考博英语语法：含蓄虚拟条件句 4H
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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： ThmN^N
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 64h$sC0z/e
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. +axpIjI'
A. In spite of z Qhc
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B. But for yM-3nwk
C. Because of * {e?%!Q
D. As for 答案选B。 G0VbW -`O
But that she was afraid, she would have said no. It8m]FN
(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。 xfJ&11 fG2
She listened carefully in order that she might discover exactly what he wante ] iL>Zxe x
D.=if she listened carefully ,she might discover exactly what he wante 4+j:]poYG{
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If only I had more money, I could buy a car. E A8>{}Z*
(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： &!pG1Fp9
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。 %SSBXWP
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。 G8E=E<Yg~
(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:8P>#L
I thought the children when we returned home, but they were still awake. d|c> Y(
A. were sleeping PC3-X['[
B. would be sleeping ahJu+y
C. had been sleeping hy?e?^
D. would sleep选择 B。 ?6[X =GeUs
(4)形容词及其比较级 nB+ e2e&
A more careful person would not have made so many mistakes. Rw9 *!<Izt
A less conscientious man wouldn’t have tried so hard to get this job done. 3+v+_I>%k
(5)分词短语 z8"(Yy7m
Having known in time, we might have prevented the accident. DKGZm<G>
Born ten days earlier, the boy could have seen his late father. (2vf
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(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。 cqyrao3;
I intended I should call on you, but I was busy at that time. jdF~0#vH
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. kj4t![o+
It would be easier to do it this way.
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(7)名词短语和名词+and结构 1*>lYd8 _
A judicious man would not have committed suicide. ~YX!49XfHh
A diligent student would have worked harder. ^:c"%<"='
(8)独立主格结构 BVt)~HZ
All things considered, the price would be reasonable. u0vq` 5 L
(9)定语从句 ct3^V M&/
Anyone who had been in your position would have done the same. <hO|:LX
A nation, which stopped working, would be dead in a fortnight. /4f4H?A -
(10)情态动词完成式暗示虚拟语气： -brn &1oJ
I should have called to make an airline reservation, but I didn’t. 3~%wA (|A
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. ,X2CV INb}
(11)动词原形表示虚拟 re `B fN
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。 u\J YxNj1
God bless you! Po=@
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All magnets behave the same, be they large or small. A+N%A] 2
She’ll be sixteen years odd, com May.(come May =when May come). )^C w
If that be so, we shall take action at once {I2qnTN_a
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