考博英语语法：含蓄虚拟条件句 W.s H
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： Bk ; />gD
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 ` st^i$A
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. 3kW%,d*_
A. In spite of |'QgL0?
B. But for Hd $ {I",
C. Because of z{ (c-7*
D. As for 答案选B。 :F.eyA|#@G
But that she was afraid, she would have said no. 0?w4
(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。 F7&Oc)f"B
She listened carefully in order that she might discover exactly what he wante ]L;X A j?
D.=if she listened carefully ,she might discover exactly what he wante F* _ytL
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If only I had more money, I could buy a car. ?'mi6jFFh
(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： mNQ*YCq.
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。 ?{(Jy*
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。 CuA A)B j
(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。 W@WKda J
I thought the children when we returned home, but they were still awake. Lw<%?F (
A. were sleeping oLc
B. would be sleeping p K hV<MFB
C. had been sleeping VI;) VJbq
D. would sleep选择 B。 5^ e|802
(4)形容词及其比较级 nD!5I@D
A more careful person would not have made so many mistakes. 6B&ERdoX
A less conscientious man wouldn’t have tried so hard to get this job done. K&;;{~md.
(5)分词短语 I`[s(C>3
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Having known in time, we might have prevented the accident. B'-L-]\H
Born ten days earlier, the boy could have seen his late father. *6Q mYq6c<
(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。 2|}KBny
I intended I should call on you, but I was busy at that time. 4L/8Hj#g
To hear him speak French, you would take him for an Englishman. /u pDbP.O
She would be stupid not to accept his invitation. T]y^PT<8?
It would be easier to do it this way. >-4kO7.V
(7)名词短语和名词+and结构 5 u^;7
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A judicious man would not have committed suicide. mVEHVz $
A diligent student would have worked harder. 8BggK6
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(8)独立主格结构
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All things considered, the price would be reasonable. rRd8W}B
(9)定语从句
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Anyone who had been in your position would have done the same. Fa9gr/.F,@
A nation, which stopped working, would be dead in a fortnight. 5}he)2*uD
(10)情态动词完成式暗示虚拟语气： Qhsk09K_=4
I should have called to make an airline reservation, but I didn’t. Z*M-PaU}
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. ;&U! g&
(11)动词原形表示虚拟 h$I
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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。 |c3Yh, Sv
God bless you! -?PXj)<
All magnets behave the same, be they large or small. "M4 gl
She’ll be sixteen years odd, com May.(come May =when May come). [XDr-5Dm
If that be so, we shall take action at once k5TPzm=y{
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