考博英语语法：含蓄虚拟条件句 H9^D lIv('
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： :!wdqn
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 JERWz~n}
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. _l`s
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A. In spite of `+
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B. But for f&\v+'[p
C. Because of 6tE<`"P!
D. As for 答案选B。 mv1_vF:
But that she was afraid, she would have said no. ?T\m
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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。 0an g^v;q
She listened carefully in order that she might discover exactly what he wante %#.H FK
D.=if she listened carefully ,she might discover exactly what he wante 7DU"QeLeb
D. *CA7
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If only I had more money, I could buy a car. #K3A{
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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： WH.5vrY Z
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。 u"%i3%Yjh
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。 Z7eD+4gD
(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。 ~ituPrH%<
I thought the children when we returned home, but they were still awake. *{ ]9e\DF
A. were sleeping qp-/S^ %
B. would be sleeping QY<{S&k9
C. had been sleeping glk_ *x
D. would sleep选择 B。 y[*Bw)F\N
(4)形容词及其比较级 Z#wmEc.}C
A more careful person would not have made so many mistakes. $I L7c]Gw
A less conscientious man wouldn’t have tried so hard to get this job done. *g^U=t
(5)分词短语 cS98%@ DR
Having known in time, we might have prevented the accident. (;o ,t?:d
Born ten days earlier, the boy could have seen his late father. !b"#`O %`
(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。 ':71;^zXf
I intended I should call on you, but I was busy at that time. C:n55BE9
To hear him speak French, you would take him for an Englishman. *`:zSnu
She would be stupid not to accept his invitation. eKl h }v
It would be easier to do it this way. `J h> 1l
(7)名词短语和名词+and结构 X[:&p|g]
A judicious man would not have committed suicide. k`W.tMo
A diligent student would have worked harder. &L,zh{Mp
(8)独立主格结构 f1;Pz r
All things considered, the price would be reasonable. @|xcrEnP}B
(9)定语从句 odPq<'V|AY
Anyone who had been in your position would have done the same. 3&!X
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A nation, which stopped working, would be dead in a fortnight. uh UC m
(10)情态动词完成式暗示虚拟语气： xBhfC!AK}
I should have called to make an airline reservation, but I didn’t. Akf?BB3bC
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. Ij
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(11)动词原形表示虚拟 0+b1R}!2
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。 "Y 9
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God bless you! }"j7Qy)cs
All magnets behave the same, be they large or small. _f%Wk>A4
She’ll be sixteen years odd, com May.(come May =when May come). ajuwP1I
If that be so, we shall take action at once 08&DP^NS
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