考博英语语法：含蓄虚拟条件句 %SE g(<
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- X
j>
(1)介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 )Qc$UI8L
the leadership of the party, we could not be living a happy today.=If there hadn’t been the leadership of the party, we could not be living a happy today. O| 2Q-
@D
A. In spite of t& oNJq{
B. But for ,)RdXgCs
C. Because of
96BMJE'
D. As for 答案选B。 f0F$*"#G
But that she was afraid, she would have said no. cQR1v- Xt
(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。 Cr
`
0C
She listened carefully in order that she might discover exactly what he wante PX
'LN
D.=if she listened carefully ,she might discover exactly what he wante i~;8'>:|,M
D. A_.QHUjpx
If only I had more money, I could buy a car. MXy{]o_H~
(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： oxzNV&D[{`
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。 g U?)
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。 A=$oYBB
(3)通过上下文及内在含义，句中往往有but, otherwise, unfortunately等类似转折词。 (TE2t7ab|M
I thought the children when we returned home, but they were still awake. u!
i5Q
A. were sleeping ]ok>PH]
B. would be sleeping c;^ J!e
C. had been sleeping "|.(yN
D. would sleep选择 B。 lK4+8VZ
(4)形容词及其比较级 ~K9U0yp H
A more careful person would not have made so many mistakes. "YL-!P
A less conscientious man wouldn’t have tried so hard to get this job done. /Uc*7Y5j
(5)分词短语 Xo`1#6xsE
Having known in time, we might have prevented the accident.
HhL% iy1
Born ten days earlier, the boy could have seen his late father. sYXS#;|M
(6)动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。 CC\z_C*P-p
I intended I should call on you, but I was busy at that time. mw[4<vfB0a
To hear him speak French, you would take him for an Englishman. {
Fi@| '
She would be stupid not to accept his invitation. Nj0)/)<r+
It would be easier to do it this way. U3}R^W~eb
(7)名词短语和名词+and结构 %'e(3;YI
A judicious man would not have committed suicide. IMza
2
A diligent student would have worked harder. `dP+5 u!
(8)独立主格结构 sh ;uKzQ
All things considered, the price would be reasonable. W[Bu&?h$
(9)定语从句 @@wx~|%
Anyone who had been in your position would have done the same. %7msAvbk
A nation, which stopped working, would be dead in a fortnight. 2~V Im#
(10)情态动词完成式暗示虚拟语气： #ja`+w}
I should have called to make an airline reservation, but I didn’t.
#-T.@a1X
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. 7X(]r1-+ \
(11)动词原形表示虚拟 AiZFvn[n8
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。 Net)l@IB]
God bless you! 5vf t} f
All magnets behave the same, be they large or small. xXZKj
She’ll be sixteen years odd, com May.(come May =when May come). s &hA
If that be so, we shall take action at once ~lqGnNhh 7
7[g;|(G0
