考博英语语法：含蓄虚拟条件句 _u] S/X-
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： 1y{@fg~..
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 E*W|>2nx]
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. te*|>NRS
A. In spite of wBJP8wES=
B. But for w vnuE<o8
C. Because of 9*ek5vPB
D. As for 答案选B。 ;;]^d _
But that she was afraid, she would have said no. U#mrbW
(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。 M&h`uO/[
She listened carefully in order that she might discover exactly what he wante S O#R5Mu2N
D.=if she listened carefully ,she might discover exactly what he wante v K7J;U+cJ
D. 0{k*SC N#
If only I had more money, I could buy a car. _yu_Ev}R
(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： mW 4{*
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。 CW .
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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。 ?E|be
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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。 %AV [vr,
I thought the children when we returned home, but they were still awake. {[tx^b
A. were sleeping rE5q
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B. would be sleeping PpWn + ''M
C. had been sleeping i4g99Kvl
D. would sleep选择 B。 O @)D%*;v
(4)形容词及其比较级 AfqthI
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A more careful person would not have made so many mistakes.
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A less conscientious man wouldn’t have tried so hard to get this job done. x4e8;A(y
(5)分词短语 iO2%$Jw9\
Having known in time, we might have prevented the accident. 3w!,@=.q
Born ten days earlier, the boy could have seen his late father. Ar iW&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。 OO /Pc
I intended I should call on you, but I was busy at that time. Y?b4* me
To hear him speak French, you would take him for an Englishman. TQiD bgFo
She would be stupid not to accept his invitation. z&W5@6")`
It would be easier to do it this way. Tu9[byf rI
(7)名词短语和名词+and结构 !^*-]p/z
A judicious man would not have committed suicide. Vv<Tjr
A diligent student would have worked harder. B 4m
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(8)独立主格结构 Q4!6|%n8v
All things considered, the price would be reasonable. A3cW8 OClz
(9)定语从句 |d0,54!
Anyone who had been in your position would have done the same. mO~A}/ je
A nation, which stopped working, would be dead in a fortnight. [T> a}}@
(10)情态动词完成式暗示虚拟语气： Ljq !\D
I should have called to make an airline reservation, but I didn’t. ,f2tG+P
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. 9p '#a:
(11)动词原形表示虚拟 g#b uy
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。 cJQ& #u
God bless you! x O gUX6n
All magnets behave the same, be they large or small. V/@?KC0B5
She’ll be sixteen years odd, com May.(come May =when May come). 6~b]RZe7
If that be so, we shall take action at once
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