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： RzU9]e
（1）介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 6l:uQz9
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. orOq5?3
A. In spite of B. But for C. Because of D. As for 答案选B。 %l
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But that she was afraid, she would have said no. pk`5 RDBu
（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。 +p [O|
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She listened carefully in order that she might discover exactly what he wanted.=if she listened carefully ,she might discover exactly what he wanted. k[)
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If only I had more money, I could buy a car. ,Wtgj=1!.
（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： +IMt$}7[
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。 \x:} |
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。 Sk:x.oOZ
（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。 qHgzgS7a
I thought the children when we returned home, but they were still awake. [)?9|yY"`
A. were sleeping B. would be sleeping C. had been sleeping D. would sleep选择 B。 5 `@yX[G
（4）形容词及其比较级 hYh~%^0dt
A more careful person would not have made so many mistakes. wwv+s ~(0
A less conscientious man wouldn't have tried so hard to get this job done. M)U)Sc zHO
（5）分词短语 \GV'{W+o2
Having known in time, we might have prevented the accident. ej7L-~lxQ
Born ten days earlier, the boy could have seen his late father. }u1h6rd `
（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。 ZvLI~ul(zT
I intended I should call on you, but I was busy at that time. YI;MS:Q j
To hear him speak French, you would take him for an Englishman. ]q"y P 0
She would be stupid not to accept his invitation. : sw@1
It would be easier to do it this way. pFV~
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（7）名词短语和名词+and结构 |Q b@.
A judicious man would not have committed suicide. 0x<G\ l
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A diligent student would have worked harder. e+<|
（8）独立主格结构
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All things considered, the price would be reasonable. M`8 c|*G
（9）定语从句 4CtWEq
Anyone who had been in your position would have done the same. fz?woV n
A nation, which stopped working, would be dead in a fortnight. -PU.Uw]
（10）情态动词完成式暗示虚拟语气： :6Tv4ZUvcG
I should have called to make an airline reservation, but I didn't. |f\WVGH
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. $~j9{*]5
（11）动词原形表示虚拟 )/Gi- ::
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。 I[?bM-
God bless you!
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All magnets behave the same, be they large or small. E
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She'll be sixteen years odd, com May.（come May =when May come）。 KfP g j
If that be so, we shall take action at once. !N_eZPU.v
