生，譯為“也許……”。如：
At Florida Power’s Crystal River plant, a potentially serious leakage of radioactive water may have been unknowingly caused by an electrician.
2.表示虛擬語(yǔ)氣。
1) needn’t have + 過(guò)去分詞，表示做了不必做的事，相當于”didn’t need to do”,譯為“其實(shí)沒(méi)必要……”。如：
You needn’t have come over yourself.
As it turned out to be a small house party, we so formally.
[A] needn’t dress up [B]did not need have dressed up
[C] did not need dress up [D] needn’t have dressed up
(沒(méi)有必要穿的那么正式，體現是說(shuō)話(huà)者的建議，實(shí)際結果是否真的穿的很正式?jīng)]有確定，答案為D)
2)should have +過(guò)去分詞，表示應該做某事但實(shí)際上未做，譯為“本應該……”should not + have過(guò)去分詞表示本不應該做某事但實(shí)際上做了，譯為“本不應該……”。如：
I regret having left the work unfinished; I should have planned everything ahead carefully.
我本來(lái)應該事先認真地把每件事情規劃的很好，但實(shí)際上作者還是沒(méi)有規劃好，以至工作沒(méi)有完成。
3) ought to have +過(guò)去分詞，表示動(dòng)作按理該發(fā)生了，但實(shí)際上未發(fā)生，譯為“該……”，與should 的完成式含義類(lèi)似。如：
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke .
4) could have +過(guò)去分詞，表示過(guò)去本來(lái)可以做但卻未做，譯為“完全可以……”。這點(diǎn)與ought/should/ have +過(guò)去分詞用法相似。如：
What you said is right, but you could have phrased it more tactfully.
5) may/ might have +過(guò)去分詞，表示過(guò)去可以做但實(shí)際未做，譯為“(那樣)也許會(huì )……”。如：
It might have been better to include more punchy statistics and photos of equipment in the introduction to further assist first-time office automation managers.
二.幾個(gè)情態(tài)動(dòng)詞�？嫉木湫停�
1).may/might (just) as well “不妨，最好”，與had better相近;
Since the flight was cancelled, you might as well go by train.
既然航班已經(jīng)取消了，你不妨乘火車(chē)吧。相當于you had better go by train。
2) .cannot / can’t…too …“越……越好，怎么也不過(guò)分”。注意這個(gè)句型的變體cannot…over….如：
You cannot be too careful when you drive a car.駕車(chē)時(shí)候，越小心越好。
The final chapter covers organizational change and development. This subject cannot be over emphasized .
3) .usedn’t 或did’t use to 為used to (do) 的否定式。
4).should 除了“應該”一層意思外，考研大綱還規定要掌握其“竟然”的意思。如：I didn’t expect that he should have behaved like that. 我無(wú)法想象他竟然這樣做。
三.情態(tài)動(dòng)詞被動(dòng)關(guān)系的主動(dòng)表達法
1. want, require, worth(形容詞)后面接doing也可以表示被動(dòng)意義。
Your hair wants cutting
The book is worth reading
The floor requires washing.
2.need既可以用need to be done 也可以使用need doing ，兩種形式都表達被動(dòng)的意義
The house needs painting= the house needs to be painted.
The watch needed repairing= the watch needed to be repaired.
