考博英语语法：含蓄虚拟条件句 w4OVfTlN
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： S^_na]M"4
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 MG ~^>
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. 8Hhe&B
A. In spite of p\(%bO
B. But for u+Li'Ug
C. Because of ^x q%P2s0
D. As for 答案选B。 O vFZ&S[
But that she was afraid, she would have said no. Bp}<H<@
(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 U $+rlw}
D.=if she listened carefully ,she might discover exactly what he wante X1+Wb9P
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If only I had more money, I could buy a car. kJ~^
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(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： uy B
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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。 4b 4nFRnH
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。 d=xweU<
(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。 'j}%ec1
I thought the children when we returned home, but they were still awake. -8-Aqh8|
A. were sleeping md<%Z4+
B. would be sleeping iX4/;2B=
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C. had been sleeping )2\6 Fy0S
D. would sleep选择 B。
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(4)形容词及其比较级 C[~b6 UP
A more careful person would not have made so many mistakes. o\2#o5#
A less conscientious man wouldn’t have tried so hard to get this job done. Pj+XKDV]T
(5)分词短语 &!~q#w1W-5
Having known in time, we might have prevented the accident. Zr`:
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Born ten days earlier, the boy could have seen his late father. w2Pkw'a{
(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。 ji
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I intended I should call on you, but I was busy at that time. '*W/Bett
To hear him speak French, you would take him for an Englishman. TC ^EyjD
She would be stupid not to accept his invitation. 3pm;?6i6
It would be easier to do it this way. :eDwkzlHH
(7)名词短语和名词+and结构 t + Fm?
A judicious man would not have committed suicide. Cvq2U
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A diligent student would have worked harder. ~`T3 i
(8)独立主格结构 eFbr1I
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All things considered, the price would be reasonable. ^cd+W?
(9)定语从句 WG< D+P
Anyone who had been in your position would have done the same. s4t>/.;x
A nation, which stopped working, would be dead in a fortnight. |UE&M3S
(10)情态动词完成式暗示虚拟语气： u|APx8?"o
I should have called to make an airline reservation, but I didn’t. FjVC&+c
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. a+IU<O-J?
(11)动词原形表示虚拟 *cJ GrLC
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 R">'bM:
God bless you! ABB4(_3E
All magnets behave the same, be they large or small. ,H\EPmNHK
She’ll be sixteen years odd, com May.(come May =when May come). *tO7A$LDT
If that be so, we shall take action at once T/UhZ4(V
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