考博英语语法：含蓄虚拟条件句 l.r i ]e
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： )z'LXy8
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 ~ _SoP
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. /Ulv/Thl
A. In spite of 7!0~sf9A
B. But for VKW9R n9Qg
C. Because of `uz15])1<
D. As for 答案选B。 n>d@}hyv
But that she was afraid, she would have said no. :J|t! `
(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。 *.X!AJ;M=O
She listened carefully in order that she might discover exactly what he wante
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D.=if she listened carefully ,she might discover exactly what he wante cNi)[2o7
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If only I had more money, I could buy a car. Pqe{ C?7B
(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： >k gL N
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。 v s3px1Xe#
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。 0/7y&-/(
(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。 u{F^Ngy
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I thought the children when we returned home, but they were still awake. a2l\B ~n
A. were sleeping ~NYy@ l
B. would be sleeping a1lF8; [
C. had been sleeping {U:c95#.!S
D. would sleep选择 B。 Ba=P
(4)形容词及其比较级 A#:5b5R
A more careful person would not have made so many mistakes. m&EJ @,H
A less conscientious man wouldn’t have tried so hard to get this job done. ]JQ';%dne
(5)分词短语 y H\z+A|
Having known in time, we might have prevented the accident. n9.` 5BH7/
Born ten days earlier, the boy could have seen his late father. 9 |Z25_sS
(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。 %kM|Hk3d
I intended I should call on you, but I was busy at that time. m'|{AjH
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To hear him speak French, you would take him for an Englishman. u = "VJ3
She would be stupid not to accept his invitation. y/!h.[
It would be easier to do it this way. ^rz8c+ly
(7)名词短语和名词+and结构 p& Usl.
A judicious man would not have committed suicide. jD@KG
A diligent student would have worked harder. 2yYq/J
(8)独立主格结构 B^W 0Ik`m
All things considered, the price would be reasonable. wYTF:Ou^5~
(9)定语从句 ; Drt4fOxX
Anyone who had been in your position would have done the same.
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A nation, which stopped working, would be dead in a fortnight. Zj )B d* a
(10)情态动词完成式暗示虚拟语气： ?eUhHKS5
I should have called to make an airline reservation, but I didn’t. Rk #@{_
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. 0E9LZOw4T
(11)动词原形表示虚拟 s`2Hf&%aZJ
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。 W~ 6ii\
God bless you! %M+ID['K9/
All magnets behave the same, be they large or small. }nrl2yp:%
She’ll be sixteen years odd, com May.(come May =when May come). VH&6Tm1
If that be so, we shall take action at once =Z
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