考博英语语法：含蓄虚拟条件句 L0WN\|D
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：
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(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 `&c kZiq
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
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A. In spite of %aVq+kC h
B. But for 'kO!^6=4M
C. Because of .jjG(
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D. As for 答案选B。 Vb]=B~ ^`
But that she was afraid, she would have said no. D7Q$
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(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。 N~zdWnSZ@G
She listened carefully in order that she might discover exactly what he wante ,M
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D.=if she listened carefully ,she might discover exactly what he wante :(* V?WI
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If only I had more money, I could buy a car. )W
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(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： |"CZ T#
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。 Gm^U;u}=f
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。 kzUIZ/+ZL,
(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。 fdi\hg^x
I thought the children when we returned home, but they were still awake. `Cynj+PCe
A. were sleeping #yF
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B. would be sleeping x@;m8z0
C. had been sleeping R=2FNP
D. would sleep选择 B。 `% "\@<
(4)形容词及其比较级 YWO)HsjP
A more careful person would not have made so many mistakes. ~H<6gN<j(.
A less conscientious man wouldn’t have tried so hard to get this job done. .2Elr(
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(5)分词短语 Ww+IWW@
Having known in time, we might have prevented the accident. fW1CFRHH
Born ten days earlier, the boy could have seen his late father. U}rU~ 3N
(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。 ,~@X{7U
I intended I should call on you, but I was busy at that time. |a`Sc %
To hear him speak French, you would take him for an Englishman. 6@F9G 4<Z
She would be stupid not to accept his invitation. dhf!o0'1M
It would be easier to do it this way. BLf>_b Uk
(7)名词短语和名词+and结构 g63(E,;;J
A judicious man would not have committed suicide. _P 3G
A diligent student would have worked harder. SaAFz&WRl
(8)独立主格结构
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All things considered, the price would be reasonable. G+"t/?/
(9)定语从句 :B5Fdp3
Anyone who had been in your position would have done the same.
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A nation, which stopped working, would be dead in a fortnight. 8hz^% vm
(10)情态动词完成式暗示虚拟语气： mt +Oi70
I should have called to make an airline reservation, but I didn’t. l \ !f j#
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. .* ?wF
(11)动词原形表示虚拟 [" )o.(
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。 =9boya,>
God bless you! HI R~"It$
All magnets behave the same, be they large or small. WwBOM~/`2
She’ll be sixteen years odd, com May.(come May =when May come). M 4oy
If that be so, we shall take action at once HJLG=mU
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