(二) 形容詞、副詞及比較級最高級
一.形容詞的修飾與位置
一般來(lái)說(shuō)，從構詞法角度來(lái)看，后綴”ly”往往是副詞，但有的以“ly’結尾的詞是形容詞而不是副詞，這點(diǎn)要注意;形容詞一般可以在句子中做定語(yǔ)，表語(yǔ)等成份，但有些形容詞在句子中只能做表語(yǔ)和只能做前置定語(yǔ);這些形容詞在修飾時(shí)候有一定的特殊性要引起大家的注意，下面做了一下歸納：
1 以-ly結尾的是形容詞而不是副詞：
costly 昂貴的 lonely 孤獨的
deadly 死一般的 lively 活潑的
friendly 友好的 silly 傻氣的
kindly 熱心腸的 likely 可能的
leisurely 悠閑的 ugly 長(cháng)得丑的
brotherly 兄弟般的 monthly 每月的
earthly 塵世的
2 只作以“a”開(kāi)頭的很多形容詞只能做表語(yǔ)：
afraid 害怕的 alike 相象的
awake 醒著(zhù)的 alone 單獨的，惟一的
alive 活著(zhù)的 ashamed 羞愧的
asleep 睡著(zhù)的 aware 意識到的、察覺(jué)到的
well 健康的 content 滿(mǎn)意的
unable 無(wú)能的
3 只作前置定語(yǔ)的形容詞
earthen 泥土做的，大地的 daily 每日的 latter 后面的
golden 金子般的 weekly 每周的 inner 里面的
silken 絲一般的 monthly 每月的 outer 外面的
wooden 木制的 yearly 每年的 elder 年長(cháng)的
woolen 毛織的 former 前任的 mere 僅，只不過(guò)
only 惟一的 sheer 純粹的 very 恰好的
little 小的 live 活的
4.下列動(dòng)詞既是實(shí)義動(dòng)詞又是系動(dòng)詞，注意用做系動(dòng)詞時(shí)，要求形容詞做表語(yǔ)：
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.
二.形容詞與副詞的比較級與最高級
1. 考比較級時(shí)，考生應把握：
1)形容詞和副詞比較級的形式是否和比較連詞對應出現，即是否符合原級比較及比較級的結構。如：
Do you enjoy listening to records? I find records are often , or better than an actual performance.
[A]as good as [B]as good [C]good [D]good as
在這里as good as 比較連詞與better than比較連詞同時(shí)出現時(shí)候，不能省略任何一個(gè)介詞。答案為A
On the whole, ambitious students are more likely to succeed in their studies than are those with little ambition.
2)比較的成分是否屬于同類(lèi)事物或同類(lèi)概念，既是說(shuō)比較要具有可比性。如：
The number of registered participants in this year’s marathon was half .
[A] of last year’s [B]those of last year’s
[C]of those of last year [D] that of last year’s
(前后相比的應該是今年和去年注冊參加的人數“the number of”故代替它的應該是單數指示代詞“that”，而不能選擇B，those是指代participants，不是同類(lèi)對比，答案為D。
Young readers, more often than not, find the novels of dickens far more exciting than Thackeray’s.
3)比較級與倍數詞關(guān)系及其位置
原級結構中可插入表達倍數的詞，表示為“為….若干倍”,當與有表示倍數比較的詞在一起時(shí)候等，他們的位置是，倍數詞+as…as…,或倍數詞+more…than…，但again一般放在原級詞之后，即 “as+原級+again+as”.如：
Smoking is so harmful to personal health that it kills people each year than automobile accidents.
[A] seven more times [B] seven times more
[C] over seven times [D] seven times
(答案為B)
“Do you regret paying five hundred dollars for the painting?”“No, I would gladly have paid for it.”
[A] twice so much [B] twice as much
[C] as much twice [D] so much twice
(答案為B)
My uncle is as old again as I am
4)下列詞和短語(yǔ)不用比較級形式卻表示比較概念：
inferior, minor, senior, prior, prefer to, superior, major, junior, preferable, differ from, compared with, in comparison with, different from, rather than. 如：
Their watch is to all the other watches on the market.
[A] superior [B] advantageous [C] super [D] beneficial
(答案為A)
Prior to his departure, he addressed a letter to his daughter. (1986年考研題)
5)“比較級+and +比較級”或“more and more/less and less +原級”以及“ever, steadily, daily等副詞+比較級”結構表示“越來(lái)越……”的意思，與這類(lèi)結構搭配的常用動(dòng)詞有g(shù)row, get ,become等。前面兩種情況更多地出現在進(jìn)行時(shí)態(tài)中，注意的是這三種情況引導的比較級后面都不需要用than.如：
Things are getting worse and worse.
As I spoke to him he became less and less angry.
Her health was becoming daily worse
The road got ever worse until there was no road at all = the road got worse and worse.
