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主题 : 考博英语虚拟语气
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楼主  发表于: 2008-11-23   

考博英语虚拟语气

一、混合虚拟语气  >Q"eaJxE!l  
  有时主句和从句的谓语动词指不同的时间,这时需要用混合虚拟语气。一般来说,在这种情况下,主从句谓语动词指代的时间不同,所以我们又可以错综时间条件句,在这种虚拟情况,动词形式应根据实际情况灵活使用,在做这些题目时候尤其要注意每道题目的提示语:时间状语。绝大多数情况下,从句或者主句都有相关的时间状语,这是我解题的关键。   q#MA A_  
If you    that late movie last night, you wouldn’t be so sleepy.  eQzSWn[  
A. haven’t watched   B. didn’t watch    GT#iY*  
C. hadn’t watched   D. wouldn’t have watched         答案选C。  ZTHr jW1  
Many dead would now be alive if they have not attempted to return for something.  O% 9~1_  
Had Paul received six more votes in the last election, he would be our chairman now.  Y}e$5  
  混合虚拟语气还有一种情况就是事实和虚拟假设的混合句,这样的句子不仅仅是时间的不同,而重要是事实和假设的混合。  L(AY)gB  
I would have gone to visit him in the hospital had it been at all possible, but I was fully occupied the whole of last week.  L88oh&M  
该句前半部分是假设虚拟,而后半部分是事实的陈述。  qj=12;  
Your math instructor would have been happy to give you a make-up examination had you gone and explained that your parents were ill at the time.  //| 9J(B]  
  该句前半句用的是假设虚拟,后半句主句也用的是假设虚拟(如果你去并且解释的话),但是后半句的从句用的是事实语气,因为“父母病了”是客观事实,故不需要用虚拟形式had been。  hM+nA::w  
二、含蓄虚拟条件句  d]w*fn  
  含蓄条件句是指句中没有明显的虚拟条件句,而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常来表示含蓄虚拟条件的手段有:  2nOQ48ha T  
(1)介词或介词短语,如but for, but that, without, in case of, under more favorable condition等。  2Ni2Gkf@  
      the leadership of the party, we could not be living a happy today.=If there hadn’t been the leadership of the party, we could not be living a happy today. VYlg+MlT0  
YwHnDVV+  
A. In spite of    B. But for    C. Because of    D. As for    答案选B。  oX!s u  
But that she was afraid, she would have said no.  KR m4r  
(2)连词,如:so that, unless, in case, supposing, lest, provided(倘若……),for fear that(唯恐),in order that, on condition that, if only(要是……就好了)等。  p2w/jJMD  
She listened carefully in order that she might discover exactly what he wanted.=if she listened carefully ,she might discover exactly what he wanted.  .KK"KO5k  
If only I had more money, I could buy a car.  F~<$E*&h@  
 (注:lest, for fear that 和 in case 引起的从句中谓语动词多用should+动词原形,但可以不用虚拟语气,而用动词的陈述语气形式。)例如:  Y@;bA=Du}  
  The foreign teacher spoke slowly in case we misunderstood him. 这位外籍教师说得很慢以免我们听不懂。  :'.-*Ew  
Care must be taken in using this method lest overflow should occur.在使用此法时要小心谨慎,以免会发生溢流现象。  `^|mNh  
(3)通过上下文及内在含义,句中往往有but, otherwise, unfortunately等类似转折词。  Vv6xVX  
I thought the children      when we returned home, but they were still awake.  pOw4H67  
A. were sleeping   B. would be sleeping   C. had been sleeping    D. would sleep选择 B。  x{RTI#a.  
(4)形容词及其比较级  Yo(8mtYU  
A more careful person would not have made so many mistakes.  ZhM-F0;`  
A less conscientious man wouldn’t have tried so hard to get this job done.  dI'C[.zp[  
(5)分词短语  .hZ =8y9  
Having known in time, we might have prevented the accident.  qfN<w&P  
Born ten days earlier, the boy could have seen his late father.  YQe @C  
(6)动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。  ,CwhpW\Y  
I intended I should call on you, but I was busy at that time.  xI_WkoI  
To hear him speak French, you would take him for an Englishman.  $3"0w   
She would be stupid not to accept his invitation.  vad " N  
It would be easier to do it this way.  {TUCa  
(7)名词短语和名词+and结构  ed*=p l3.  
A judicious man would not have committed suicide.  ; Sh|6  
A diligent student would have worked harder.  (}] 74Lc  
(8)独立主格结构  v-OGY[|97  
All things considered, the price would be reasonable.  0nhsjN}v  
(9)定语从句  G|Q}.v  
Anyone who had been in your position would have done the same.  TvM{ QGN  
A nation, which stopped working, would be dead in a fortnight.  cDE?Xo'!  
(10)情态动词完成式暗示虚拟语气:  9n9/[?S  
I should have called to make an airline reservation, but I didn’t.  TX;OA"3=\-  
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. 5)&e2V',y  
(11)动词原形表示虚拟  }qb z&%R  
动词原形直接用在句子中也被看作是一种虚拟,最常见于正式文体中,动词原形一般用在条件从句中,有时倒装置于句首,同时这种用法也常见于独立句中表达愿望。  VAq( t  
God bless you!  etGquW.  
All magnets behave the same, be they large or small.  LnR3C:NO k  
She’ll be sixteen years odd, com May.(come May =when May come).  B}r@xz  
If that be so, we shall take action at once
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级别: 初级博友
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沙发  发表于: 2008-11-24   
太好了,谢谢楼主
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板凳  发表于: 2008-12-19   
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