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： QT^b-~^
（1）介词或介词短语，如but for, but that, without, in case of, under more favorable condition等。 ~yw ]<{ ?
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. yt5<J
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A. In spite of B. But for C. Because of D. As for 答案选B。 {z0iWY2Xw
But that she was afraid, she would have said no. ~ +Pe=~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。 \y(3b#
She listened carefully in order that she might discover exactly what he wanted.=if she listened carefully ,she might discover exactly what he wanted. "G.X=,
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If only I had more money, I could buy a car. V@-Q&K#
（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： ,(K-;Id4
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。 at@tS>D
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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。 Y:,C_^$w;
（3）通过上下文及内在含义，句中往往有but, otherwise, unfortunately等类似转折词。 x< 2]UB`
I thought the children when we returned home, but they were still awake. w?|qKO
A. were sleeping B. would be sleeping C. had been sleeping D. would sleep选择 B。 ]Y Fjz/f
（4）形容词及其比较级 4* >j:1
A more careful person would not have made so many mistakes. H{=G\N{
A less conscientious man wouldn't have tried so hard to get this job done. "B
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（5）分词短语 37a1 O>A
Having known in time, we might have prevented the accident. 5o>`7(t`
Born ten days earlier, the boy could have seen his late father. 6LGl]jHf
（6）动词不定式短语。一般intended/meant/hoped/wished/planned 或 was/were+不定式完成式或had intended/meant/planned/hoped/wished/+不定式一般式表示虚拟。 ,&S 0/j
I intended I should call on you, but I was busy at that time. vn$=be
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To hear him speak French, you would take him for an Englishman. pInEB6L.P
She would be stupid not to accept his invitation. {%9@{Q'T.s
It would be easier to do it this way. K&NH?
（7）名词短语和名词+and结构 1 @t.J>
A judicious man would not have committed suicide. ;NdH]a {
A diligent student would have worked harder. .-tR <{
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（8）独立主格结构 !s1<)%Jt
All things considered, the price would be reasonable. sV{\IgH/x
（9）定语从句 GEf=A.WAfw
Anyone who had been in your position would have done the same. Q> y!
A nation, which stopped working, would be dead in a fortnight. DAWF
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（10）情态动词完成式暗示虚拟语气： 87l*Y|osP
I should have called to make an airline reservation, but I didn't. aaY AS "/:
The porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke. Fovah4q%V
（11）动词原形表示虚拟 ;2`6eyr
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。 |au`ph5
God bless you! @#,/6s7?
All magnets behave the same, be they large or small. g&2g>]
She'll be sixteen years odd, com May.（come May =when May come）。 U; m@
If that be so, we shall take action at once. zytN leyc