6)比較級前面可以用even, still, yet ,all the (more)等修飾語(yǔ)用以加強語(yǔ)氣，表示“更加”的意思。如
Today it is even colder than yesterday
I have yet more exciting news for you
7) 有關(guān)比較級的特殊句型：
A): not so much…as…與其說(shuō)……不如說(shuō)……
The chief reason for the population growth isn’t so much a rise in birth rates a fall in death rates as a result of improvements in medical care.
[A] and [B] as [C]but [D] or
人口增長(cháng)的主要原因與其說(shuō)是因為出生率的提高，還不如說(shuō)是因為醫療的進(jìn)步帶來(lái)的死亡率下降的結果。答案為B
B) no/not any more…than…兩者一樣都不……
The heart is intelligent than the stomach, for they are both controlled by the brain.
[A] not so [B]not much [C]much more [D] no more
(心臟和胃兩者都不具有智力，他們都受大腦控制。答案為D)
There is no reason they should limit how much vitamin you take, they can limit how much water you drink.
[A] much more than [B] no more than
[C] no less than [D] any more than
(答案為D)
C)no/not any less…than…兩者一樣,都……注意基本上與no/not any more…than意思相反
She is no less beautiful than her sister.她和她姐姐一樣漂亮
D)just as… so… 正如……， ……也……(用倒裝結構)
Just as the soil is a part of the earth, the atmosphere.
[A] as it is [B] the same is [C] so is [D] and so is
(答案為C)
2.最高級形式應注意的問(wèn)題：
1)最高級比較范圍用介詞in, over, of, among。
in, (all) over用于在某一范圍內的比較，如：in China, all over the world.
of, among用于在同一群體內同類(lèi)事物的比較，如：among the teachers, of the four dresses.
注意：among…相當于one of …,不說(shuō)among all…。這一點(diǎn)考生應與漢語(yǔ)表達區別開(kāi)來(lái)
如：
all visible lights, red light has the longest and violet the shortest wavelength.
[A] Among [B] Of [C]For [D]To 答案為[B]
2)比較級形式表示最高級意義時(shí)，比較對象的范圍應用：
any other +單數名詞
the other +復數名詞
the others
anyone/anything else
上述詞是用業(yè)將比較級結構轉變成最高級意義的關(guān)鍵詞語(yǔ)，切不可遺漏，尤其是other，否則會(huì )造成邏輯混亂的錯誤。如不能說(shuō)：John runs faster than anyone.注意與漢語(yǔ)表達的不同。
3)most可以用來(lái)修飾形容詞或副詞，意思相當于very，用法區分單復數，但不能用定冠詞the，如：a most interesting book, most expensive restaurants， 要注意與 “the +形容詞最高級+of + 名詞”的結構表示的最高級的區別，如：
He spoke in the warmest of voices
They have been most kind to me
Basketball is the most popular of sports in this country.
Chinese is the most difficult of language
Chinese is a most difficult language
三.不用比較級和最高級的形容詞：
1)表示顏色的有：white, black
2)表示形態(tài)的有：round, square, oval, circular, triangular(三角形)，level
3)表示性質(zhì)和特征的有：atomic, economic, scientific, sonic, golden, silvery, woolen, earthen, silent, full, empty, sure, dead, deaf, blind, lame, rainy
4)表示狀態(tài)作表語(yǔ)的有：afraid, asleep, alive, ashamed, alone, aware, alike
5)表示時(shí)間、空間和方位的有：daily, weekly, monthly, annual, present, front, back, forward, backward, east, west, south, north, left, right, final
6)表示極限、主次、等級的有：maximum, minimum, utmost, main, major, chief minor, superior, inferior, senior, junior, super, favorite
7)含有絕對概念的有：absolute, entire, whole, total, perfect, excellent, thorough, complete.
四.平行結構與比較級
平行結構很多情況下是由形容詞或副詞的比較級或者暗含比較意味的連詞引導的。如：
The ideal listener stays both inside and outside the music at the moment it is played and enjoys it almost as much as the composer at the moment he composes.
