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： }q W a E
（1）介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 :F=nb+HZ
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@8I2_
A. In spite of B. But for C. Because of D. As for 答案选B。 di2=P)3
But that she was afraid, she would have said no. `F 8
;{`a
（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。 +hgCk87%#
She listened carefully in order that she might discover exactly what he wanted.=if she listened carefully ,she might discover exactly what he wanted. 9G+rxyWMW
If only I had more money, I could buy a car. ycD.:w p\'
（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： T(^8ki
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。 @0,dyg<$>
Care must be taken in using this method lest overflow should occur.在使用此法时要小心谨慎，以免会发生溢流现象。 0f/!|c
（3）通过上下文及内在含义，句中往往有but, otherwise, unfortunately等类似转折词。 P'9io!Z-s
I thought the children when we returned home, but they were still awake. m?$G( E5
A. were sleeping B. would be sleeping C. had been sleeping D. would sleep选择 B。 g}QTZT8
（4）形容词及其比较级 }F6b ]
A more careful person would not have made so many mistakes. }tO<_f))
A less conscientious man wouldn't have tried so hard to get this job done. '<S:|$ $
（5）分词短语 .WyX/E$I^!
Having known in time, we might have prevented the accident. Vj`s_IPY
Born ten days earlier, the boy could have seen his late father. WV"QY/e3
（6）动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。 xGv,%'u\
I intended I should call on you, but I was busy at that time. j
YID44$
To hear him speak French, you would take him for an Englishman. q<[ke
She would be stupid not to accept his invitation. f ?zK "
It would be easier to do it this way. M`p TT5r
（7）名词短语和名词+and结构 LE80`t>M#
A judicious man would not have committed suicide. QYw4kD}
A diligent student would have worked harder. qZ_fQ@
（8）独立主格结构 IYg3ve`x
All things considered, the price would be reasonable. ~V"cLTj"
（9）定语从句 Qwo9>ClC
Anyone who had been in your position would have done the same. 4m[C-NB!g
A nation, which stopped working, would be dead in a fortnight. pjs9b%.
（10）情态动词完成式暗示虚拟语气： as |c`4r\O
I should have called to make an airline reservation, but I didn't. HT=Am
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. c$<O0dI
（11）动词原形表示虚拟 vJAAAS
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。 Sb9=$0%\
God bless you! 3/IWO 4?_
All magnets behave the same, be they large or small. S ]%U]
She'll be sixteen years odd, com May.（come May =when May come）。 imCl{vt(kj
If that be so, we shall take action at once. cU5"c)$'
