考博英语语法：含蓄虚拟条件句 :W&\} )
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： [n"<(~
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 k8JPu"R
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. s^
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A. In spite of 5 9vGLN!L
B. But for -5[GX3h0
C. Because of 8dH|s#.4um
D. As for 答案选B。 Pla EI p
But that she was afraid, she would have said no.
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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。 0d2%CsMS"D
She listened carefully in order that she might discover exactly what he wante r:cUAe7#
D.=if she listened carefully ,she might discover exactly what he wante Qi61(lK
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If only I had more money, I could buy a car. r
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(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： * y B-N;I
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。 ^bG!k]U!2
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。 AL0Rn e N
(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。 1#(1Bs 6X
I thought the children when we returned home, but they were still awake. A
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A. were sleeping D | o@(V
B. would be sleeping + *V;
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C. had been sleeping ?MH4<7?"
D. would sleep选择 B。 1 GdD
(4)形容词及其比较级 @2gM tf?<
A more careful person would not have made so many mistakes. Pa}vmn1$
A less conscientious man wouldn’t have tried so hard to get this job done. v,&2 !Zv
(5)分词短语 p2G8 Qls
Having known in time, we might have prevented the accident. o1Ln7r.
Born ten days earlier, the boy could have seen his late father. oK6lCGM5
(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\h5nQI)
I intended I should call on you, but I was busy at that time. N6;Z\\&0^q
To hear him speak French, you would take him for an Englishman. 1RA$hW@}
She would be stupid not to accept his invitation. PS6`o
It would be easier to do it this way. O 0#Jl8
(7)名词短语和名词+and结构 kg@h R}
A judicious man would not have committed suicide. lG9ARRy(=
A diligent student would have worked harder. #=(op?]
(8)独立主格结构 Br5 Io=/wg
All things considered, the price would be reasonable. >nQ yF
(9)定语从句 / JB4 #i7
Anyone who had been in your position would have done the same. Wi^rnr'S s
A nation, which stopped working, would be dead in a fortnight. AvZ) 1(
(10)情态动词完成式暗示虚拟语气： dH|^\IQ
I should have called to make an airline reservation, but I didn’t. C`wI6!
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. v\,%)Z/
(11)动词原形表示虚拟 G4' U;
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。 ^z^e*<{WEl
God bless you! +E|ouFI
All magnets behave the same, be they large or small. CDj Dhs
She’ll be sixteen years odd, com May.(come May =when May come). % V pBB
If that be so, we shall take action at once C qK#O'\
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