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： yC'hwoQ`
（1）介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 r v,NQZ
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. - 7k|6"EwM
A. In spite of B. But for C. Because of D. As for 答案选B。 fVH*dX'Jz
But that she was afraid, she would have said no. 1 ;\]D9i
（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。 &e-#|p#v
She listened carefully in order that she might discover exactly what he wanted.=if she listened carefully ,she might discover exactly what he wanted. O&#S4]Y
If only I had more money, I could buy a car. ]&C:>
（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： Mhb '^\px
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。 vo(g0Au)
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。 s- ,=e
（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。 5u;Rr 1D
I thought the children when we returned home, but they were still awake. r~$}G-g
A. were sleeping B. would be sleeping C. had been sleeping D. would sleep选择 B。 sf |oNOz
（4）形容词及其比较级 >JKnGeF
A more careful person would not have made so many mistakes. @<D' - mMt
A less conscientious man wouldn't have tried so hard to get this job done. 2^)D
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（5）分词短语 $ \Q<K@{
Having known in time, we might have prevented the accident. u}K5/hC
Born ten days earlier, the boy could have seen his late father. H GO#e
（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。 :3KO6/+
I intended I should call on you, but I was busy at that time. rc;7W:
To hear him speak French, you would take him for an Englishman. 8hTR*e! +
She would be stupid not to accept his invitation. pN\)(:"8v
It would be easier to do it this way. /=8O&1=D
（7）名词短语和名词+and结构 5f;n<EP y
A judicious man would not have committed suicide. `Y\gS UhzS
A diligent student would have worked harder. PD6MyW05%9
（8）独立主格结构 ]3n , AHA
All things considered, the price would be reasonable.
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（9）定语从句 @ v>l[6]>^
Anyone who had been in your position would have done the same. b;S6'7Jf9
A nation, which stopped working, would be dead in a fortnight. w
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（10）情态动词完成式暗示虚拟语气： {eEBrJJ eB
I should have called to make an airline reservation, but I didn't. z%OuI 8"'
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. iaY5JEV:CA
（11）动词原形表示虚拟 ZU=,f'bU
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}|TW~J=
God bless you! 7=} 6H3|&
All magnets behave the same, be they large or small. 2zz,(RA
She'll be sixteen years odd, com May.（come May =when May come）。 ? Phk~ jE
If that be so, we shall take action at once. 8EOh0
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