考博英语语法：含蓄虚拟条件句 24@^{
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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： &R]pw`mTH
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 L@ |#Bbmx
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. FuP}Kec
A. In spite of * d*oS7
B. But for O4+F
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C. Because of j)D-BK&+
D. As for 答案选B。 hN4VlNKu
But that she was afraid, she would have said no. 'tWAu I
(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。 A|v P $zy
She listened carefully in order that she might discover exactly what he wante KVijs1q
D.=if she listened carefully ,she might discover exactly what he wante J 9@ }D B
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If only I had more money, I could buy a car. GJak.,0t
(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： ^pcRW44K
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。 7 z< Cu<
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。 {% F`%_{"
(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。 >~ &(P_<b
I thought the children when we returned home, but they were still awake. B
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A. were sleeping 8IWw jyRr
B. would be sleeping vv h.@f
C. had been sleeping 2Guvze_bU
D. would sleep选择 B。 uu3M{*}
(4)形容词及其比较级 jaqV[*440U
A more careful person would not have made so many mistakes. {bTeAfbf]
A less conscientious man wouldn’t have tried so hard to get this job done. N *1
(5)分词短语 ~u2w`H?V
Having known in time, we might have prevented the accident. e`ex]py<C
Born ten days earlier, the boy could have seen his late father. ; .0LRWcJ
(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。 (fd[P|G_]
I intended I should call on you, but I was busy at that time. V Kf6|ae
To hear him speak French, you would take him for an Englishman. ;Xh5oB\)W
She would be stupid not to accept his invitation. f
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It would be easier to do it this way. r]-+bR
(7)名词短语和名词+and结构 V g6 S/ -
A judicious man would not have committed suicide. Fo LDMx(
A diligent student would have worked harder. ~,G]glu8
(8)独立主格结构
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All things considered, the price would be reasonable. AgCs;k&IG
(9)定语从句 h {H]xe[Q
Anyone who had been in your position would have done the same. D9G0k[D,
A nation, which stopped working, would be dead in a fortnight. |DGCdB|`G
(10)情态动词完成式暗示虚拟语气： 7H?! RYrx
I should have called to make an airline reservation, but I didn’t. ZZwBOGVU
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. U-ULQ| 6U
(11)动词原形表示虚拟 a^x
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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。 CL )%p"[x
God bless you! YiO3< }Uf
All magnets behave the same, be they large or small. xT/9kM&}L
She’ll be sixteen years odd, com May.(come May =when May come). m9k2h1
If that be so, we shall take action at once J:[3;Z
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