考博英语语法：含蓄虚拟条件句 K|oacOF9
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： {6oE0;2o'
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 RQFI'@Ks
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. &5 L<i3BX
A. In spite of
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B. But for {3!E4"p
C. Because of G /v/+oX
D. As for 答案选B。 ltFq/M
But that she was afraid, she would have said no. (|d34D
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(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。 @z gdq
She listened carefully in order that she might discover exactly what he wante [ 4;Ii
D.=if she listened carefully ,she might discover exactly what he wante *|_"W+JC
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If only I had more money, I could buy a car. /cZ-tSC)o
(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： _GKB6e%
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。 oBUxKisW
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。 \u&_sBLKV
(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。 (5Sivw*mP
I thought the children when we returned home, but they were still awake. $x6$* K(F
A. were sleeping u0`% +:]0
B. would be sleeping Jdy=_88MD
C. had been sleeping rDdzxrKg{
D. would sleep选择 B。 _
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(4)形容词及其比较级 IHp_A
A more careful person would not have made so many mistakes. i55x`>]&sb
A less conscientious man wouldn’t have tried so hard to get this job done. 2m>-dqg
(5)分词短语 ~}ET?Q7t
Having known in time, we might have prevented the accident. GTv#nnC
Born ten days earlier, the boy could have seen his late father. V
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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。 tb?YLxMV
I intended I should call on you, but I was busy at that time. G4
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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. R4Rb73o
It would be easier to do it this way. 3gQPKBpc
(7)名词短语和名词+and结构 !,Zp? g)
A judicious man would not have committed suicide. +u'I0>)S
A diligent student would have worked harder. HMY@F_qY`u
(8)独立主格结构 ?r_l 8
All things considered, the price would be reasonable. =e?$ M
(9)定语从句 Z X~
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Anyone who had been in your position would have done the same. &: =$wc
A nation, which stopped working, would be dead in a fortnight. xLZd!>C
(10)情态动词完成式暗示虚拟语气： 6Fy@s
I should have called to make an airline reservation, but I didn’t. @DC)]C2
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. [@fz1{*
(11)动词原形表示虚拟 zX{ .^|
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。
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God bless you! YDmWN#
All magnets behave the same, be they large or small. IF*&%pB
She’ll be sixteen years odd, com May.(come May =when May come). M2@^bB\J
If that be so, we shall take action at once ?*r!{3T ,u
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