考博英语语法：含蓄虚拟条件句 , g\%P5
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： !l-^JPb
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 cD5c&+,&I
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. ?$ T! = e"
A. In spite of
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B. But for QhUv(]0
C. Because of t4>%<'>e
D. As for 答案选B。 1ga.%M*
But that she was afraid, she would have said no. p w(eWP
(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。 ocOzQ13@Y
She listened carefully in order that she might discover exactly what he wante zG)XB
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D.=if she listened carefully ,she might discover exactly what he wante _' K J:3e
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If only I had more money, I could buy a car. K8xwPoRL
(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： KZ_d..l*W
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。 it V
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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。 baJ(Iy
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(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。 ;{' {*g[
I thought the children when we returned home, but they were still awake. 1UG5Q-
A. were sleeping g%z'#E 97
B. would be sleeping P5
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C. had been sleeping "A\.` *6
D. would sleep选择 B。 C /AqAW1
(4)形容词及其比较级 " o.V`Bj
A more careful person would not have made so many mistakes. xe ng`!
A less conscientious man wouldn’t have tried so hard to get this job done. f44b=,Lry5
(5)分词短语 l -|hvv5g
Having known in time, we might have prevented the accident. fu3~W
Born ten days earlier, the boy could have seen his late father. i"|="O0v5
(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。 {|)u).n|
I intended I should call on you, but I was busy at that time. 8w,U[aJm
To hear him speak French, you would take him for an Englishman. cTpmklq
She would be stupid not to accept his invitation. 8$Igo$U-
It would be easier to do it this way. a3
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(7)名词短语和名词+and结构
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A judicious man would not have committed suicide. !YUMAp/
A diligent student would have worked harder. H"v3?g`S%
(8)独立主格结构 2 de[ yz
All things considered, the price would be reasonable. QEd>T"@g
(9)定语从句 & E98&[`7
Anyone who had been in your position would have done the same. %C&HR2
A nation, which stopped working, would be dead in a fortnight. w.s-T.5.j
(10)情态动词完成式暗示虚拟语气： j#KL"B_ A
I should have called to make an airline reservation, but I didn’t. -9 Iz$ (>a
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. InI^ ,&<
(11)动词原形表示虚拟 3@ u<Sa
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。 Rx';P/F0C
God bless you! 3&*_5<t\X
All magnets behave the same, be they large or small. Y6LoPJ
She’ll be sixteen years odd, com May.(come May =when May come). _Ju@<V$
If that be so, we shall take action at once I'"b3]DXG
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