考博英语语法：含蓄虚拟条件句 $M3A+6["H
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： S1^Mw;?P
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 O^="T^J
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 2C-D+zCJ
A. In spite of id[>! fQ=Y
B. But for .T$9Q Ar5
C. Because of (+Nmio
D. As for 答案选B。 a ~iEps
But that she was afraid, she would have said no. )}9}"jrDlx
(2)连词，如：so that, unless, in case, supposing, lest, provided(倘若……)，for fear that(唯恐)，in order that, on condition that, if only(要是……就好了)等。 "a`0w9Mm}
She listened carefully in order that she might discover exactly what he wante s:Ql] (/B#
D.=if she listened carefully ,she might discover exactly what he wante [\%t<aa
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If only I had more money, I could buy a car. zvs 2j"lb
(注：lest, for fear that 和 in case 引起的从句中谓语动词多用should+动词原形，但可以不用虚拟语气，而用动词的陈述语气形式。)例如： E_I6
The foreign teacher spoke slowly in case we misunderstood him. 这位外籍教师说得很慢以免我们听不懂。 Fe2 -;o
Care must be taken in using this method lest overflow should occur.在使用此法时要小心谨慎，以免会发生溢流现象。 )Jjw}}$}Y
(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。 89e. \EH
I thought the children when we returned home, but they were still awake. B>nd9Z '
A. were sleeping *x` l1o
B. would be sleeping b({b5z.A
C. had been sleeping ;8xn"G0}a
D. would sleep选择 B。 3&d
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(4)形容词及其比较级 KNyD}1
A more careful person would not have made so many mistakes. Hx/Vm`pRyX
A less conscientious man wouldn’t have tried so hard to get this job done. `2U/O .rV
(5)分词短语 W p
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Having known in time, we might have prevented the accident. X
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Born ten days earlier, the boy could have seen his late father. v+2q R0,LM
(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。 Fi=8B&j
I intended I should call on you, but I was busy at that time. MZF ;k$R
To hear him speak French, you would take him for an Englishman. ?\$/#zak
She would be stupid not to accept his invitation. L ]'CA^N
It would be easier to do it this way. aRKG)0=
(7)名词短语和名词+and结构 o
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A judicious man would not have committed suicide. o|im
A diligent student would have worked harder. <iqyDPj
(8)独立主格结构 q q{N; C
All things considered, the price would be reasonable. KD*4n'm!>
(9)定语从句 +FK<j;}C7
Anyone who had been in your position would have done the same. 9r*T3=u.S
A nation, which stopped working, would be dead in a fortnight. At|t k
(10)情态动词完成式暗示虚拟语气： kpUU
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I should have called to make an airline reservation, but I didn’t. 3"%44'
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. 6 Izv&
(11)动词原形表示虚拟 @Ec9Do>
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。 \kO_"{7n
God bless you! 