大多數情況下平行結構都是具有一定的比較含義的，有的是遞進(jìn)對比not only…but (also) ;prefer…to…;rather than有的是同類(lèi)對比：and ;but;or;both… and…;either…or…; neither…nor…..
平行結構測試時(shí)候注意以下幾點(diǎn)：
1.注意比較結構中相比較的內容在語(yǔ)法形式上是否相同。如：
It is better to die one’s feet than .
[A]living on one’s knees [B]live on one’s knees
[C]on one’s knees [D]to live on one’s knees
(答案為D)
Despite the temporary difficulties, the manager prefers increasing the output to decreasing it.
2.其他具有并列或比較意義的短語(yǔ)也可引導平行結構。
1)rather than, let alone 雖不是并列連詞，但在結構上連接兩個(gè)語(yǔ)法形式相同的成分。如：
We are taught that a business letter should be written in a formal style in a personal style.
[A]rather than [B]other than [C]better than [D]less than
答案為A
For the new country to survive, for its people to enjoy prosperity, new economic policies will be required.
[A] to name a few [B]let alone [C]not to speak [D]let’s say
(答案為B)
2)如果平行的兩個(gè)成分在形式上是介詞短語(yǔ)，而且介詞相同，一般說(shuō)來(lái)第二個(gè)介詞不要省略。如：
At times, more care goes into the composition of newspaper and magazine advertisements than into the writing of the features and editorials.
(三)代詞及其指代一致
一.代詞的指代
1.that的指代作用
that指代不可數名詞和單數可數名詞(如是復數，用those)，后面通常跟有修飾語(yǔ)，如出現在比較結構中的that of。如
Conversation calls for a willingness to alternate the role of speaker with that of listener, and it calls for occasional “digestive pauses” by both.這里that指代前面的the role。
No bread eaten by men is so sweet as that earned by his own labor.
2.one的指代作用
one指代帶不定冠詞的單數可數名詞，復數為ones。the one指代帶定冠詞的單數可數名詞。如：
A good writer is who can express the commonplace in an uncommon way.
[A] that [B]he [C]one [D]this
答案為[C]
3.do的替代作用。
do代替動(dòng)詞，注意數和時(shí)態(tài)的變化。如：
For him to be re-elected, what is essential is not that his policy works , but that the public believe that it does.
二.代詞指代一致問(wèn)題
代詞指代一致是指指代的名詞在性、數、格上是否一致，或者所照應的名詞詞組在某些方面保持一致。
Each cigarette a person smokes does some harm, and eventually he may get a serious disease form its effect.
這里he指代前面的person。
It was during the 1920’s that the friendship between the two American writers Hemingway and Fitzgerald reached its highest point.
這里its指代前面的兩人的friendship。
Our department was monitored by two supervisors, Bill and me.
這里me必須用賓格形式。
代詞指代一致必須注意以下幾個(gè)原則和規律：
1.鄰近和靠近原則
由either … or, neither…nor, not only…but (also)連接先行詞時(shí)候，如果兩個(gè)先行詞在數和性上保持一致，就用其相應的一直的人稱(chēng)代詞;如果兩個(gè)先行詞在數或性上不一致，人稱(chēng)代詞一般與鄰近的先行詞在數和性上保持一致。
Neither Mary nor Alice has her key with her.
Neither the package nor the letters have reached their destination
If either David or Janet comes , he or she will want a drink
2.當no one, everyone, each,everybody, none ,anybody, someone, somebody用作主語(yǔ)或主語(yǔ)的限定詞時(shí)候,或者anything, nothing, something everything等不定代詞作主語(yǔ)時(shí)候，其相應的代詞一般按照語(yǔ)法一致原則，采取單數形式。如：
Everybody talked at the top of his voice.
None of the boys can do it , can he?
Everything is ready, isn’t it?
