考博英语语法：含蓄虚拟条件句 L,_Z
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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： Pt\GVWi_t
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 }[b3$WZ
the leadership of the party, we could not be living a happy today.=If there hadn’t been the leadership of the party, we could not be living a happy today. {jOV8SVL
A. In spite of
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B. But for 4o ,G[Cf_
C. Because of L.Tu7+M4
D. As for 答案选B。 v&r\Z @%
But that she was afraid, she would have said no.
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(2)连词，如：so that, unless, in case, supposing, lest, provided(倘若……)，for fear that(唯恐)，in order that, on condition that, if only(要是……就好了)等。 :]uz0 s`>
She listened carefully in order that she might discover exactly what he wante J
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D.=if she listened carefully ,she might discover exactly what he wante kj /v$m
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If only I had more money, I could buy a car. QQ\\:]iM
(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： 9 ?zi
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。 v%E~sX&CG
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。 @BoZZ
(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。 g[ O6WZ!F_
I thought the children when we returned home, but they were still awake. 6oy[0hj
A. were sleeping NEW0dF&)
B. would be sleeping T 07 AH
C. had been sleeping P 9?I]a)G
D. would sleep选择 B。 Xz\ X 8I
(4)形容词及其比较级 ]6@6g>f?
A more careful person would not have made so many mistakes. 4GG0jCNk
A less conscientious man wouldn’t have tried so hard to get this job done. 6!Uk c'r
(5)分词短语 Wiere0 2*
Having known in time, we might have prevented the accident. NKMVp /66D
Born ten days earlier, the boy could have seen his late father. EqF>=5*
(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。 c!]Q 0ib6
I intended I should call on you, but I was busy at that time. Mk8k,"RG&Z
To hear him speak French, you would take him for an Englishman. VU;98
She would be stupid not to accept his invitation. W<T
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It would be easier to do it this way. z yrjb 8
(7)名词短语和名词+and结构 [7h/ 2La#
A judicious man would not have committed suicide.
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A diligent student would have worked harder. b]g#mQ
(8)独立主格结构 cf%aOH YI*
All things considered, the price would be reasonable.
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(9)定语从句 eqk.+~^
Anyone who had been in your position would have done the same. $J =`fx
A nation, which stopped working, would be dead in a fortnight. g "v6UZ\
(10)情态动词完成式暗示虚拟语气： c p2a @
I should have called to make an airline reservation, but I didn’t. #@m6ag.
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. vDCbD#.6
(11)动词原形表示虚拟 iz3H oj
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。 z[l_<`J$9
God bless you! {m/KD 'b_
All magnets behave the same, be they large or small. ubQr[/
She’ll be sixteen years odd, com May.(come May =when May come). <vd}oiB@
If that be so, we shall take action at once M UUhg
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