考博英语语法：含蓄虚拟条件句 L4O.= *P1
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： Fn>KdoByN
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 ;w/@_!~
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. R
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A. In spite of /< k& [
B. But for 6VUs:iO1j5
C. Because of Qy ghNImp
D. As for 答案选B。 'C4 cS[1
But that she was afraid, she would have said no. `j1oxJm
(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。
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She listened carefully in order that she might discover exactly what he wante C@`rg ILc
D.=if she listened carefully ,she might discover exactly what he wante 7 }: +Yx
D. ? g\e mhG
If only I had more money, I could buy a car. fB80&G9
(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：
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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。 &szYa-K*
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。 ?K+q~DzNSD
(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。
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I thought the children when we returned home, but they were still awake. +h@.P B^`~
A. were sleeping t~7OtPF
B. would be sleeping 0SfW:3
C. had been sleeping m]vS"AdX
D. would sleep选择 B。 9: .m]QN
(4)形容词及其比较级 3&>0'h
A more careful person would not have made so many mistakes. 76bMy4re
A less conscientious man wouldn’t have tried so hard to get this job done. ,-hbwd~M
(5)分词短语 ufCpX>lNF
Having known in time, we might have prevented the accident. -%5#0Ogh
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Born ten days earlier, the boy could have seen his late father. 6I: 6+n
(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。 <#J5.I 1
I intended I should call on you, but I was busy at that time. Y0.'u{J*
To hear him speak French, you would take him for an Englishman.
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She would be stupid not to accept his invitation. 7UY4* j|[C
It would be easier to do it this way. ;@ T0wd_i|
(7)名词短语和名词+and结构 PxgJ7d
A judicious man would not have committed suicide. 5VP 0Xa ~
A diligent student would have worked harder. gs;^SRE I
(8)独立主格结构 O >pv/Ns
All things considered, the price would be reasonable. Vi: ^bv
(9)定语从句
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Anyone who had been in your position would have done the same. CxeW5qc
A nation, which stopped working, would be dead in a fortnight. 4MS#`E7LrC
(10)情态动词完成式暗示虚拟语气： 3r, ~-6
I should have called to make an airline reservation, but I didn’t. | bz%S B
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. IC&P-X_aP
(11)动词原形表示虚拟 -z~!%4 a
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。 n V7Vc;
God bless you! uyxYCc
All magnets behave the same, be they large or small. Cl`i|cF\
She’ll be sixteen years odd, com May.(come May =when May come). P2a5<#_ |
If that be so, we shall take action at once #M16qOEw
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