3.當主語(yǔ)為復數形式，后跟each作同位語(yǔ)時(shí)，如果each位于動(dòng)詞之前，其后的代詞或相應的限定詞用復數形式;如果 each位于動(dòng)詞之后，其后的代詞或相應的限定詞用單數形式。如：
They each have two coats
we are each responsible for his own family
4.由and連接兩個(gè)先行詞，代詞用復數
如：the tourist and businessmen lost their luggage in the accident
(四) 主謂一致問(wèn)題
主謂一致是指主語(yǔ)與謂語(yǔ)在數上要一致。把握主謂一致問(wèn)題，考生主要解決的是對不同結構的主語(yǔ)單復數的認定，進(jìn)而選擇適當的謂語(yǔ)。解決主謂一致主要遵循三個(gè)原則：
語(yǔ)法一致原則
意義一致原則
就近一致原則
很多情況下應該綜合利用這三個(gè)原則來(lái)處理主謂一致，在不同情況下可能應用三個(gè)原則中的不同原則，具體應用哪種原則應該視具體情況而定�？偨Y如下：
一.謂語(yǔ)動(dòng)詞用單數的情況
1.動(dòng)名詞短語(yǔ)、不定式短語(yǔ)、名詞性從句做主語(yǔ)，謂語(yǔ)用單數。如：
Buying clothes is often a time-consuming job because those clothes that a person likes are rarely the cones that fit him or her.
(1987年考研題)
To understand the situation completely requires more thought than has been given thus far.
2.表示時(shí)間、距離、金額、重量、面積、體積、容積等度量的名詞短語(yǔ)做主語(yǔ)時(shí)，謂語(yǔ)用單數。
Two weeks was too long
Five times five makes twenty five
3.一般用and連接的兩個(gè)單詞或短語(yǔ)做主語(yǔ)時(shí)候，謂語(yǔ)用復數，但是下面用and連接的主語(yǔ)表示一個(gè)概念，謂語(yǔ)用單數：
law and order 法制 soap and water 肥皂水
a cup and saucer 茶杯碟子 fork and knife 刀叉
the needle and thread 針線(xiàn) trial and error 反復嘗試，不斷摸索
horse and carriage 馬車(chē) time and tide 歲月
bread and butter 奶油面包 the ebb and flow 盛衰，潮漲潮落
如： If law and order not preserved, neither the citizen nor his property is safe.
A. is B. are C. was d. were
答案：A。
4.表示學(xué)科和某些疾病名稱(chēng)的名詞是復數形式，作主語(yǔ)時(shí)候謂語(yǔ)動(dòng)詞用單數形式
Linguistics is a branch of study on human language.
5.有些名詞形式上是復數，意義上是單數，根據意義一致原則動(dòng)詞用單數
The chaos was stopped by the police
The news is a great encouragement to us
A series of debates between the lectures was scheduled for the next weekend.
6.用and 連接的成份表示一個(gè)單一概念時(shí)候，動(dòng)詞謂語(yǔ)用單數形式
Bread and butter is our daily food
Time and tide waits for no man
二. 謂語(yǔ)用復數情況
1. 由and, both …and, 連接的并列主語(yǔ)，和both ,a few, many ,several 等修飾語(yǔ)后面謂語(yǔ)動(dòng)詞通常用復數形式。
Few people know he and I were classmates when we were at college.
2.集體名詞police, public, militia, cattle ,class ,youth后常用復數形式的動(dòng)詞
The Chinese people are brave and hardworking
The cattle are grazing in the sunshine
3.當表示民族的詞與冠詞合用當主語(yǔ)，謂語(yǔ)動(dòng)詞用復數形式
The Japanese were once very aggressive
4.某些形容詞前面加定冠詞表示一類(lèi)人，做主語(yǔ)時(shí)候，謂語(yǔ)動(dòng)詞用復數
The rich are not always selfish
5.不可數名詞作主語(yǔ)，其前有表示數量的復數名詞修飾時(shí)，謂語(yǔ)動(dòng)詞用復數
Three million tons of coal were exported that year
三.謂語(yǔ)動(dòng)詞可用單數，也可以用復數的情況
1. 就近一致原則
這種情況下，謂語(yǔ)動(dòng)詞使用單數還是復數取決于最靠近該動(dòng)詞的主語(yǔ)的單復數，存在這種情況的主要由以下幾種可能：
1) 由連詞 either…or…; neither…nor…; whether… or…;not only…but (also) ;or 等連接的并列主語(yǔ)
Neither money nor fame has influence on me
Not only you but also he is wrong
2) 在倒裝結構中，謂語(yǔ)動(dòng)詞與后面的第一個(gè)主語(yǔ)一致
Blocking the open-sided porch, framed by the enveloping fog, stands a tall grave-faced policeman.
