考博英语语法：含蓄虚拟条件句 x;P_1J
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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： %+W{iu[|
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 .PIL
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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. X;
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A. In spite of |}s* E_/[
B. But for u"cV%(#
C. Because of X"|['t
D. As for 答案选B。 p J!
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But that she was afraid, she would have said no. ["
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(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。 gZ3u=uME
She listened carefully in order that she might discover exactly what he wante r"3=44St
D.=if she listened carefully ,she might discover exactly what he wante 9X+V4xux
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If only I had more money, I could buy a car. wY{-BuX v
(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： hB]Np1('
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。 2+ N]PW\V
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。 ` x Ex^P^7
(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。 njB; &N)I
I thought the children when we returned home, but they were still awake. ]KKS"0a
A. were sleeping >-RQ] ?^
B. would be sleeping x*\Y)
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C. had been sleeping ,GhS[VJjR
D. would sleep选择 B。 YlJ@XpKM
(4)形容词及其比较级 F h&G;aEq
A more careful person would not have made so many mistakes. HT
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A less conscientious man wouldn’t have tried so hard to get this job done. ^qvZXb
(5)分词短语 aB 2F C$z
Having known in time, we might have prevented the accident. g-4M3of
Born ten days earlier, the boy could have seen his late father. a{'vN93
(6)动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。 cN-? l7
I intended I should call on you, but I was busy at that time. >;aWz%-
To hear him speak French, you would take him for an Englishman. EqkN3%I G
She would be stupid not to accept his invitation. T$)^
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It would be easier to do it this way. *2>&"B09`
(7)名词短语和名词+and结构 D# 9m\o_
A judicious man would not have committed suicide. ]!W=^!
A diligent student would have worked harder. &)#
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(8)独立主格结构 #X+JHl
All things considered, the price would be reasonable. ,1.p%UE]>
(9)定语从句 GLH 0 ]
Anyone who had been in your position would have done the same. +[6G5cH
A nation, which stopped working, would be dead in a fortnight. 5zK4F raf
(10)情态动词完成式暗示虚拟语气： ,i ^9 |Oeq
I should have called to make an airline reservation, but I didn’t. W]$w@.oW[
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. $8)+XmsCr
(11)动词原形表示虚拟 o*+" |
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。 nmee 'oEw
God bless you! W<h)HhyG
All magnets behave the same, be they large or small. `z}?"BW|
She’ll be sixteen years odd, com May.(come May =when May come). ; }I:\P
If that be so, we shall take action at once ^ox=H
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