考博英语语法：含蓄虚拟条件句 c}(H*VY2n
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： I
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(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 cx[^D,usf~
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. K1@ Pt}
A. In spite of /3,/j)`a
B. But for Yg&(km m
C. Because of GRcPzneiz
D. As for 答案选B。 V,-we|"
But that she was afraid, she would have said no. g* YD gY
(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。 s|\)Y*B`
She listened carefully in order that she might discover exactly what he wante G^.N$wcv
D.=if she listened carefully ,she might discover exactly what he wante \V-N~_-H
D. ~P|;Y<?3
If only I had more money, I could buy a car. =v:?rY}
(注：lest, for fear that 和 in case 引起的从句中谓语动词多用should+动词原形，但可以不用虚拟语气，而用动词的陈述语气形式。)例如： p#$/{;yy
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@Z
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。 n{gEIUo#
(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。 YPGM||
I thought the children when we returned home, but they were still awake. WZ' Z"'
A. were sleeping 7( 84j5zb
B. would be sleeping Uj5-x%~
C. had been sleeping 8 W
D. would sleep选择 B。 .I^4Fc }&4
(4)形容词及其比较级 B<d=;V
A more careful person would not have made so many mistakes. e \6H.9=
A less conscientious man wouldn’t have tried so hard to get this job done. ]Q"T8drL
(5)分词短语 - lo?16w
Having known in time, we might have prevented the accident. 7eCj p
Born ten days earlier, the boy could have seen his late father. Em!- W5 *s
(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。 e0(/(E:
I intended I should call on you, but I was busy at that time.
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To hear him speak French, you would take him for an Englishman. %RD\Sb4YV
She would be stupid not to accept his invitation. |.@!CqJ
It would be easier to do it this way. s*PKr6X+
(7)名词短语和名词+and结构 $9YQ aN%
A judicious man would not have committed suicide. CQ2vFg3+o
A diligent student would have worked harder. ,SIS3A>s
(8)独立主格结构 wa@Rlzij>
All things considered, the price would be reasonable. `W x|
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(9)定语从句 5{HF'1XgZ*
Anyone who had been in your position would have done the same. UV2W~g
A nation, which stopped working, would be dead in a fortnight. sRt 7 .fe
(10)情态动词完成式暗示虚拟语气： oL]uY5eZoe
I should have called to make an airline reservation, but I didn’t. !
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The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. DZqG7p$u4i
(11)动词原形表示虚拟 |Z>-<]p9g
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。 2WS*c7Ct
God bless you! `dm* vd
All magnets behave the same, be they large or small. fnX[R2KZ
She’ll be sixteen years odd, com May.(come May =when May come).
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If that be so, we shall take action at once -Mr_Ao`E
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