考博英语语法：含蓄虚拟条件句 N**)8(
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：
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(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 p3vf7 eqn
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. @ujwN([I
A. In spite of 254V)(t^QM
B. But for [W3X$ r~-
C. Because of j!agD_J
D. As for 答案选B。 Y\9}LgIvr
But that she was afraid, she would have said no. SMrfEmdH+
(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。 y"yo\IDW
She listened carefully in order that she might discover exactly what he wante G4'Ia$
D.=if she listened carefully ,she might discover exactly what he wante Xqw}O2Q
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If only I had more money, I could buy a car.
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(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： l:'#pZ4T
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。 `,'/Sdr
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。 = p_*lC%N
(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。 F q~uuQ
I thought the children when we returned home, but they were still awake. Xr
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A. were sleeping :EOa i%i
B. would be sleeping @Fc:9a@
C. had been sleeping PcC@}3
D. would sleep选择 B。 0BDw}E\
(4)形容词及其比较级 k\[(;9sf.
A more careful person would not have made so many mistakes. wj6u,+
A less conscientious man wouldn’t have tried so hard to get this job done. }`gOfj)?i
(5)分词短语 YH\9Je%jx
Having known in time, we might have prevented the accident. d%|l)JF*5
Born ten days earlier, the boy could have seen his late father. e ymv/
(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。 !hq2AY&H)
I intended I should call on you, but I was busy at that time. 94 -BcN
To hear him speak French, you would take him for an Englishman. se x\ dg<
She would be stupid not to accept his invitation. ketp9}u
It would be easier to do it this way. AY5iTbL1
(7)名词短语和名词+and结构 <kFLwF?PM'
A judicious man would not have committed suicide. #V rIU8Q7'
A diligent student would have worked harder. }T4|Kyu?
(8)独立主格结构 ?Ujg.xo\
All things considered, the price would be reasonable. U1r]e%df)
(9)定语从句 FL{?W (M
Anyone who had been in your position would have done the same. mi] WZlg$
A nation, which stopped working, would be dead in a fortnight. c9nR&m8(+
(10)情态动词完成式暗示虚拟语气： i3,.E]/wX@
I should have called to make an airline reservation, but I didn’t.
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The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. W#bYz{s.
(11)动词原形表示虚拟
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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。 ` sKyvPtG
God bless you! g[G /If
All magnets behave the same, be they large or small. LH4A!a]
She’ll be sixteen years odd, com May.(come May =when May come). lfj5?y
If that be so, we shall take action at once S[K5ofV
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