考博英语语法：含蓄虚拟条件句 r4NI(\gU
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： ezlp~z"_k
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 =,-80W NsX
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. ? $p GG
A. In spite of !`,6E`Y#
B. But for *%ZfE,bu8<
C. Because of
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D. As for 答案选B。 `(=)8>|e
But that she was afraid, she would have said no. dz5bW>
(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。 G#duZNBdc
She listened carefully in order that she might discover exactly what he wante wx (| $2{h
D.=if she listened carefully ,she might discover exactly what he wante 0Qw?
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If only I had more money, I could buy a car. @)VJ,Ql$Y
(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： 2K,
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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。 ]ZO^@sH
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。 lhQ*;dMj%"
(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。 ~u%9@}Oo>
I thought the children when we returned home, but they were still awake. z2!
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A. were sleeping 4s`*o/it
B. would be sleeping $g#X9/+<
C. had been sleeping @Z@yI2#e
D. would sleep选择 B。 jSVb5P
(4)形容词及其比较级 { +
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A more careful person would not have made so many mistakes. iv #9{T
A less conscientious man wouldn’t have tried so hard to get this job done. n{Jvx
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(5)分词短语 ?_\Hv@t;
Having known in time, we might have prevented the accident. t47 f$gq
Born ten days earlier, the boy could have seen his late father. <%pi *:E|
(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。 J [LGa:``
I intended I should call on you, but I was busy at that time. -Rjn<bTIy
To hear him speak French, you would take him for an Englishman. ]3
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She would be stupid not to accept his invitation. n{4&('NRFP
It would be easier to do it this way. \iowAo$
(7)名词短语和名词+and结构 )
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A judicious man would not have committed suicide. lt, x(2
A diligent student would have worked harder. .vpQ3m>
(8)独立主格结构 _?q\tyf3
All things considered, the price would be reasonable. rQisk8 %
(9)定语从句 -fUz$Df/R
Anyone who had been in your position would have done the same. yn P^|Ou
A nation, which stopped working, would be dead in a fortnight. 8VMq>-
(10)情态动词完成式暗示虚拟语气： d9Rj-e1 x
I should have called to make an airline reservation, but I didn’t. I
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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. GueqpEd2
(11)动词原形表示虚拟 5[/ *UtB
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。 [%QJ6
God bless you! 6x[gg !;85
All magnets behave the same, be they large or small. d(v )SS
She’ll be sixteen years odd, com May.(come May =when May come). S4?s s I
If that be so, we shall take action at once nH T2M{R
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