"The devil's agents may be of flesh and blood, may they not? There are two questions waiting for us at the outset. The one is whether any crime has been committed at all;
the second is, what is the crime and how was it committed? Of course, if Dr. Mortimer's surmise should be correct, and we are dealing with forces outside the ordinary laws of Nature, there is an end of our investigation. "
为什么 if Dr. Mortimer's surmise should be correct, and we are dealing with forces outside the ordinary laws of Nature... ?
我的意思是为什么不是 if Dr. Mortimer's surmise IS correct,为什么使用了should be ? 这里不懂should be是什么用法。麻烦老师解答一下。
谢谢!
Of course,if Dr. Mortimer's surmise should be correct, and we are dealing with forces outside the ordinary laws of Nature, there is an end of our investigation.
▲ 这里的 should 是情态动词,用在条件从句中,表示事件将来发生的可能性,意为“将要;假定要;可能要”。表示说话人对条件句中的事件不确定,是一种可能性推测用法。比 is correct 语气婉转,留有余地。
该结构的特点是:
(1)should 表示“将来的可能性推测”,不表示虚拟语气。
(2)主句也使用陈述语气。
▲《柯林斯词典》对此的解释是:You use should in conditional clauses when you are talking about things that might happen. 词典的例句是:
If you should be fired, your health and pension benefits will not be automatically cut off.
如果你被解雇,你的医疗和养老保险金不会自动中断。
Should you buy a home from Lovell, the company promises to buy it back at the same price after three years.
如果你从洛弗尔公司买房子,该公司承诺3年后以同样的价格再购回。
▲ 再举几个其他例句:
1. If you should feel worse, please call our nurses at the Triage immediately. 如果您觉得身体不佳,请立即打电话给我们的护士。
2. If it should rain tomorrow, I will stay at home. 明天下雨我就呆在家里不出去。
3. I don’t think it will happen, but if it should happen what shall we do? 我认为那件事不会发生,但如果真的发生,我们该怎么办?
4. If he should need this instrument, he may use it. 如果他万一需要这个仪器,他可以使用它。
5. If he should fail to do the work, you may ask John to go there in his place. 万一他不能做那工作,你们就叫约翰代替他。
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