考博英语语法：含蓄虚拟条件句 o%|1D'f^
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： gF%ad=xm
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 JN8k x;@
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. t7~mW$}O
A. In spite of )kd)v4
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B. But for =djzE
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C. Because of S9L
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D. As for 答案选B。 (Q 'XjN\#
But that she was afraid, she would have said no. 5fLCmLM`
(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。 cKxJeM07
She listened carefully in order that she might discover exactly what he wante M.128J+xfS
D.=if she listened carefully ,she might discover exactly what he wante ,{oANqP
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If only I had more money, I could buy a car. P_?1Rwm-45
(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： $:xUXEi{
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。 +}1]8:>cq
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。 '2
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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。 1XZ&X]
I thought the children when we returned home, but they were still awake. =uvv|@Z
A. were sleeping \Js9U|lY
B. would be sleeping te:VYP
C. had been sleeping 95+}NJ;r
D. would sleep选择 B。 @-7K~in?^
(4)形容词及其比较级 "RG.vo7b
A more careful person would not have made so many mistakes. [mwfgh&4%
A less conscientious man wouldn’t have tried so hard to get this job done. s+CWyW@
(5)分词短语 \
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Having known in time, we might have prevented the accident. B]hZ4.B1
Born ten days earlier, the boy could have seen his late father. %]
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(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。 cvC ;QRx
I intended I should call on you, but I was busy at that time. ? & 1?uc
To hear him speak French, you would take him for an Englishman. jK{C
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She would be stupid not to accept his invitation. INkrG.=u
It would be easier to do it this way. v` B_xEl
(7)名词短语和名词+and结构 {6KU.'#iF
A judicious man would not have committed suicide. \myj Y
A diligent student would have worked harder. )HU?7n. {
(8)独立主格结构 F-ZD6l
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All things considered, the price would be reasonable.
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(9)定语从句 Pq`4Y
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Anyone who had been in your position would have done the same. l"vT@ g|
A nation, which stopped working, would be dead in a fortnight. hQk mB|];5
(10)情态动词完成式暗示虚拟语气： pGOS'.K%t8
I should have called to make an airline reservation, but I didn’t. omY?`(=
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. D_8hn3
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(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。 D@3|nS
God bless you! co*5NM^
All magnets behave the same, be they large or small. A 7 sej
She’ll be sixteen years odd, com May.(come May =when May come). 6Qo6 T][
If that be so, we shall take action at once '}}DPo V
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