考博英语语法：含蓄虚拟条件句 <.PPs:{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： l|@/?GaH
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 xG *lV|<7>
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. %\(y8QV
A. In spite of XE f
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B. But for ()@.;R.Z
C. Because of ^7ea6G"
D. As for 答案选B。 <?q&PCAn^
But that she was afraid, she would have said no. V e$5w}a4
(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。 }5o~R~H
She listened carefully in order that she might discover exactly what he wante U}RS *7`
D.=if she listened carefully ,she might discover exactly what he wante h}anTFKP
D. t6<sNz F&
If only I had more money, I could buy a car. Y^c, mK^
(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： .T#y N\S1
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。 *! r\GGb
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。 )Anl FO+V
(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。 E]u'MX
I thought the children when we returned home, but they were still awake. m' Ek p
A. were sleeping !
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B. would be sleeping VQNYQqu`[
C. had been sleeping K\^&_#MG
D. would sleep选择 B。 <iXS0k
(4)形容词及其比较级 #czyr@
A more careful person would not have made so many mistakes. }QWTPRn
A less conscientious man wouldn’t have tried so hard to get this job done. PNx VW
(5)分词短语 # U!(I#^3
Having known in time, we might have prevented the accident. @ V7ooo!
Born ten days earlier, the boy could have seen his late father. }GoOE=rhY
(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。 GqIvvnw@f
I intended I should call on you, but I was busy at that time. L6rs9su=7
To hear him speak French, you would take him for an Englishman. *&h XJJ[+
She would be stupid not to accept his invitation. `jUS{ 3^
It would be easier to do it this way. R@7GCj
(7)名词短语和名词+and结构 _} X`t8L h
A judicious man would not have committed suicide. Top#u
A diligent student would have worked harder. NqQ(X'W7
(8)独立主格结构 $@u^Jt, ?
All things considered, the price would be reasonable. "#\bQf}
(9)定语从句 $^NWzc
Anyone who had been in your position would have done the same. uG(~m_7Hx
A nation, which stopped working, would be dead in a fortnight. {o5K?Pb
(10)情态动词完成式暗示虚拟语气： j0pvLZjM
I should have called to make an airline reservation, but I didn’t. ktw!T{
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. vY0V{u ?J
(11)动词原形表示虚拟 d'AviW>
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。 qh(-shZ4Du
God bless you! >uPde5"ZF-
All magnets behave the same, be they large or small. @rK>yPhf
She’ll be sixteen years odd, com May.(come May =when May come). IjB*myN.
If that be so, we shall take action at once se n{f^U
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