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 facili
2. 主語(yǔ)帶有(together/along)with, such as, accompanied by, as well as, no less than, except, besides, with, combined with, in addition to , including, together with 等等附加成分，謂語(yǔ)的數不受附加成分的影響仍然與主語(yǔ)保持一致
Professor Taylor , with six of his students ,is attending a conference in Boston organized to compare current practice in the United States with those of other nations.
The president of the college, together with the deans, is planning a conference for the purpose of laying down certain regulations. (1981年考研題)
3.關(guān)系代詞做主語(yǔ)的定語(yǔ)從句中，謂語(yǔ)的數要與先行詞一致。如：
Despite much research, there are still certain elements in the life cycle of the insect that are not fully understood.
(1996年考研題)
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.
(1990年考研題)
4.一些表示數量的短語(yǔ)與名詞連用時(shí)候，謂語(yǔ)動(dòng)詞的數取決于名詞的數，名詞是復數，謂語(yǔ)動(dòng)詞用復數，反之就用單數。這些短語(yǔ)包括：a lot of /lots of; plenty of/heaps of; half of; two-third (three-fourth…) of; eighty(ten, twenty…) percent; part of; rest of ; none of 等等
Two-thirds of people present are women
Lots of damage was caused by the fire
5.集體名詞作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的數取決于主語(yǔ)表示的意思和數，當表示整體時(shí)候，謂語(yǔ)動(dòng)詞就用單數，當強調集體中的個(gè)體時(shí)候，謂語(yǔ)動(dòng)詞就用復數。這些集體名詞如：army, audience, band ,government ,group ,flock, police, public ,staff ,team ,troop. Crowd, firm, family 等等
The family is the basic unit of our society
The family were watching the TV
The audience was enormous
The audience were greatly moved at the words
6.某些固定結構中主語(yǔ)與謂語(yǔ)的數：
第一組：
a great many + 可數名詞復數 謂語(yǔ)用復數
a number of + 可數名詞復數 謂語(yǔ)用復數
the majority of + 可數名詞復數 謂語(yǔ)用復數
第二組;
the number of + 可數名詞復數 謂語(yǔ)用單數
each/every + 可數名詞復數 謂語(yǔ)用單數
neither/either of + 可數名詞復數 謂語(yǔ)用單數
one and a half + 可數名詞復數 謂語(yǔ)用單數
第三組;
more than one + 可數名詞單數 謂語(yǔ)用單數
many a + 可數名詞單數 謂語(yǔ)用單數
第四組;
the greater part of
a large proportion of
50% of
one third of
plenty of
the rest of
謂語(yǔ)的數與of 后面的名詞一致
第五組;
(n)either…(n)or….
not only….. but also ……
not …..but ……
謂語(yǔ)的數與主語(yǔ)的第二部分(即(n)or/ but also/ but引導的后面部分)一致.
注意比較：
More students than one have been referred to
More than one student is going to buy this book
(五)倒裝結構
倒裝是指句子成分不是按主語(yǔ)在前、謂語(yǔ)在后的正常語(yǔ)序排列，而是將謂語(yǔ)或謂語(yǔ)的一部分移到主語(yǔ)之前。倒裝是一種修辭手段，目的是為了強調。倒裝分為部分倒裝和全部倒裝，考試多為部分倒裝�？忌鷳莆帐裁辞闆r下需要倒裝,并對倒裝后的句子能夠認出來(lái)，避免做題時(shí)候的盲目和迷茫。
一. 用全部倒裝的情況
全部倒裝一般是存在以下列副詞開(kāi)頭的句子中，全部倒裝的方法是把句子的主謂語(yǔ)序顛倒過(guò)來(lái)，把謂語(yǔ)移到主語(yǔ)前面：
1)出于修辭需要，表示方向的副詞：out, down, in ,up, away, on。如：
Down jumped the burglar from the tenth floor when he heard someone shouted at him.
