考博英语语法：含蓄虚拟条件句 a$11PBi[9
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： n`7f"'/:
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 _wDS#t;!M
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. Of}|ib^t
A. In spite of !vD{Df>
B. But for G5.nPsuM
C. Because of F'm(8/A $
D. As for 答案选B。 zDOKShG
But that she was afraid, she would have said no. r{?Ta iK
(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。 ->{d`-}m'
She listened carefully in order that she might discover exactly what he wante @p=AWi
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D.=if she listened carefully ,she might discover exactly what he wante z;\d L
D. yCz|{=7"j
If only I had more money, I could buy a car. e 8\;t"D
(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： XMN:]!1J
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。 [/ M^[p
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。
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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。 d@C&+#QDF
I thought the children when we returned home, but they were still awake. 0
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A. were sleeping |Hr:S":9
B. would be sleeping sM[I4 .A
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C. had been sleeping 13'vH]S$M
D. would sleep选择 B。 %^. %OCX:
(4)形容词及其比较级 |R/.r_x,V?
A more careful person would not have made so many mistakes. FyoEQ%.bI
A less conscientious man wouldn’t have tried so hard to get this job done. T GB_~Bqe
(5)分词短语 ;TiUpg</_3
Having known in time, we might have prevented the accident. SzD KByi
Born ten days earlier, the boy could have seen his late father. `Hx~UH)
(6)动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。 fU3`v\X
I intended I should call on you, but I was busy at that time. F|bYWYED;
To hear him speak French, you would take him for an Englishman. b^c9po
She would be stupid not to accept his invitation. 3oZ=k]\
It would be easier to do it this way. eas: 6Q)
(7)名词短语和名词+and结构 wd@aw /
A judicious man would not have committed suicide. g?v\!/~(u
A diligent student would have worked harder. :p&!
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(8)独立主格结构 U).*q?.z
All things considered, the price would be reasonable. ?YM4b5!3T
(9)定语从句 %h"z0@+
Anyone who had been in your position would have done the same. ,B<l
A nation, which stopped working, would be dead in a fortnight. n(nBRCG)o
(10)情态动词完成式暗示虚拟语气： sd#|3
I should have called to make an airline reservation, but I didn’t. h_d +$W5
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. J~B
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(11)动词原形表示虚拟 8x{B~_~
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。 h0Z{,s}
God bless you! Syp"L;H8Em
All magnets behave the same, be they large or small. +z9@:L
She’ll be sixteen years odd, com May.(come May =when May come). H y "x
If that be so, we shall take action at once ^t aBG3P
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