考博英语语法：含蓄虚拟条件句 m!|u{<,R
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： $[VKM|Zjw
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 d&w g\"E
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. zr\I1v]?1#
A. In spite of 2!-ZNd:(+
B. But for R6h(mPYA
C. Because of z62e4U][
D. As for 答案选B。 ^%)'wDK
But that she was afraid, she would have said no. ya5;C"
(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。 -F /"W
She listened carefully in order that she might discover exactly what he wante Cl6y:21]K
D.=if she listened carefully ,she might discover exactly what he wante TCX* $ac"
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If only I had more money, I could buy a car. (NFq/w%
(注：lest, for fear that 和 in case 引起的从句中谓语动词多用should+动词原形，但可以不用虚拟语气，而用动词的陈述语气形式。)例如： Fs|fo-+H}k
The foreign teacher spoke slowly in case we misunderstood him. 这位外籍教师说得很慢以免我们听不懂。 @r% [e1.
Care must be taken in using this method lest overflow should occur.在使用此法时要小心谨慎，以免会发生溢流现象。 PM=Q\ 0
(3)通过上下文及内在含义，句中往往有but, otherwise, unfortunately等类似转折词。 y/$WjFj3"
I thought the children when we returned home, but they were still awake. gLsl/G
A. were sleeping oA(jtX[(
B. would be sleeping IU{~{(p"
C. had been sleeping _.' j'j%
D. would sleep选择 B。 6m_Y%&
(4)形容词及其比较级 A@Z&ZBDg
A more careful person would not have made so many mistakes. U-QK
A less conscientious man wouldn’t have tried so hard to get this job done. Gx|$A+U
(5)分词短语 U? [a@Hj{
Having known in time, we might have prevented the accident. 5,:>.LRA
Born ten days earlier, the boy could have seen his late father. #|v\UJ:Pf/
(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。 izebQVQO*
I intended I should call on you, but I was busy at that time. [< }:b>a
To hear him speak French, you would take him for an Englishman. o|>2X[T
She would be stupid not to accept his invitation. W
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It would be easier to do it this way. Om0Z\GP=
(7)名词短语和名词+and结构 'v GrbmK
A judicious man would not have committed suicide. WogJ~N,d53
A diligent student would have worked harder. :XxsD D
(8)独立主格结构 b/: 9^ &z
All things considered, the price would be reasonable. G%Hr c
(9)定语从句 \sEq
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Anyone who had been in your position would have done the same. /csj(8^w
A nation, which stopped working, would be dead in a fortnight. T6=, A }t-
(10)情态动词完成式暗示虚拟语气： s$4!?b$tw
I should have called to make an airline reservation, but I didn’t. kl4FVZof
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. !f2f
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(11)动词原形表示虚拟 )s5Q4m
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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。 F" FGPk
God bless you! }xcA`w3u2?
All magnets behave the same, be they large or small. w6zB uW
She’ll be sixteen years odd, com May.(come May =when May come). nsIx5UA_n
If that be so, we shall take action at once = +% QfuK
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