Up went the plane
2)出于習慣用法：here, there, now, thus, hence, then.如：
Now is your turn. There goes the bell.
Here is a ticket for you
There existed a certain doubt among the students as to the necessity of work
注意：here，there用于倒裝結構時(shí)主語(yǔ)一般為名詞，如果是人稱(chēng)代詞則不需要倒裝
“ where is the cup?” “Here it is!”
Here you are.
There he comes.
3)有時(shí)主語(yǔ)較長(cháng)，為了使句子平衡，避免頭重腳輕，主謂要全部倒裝。這種情況多出現在主系表結構中。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.
二. 采用部分倒裝情況
部分倒裝一般是把句子謂語(yǔ)的一部分(主要是助動(dòng)詞或系動(dòng)詞)放到句子主語(yǔ)前，構成部分倒裝，而全部倒裝則把句子的謂語(yǔ)(包括實(shí)義動(dòng)詞)都放在主語(yǔ)前
1.下列否定詞及含有否定意義的詞組修飾狀語(yǔ)時(shí)，若置于句首，句子的主謂要部分倒裝：
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 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.
(1985年考研題)
注：1)如果謂語(yǔ)動(dòng)詞是單個(gè)實(shí)義動(dòng)詞，倒裝時(shí)需根據人稱(chēng)和時(shí)態(tài)加助動(dòng)詞do。如：
Little did we expect that he would fulfill his task so rapidly.
(1983年考研題)
2)考生要廣義理解“句首”的概念，注意從句的句首和并列分句的句首均為句首。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.
2.以only修飾狀語(yǔ)(副詞，介詞短語(yǔ)，狀語(yǔ)從句)開(kāi)頭的句子，句子的主謂要部分倒裝：
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 come to a sound conclusion.
[A]can you [B]would you [C]you will [D]you can
3.以下列副詞或短語(yǔ)開(kāi)頭的句子，句子的主謂要部分倒裝：
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 that leaders at summer computer camps often have to force them to break for sports and games.
[A]became the children [B]become the children
[C]had the children become [D]do the children become
(2001年考研題，答案為D)
4.比較從句的倒裝：
as, than引導的比較從句中，如果主語(yǔ)是名詞短語(yǔ)且較長(cháng)，經(jīng)常采用倒裝結構(不倒裝也可以)。注意：這種結構主語(yǔ)一般為名詞，如果是代詞則不倒裝。如：
Hydrogen burns much more cleanly than do other fuels and is easy to produce.
Today’s electuic 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.
5.用于前面所說(shuō)的情況也適用于另一人(物)的肯定句或否定句中的倒裝
1) 肯定重復倒裝用：so
They have got up, and so has jack
2) 否定重復倒裝用：nor, neither, no more
If you don’t agree to our plan, neither will they
6.“not only..but also”結構時(shí)，如果not only 放在句首，則前半句but (also)句子后面不倒裝
Not only did we lose all our money, but we also came close to being broke.
三. 特殊的倒裝結構
特殊形式的倒裝結構是指句子雖然是倒裝結構，但不是主謂倒裝，而往往是出于強調的需要，把強調部分移到句首，而其它部分順序不需要改變，句子主謂不需要倒裝。出現這樣的情況有以下幾種可能：
1.讓步從句的倒裝。
1)as引導讓步狀語(yǔ)從句，必須采用倒裝結構，但不是主謂倒裝，而是將被強調的內容置于句首。如：
Much as I have traveled, I have never seen anyone to equal her, in thoroughness, whatever the job.
Brave as they are, they are afraid of fight
2).出現在句型be+主語(yǔ)+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 selling goods or shipping them, went quite smoothly.
[A] it being [B] be it [C] was it [D] it was (答案為B)
3) no matter how(who…);however引導的讓步狀語(yǔ)從句必須采用倒裝結構，但不是主謂倒裝，而是將被強調的內容置于句首。如：
No matter how busy he is , he has to attend the meeting
However cold it is , he always goes swimming.