考博英语语法：含蓄虚拟条件句 /9A6"Z
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： ^?2zoS#iw
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 !9{hbmF#
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. Na4O( d`
A. In spite of 1G6 \}El95
B. But for %
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C. Because of Eyz. ^)r
D. As for 答案选B。
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But that she was afraid, she would have said no. V c;g$Xr[
(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。 d'&OEGb<
She listened carefully in order that she might discover exactly what he wante C4qK52'2s
D.=if she listened carefully ,she might discover exactly what he wante P*B @it
D. *~YdL 7f)J
If only I had more money, I could buy a car. ^eyVEN
(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。 YXZP-=fB>i
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。 5|~nX8>
(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。 ll 1N`ke
I thought the children when we returned home, but they were still awake. by0K:*C
A. were sleeping ^ >&#F[aT
B. would be sleeping =4'V}p
C. had been sleeping a] 7g\rg)
D. would sleep选择 B。 :*
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(4)形容词及其比较级 cD6 ^7QF
A more careful person would not have made so many mistakes. N&p0Emg
A less conscientious man wouldn’t have tried so hard to get this job done. 7M4J{}9
(5)分词短语 :N _]*>
Having known in time, we might have prevented the accident. 2"?D aX
Born ten days earlier, the boy could have seen his late father. WA,D =)GP
(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。 A-:k4] {%P
I intended I should call on you, but I was busy at that time. 8U(o@ 1PT
To hear him speak French, you would take him for an Englishman. p&x!m}!
She would be stupid not to accept his invitation. !L9OJ1F
It would be easier to do it this way. _"B .V (
(7)名词短语和名词+and结构 #@OPi6.#!<
A judicious man would not have committed suicide. 3m!tb
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A diligent student would have worked harder. pXl[I;
(8)独立主格结构 .!KsF
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All things considered, the price would be reasonable. ~qeFSU
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(9)定语从句 4>0q0}J=5
Anyone who had been in your position would have done the same. U< G 2tn(
A nation, which stopped working, would be dead in a fortnight. J??AU0 vh
(10)情态动词完成式暗示虚拟语气： 8!Wh`n<
I should have called to make an airline reservation, but I didn’t. NT*r7_e
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. iO5g30l
(11)动词原形表示虚拟 iOURS
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。 E|f[ #+:+
God bless you! {m>yl
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All magnets behave the same, be they large or small. d6QrB"J`
She’ll be sixteen years odd, com May.(come May =when May come). YP
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If that be so, we shall take action at once NgGMsE\C}
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